nyuuzyou/wikis huggingface dataset:
Tremolite

== Description ==
A fibrous mineral composed of calcium-magnesium silicate. Tremolite is a variety of asbestos. Deposits occur in Switzerland, Canada (Ontario, Quebec), and the U.S. (Maine, Pennsylvania, New York). The transparent to opaque stone varies in color from white to gray to a pale green to a pinkish purple. Tremolite is used as a substitute for asbestos in fire-proof products. It is also used as a filler in paints and ceramics.
[[[SliderGallery rightalign|tremoliteRS.jpg~Raman|Tremoliteitaly1.jpg~Raman|tremoliteRSFTR.jpg~Raman]]]
== Synonyms and Related Terms ==
fibrous talc; calcium magenesium silicate; tremolita (Esp.); tremolite (Port.); Tremolit (Deut.)
== Risks ==
* Inhalation of dust is toxic. 
* Carcinogenic.
==Physical and Chemical Properties==
* Monoclinic system with bladed prismatic crystals. 
* Often found in masses. 
* Resistant to acids. 
* Cleavage is perfect in two directions at angles of 56 and 124 degrees. 
* Luster = vitreous to silky. 
* Fracture = uneven. 
* Streak = colorless.
Composition 	Ca2Mg5Si8O22(OH)2
CAS 	77536-68-6
Mohs Hardness	5 - 6
Density 	2.9-3.3 g/ml
 
==Resources and Citations==
* Mineralogy Database: Tremolite
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
* Wikipedia: http://en.wikipedia.org/wiki/Tremolite (Accessed Sept. 17, 2005)
* Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
* The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
Category:Materials database
Triacetate fiber

== Description ==
A manufactured fiber produced from cellulose triacetate. Cellulose triacetate was first developed by Schutzenberger in 1865. However, this early acetate was a tough hard plastic that contained high amounts of acids and was only soluble in expensive chlorinated solvents. Thus, cellulose triacetate was not commercially viable until the mid-1950s when economical solvents became available. Triacetate is a durable fiber that is resistant to wrinkles, stains, chemicals, sunlight, insects, and moisture. It should not be dry-cleaned but is not degraded by normal laundering. It dries quickly in air or cool driers and maintains its shape without ironing. Triacetate is a crisp, firm fabric that is often used in taffetas and suitings. It is used in drip-dry clothing, tablecloths, skirts, and slacks. It is often used in wool blends to increase washability and crease retention. A surface saponification finishing process, called S-Finishing, is often applied to triacetate fabrics to minimize static. 
See also acetate fiber.
== Synonyms and Related Terms ==
triacetate fibre; Arnel® [Celanese, America]; Tricel [British Celanese]; Trilan; primary acetate; JPS [Courtaulds]; Courpleta [Courtaulds];fibra de triacetato(Esp.)
[[[SliderGallery rightalign|Arnelfiberkj1.jpg~FTIR|TriacetateTestfabrics.jpg~FTIR|arnel500m.jpg~SEM]]]
== Risks ==
Subject to static cling
== Physical and Chemical Properties ==
*Soluble in chloroform, methylene chloride, m-cresol, 90% phenol
*Insoluble in acetone
*Unaffected by dilute acids, alkalis and bleaches
*Cross section is bulbous; fiber has longitudinal striations
*Tenacity = 1.1-1.4 g/denier (dry); 0.7-0.8 g/denier (wet)
*Elongation 25-35% (dry); 30-40% (wet)
*Moisture regain = 2.5-3.5%
*CAS# = 9012-09-3
*Melting Point = 300
*Density = 1.32
== Comparisons ==
== Resources and Citations ==
* Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
* Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
* Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
* Identification of Textile Materials, The Textile Institute, Manchester, England, 1985
* J.Gordon Cook, Handbook of Textile Fibres:II Man-made Fibres, Merrow Publishing Co. , Durham, England, 1984, p.99.
* Wikipedia: http://en.wikipedia.org/wiki/Triacetate (Accessed Nov. 9, 2005)
* Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
Category:Materials database
Triacetin

== Description ==
[[[SliderGallery rightalign|triacetin.jpg~Chemical structure]]]
A colorless, oily liquid. Triacetin is used as a solvent in the manufacture of celluloid, photographic films, basic dyes, and tannins. It is also used as a plasticizers for acetate fibers.
== Synonyms and Related Terms ==
glycerol triacetate; 1,2,3-propanetriol triacetate; triacetyl glycerine; 1,2,3-propanetriol
== Risks ==
* Combustible. Flash point = 138 C 
* ThermoFisher: SDS
==Physical and Chemical Properties==
Soluble in ethanol, ether. Slightly soluble in water.
Composition 	C3H5(OCOCH3)3
CAS 	102-76-1
Melting Point 	258-260 C
Density 	1.160 g/ml
Molecular Weight	mol. wt.=218.20
Refractive Index	1.4312
==Resources and Citations==
* G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 8
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9721
* Wikipedia: http://en.wikipedia.org/wiki/Triacetin (accessed Jun 6, 2006)
Category:Materials database
Tributyl tin oxide

== Description ==
A organometallic tin compound that has been used as an algicide and fungicide. Tributyl tin oxide (TBTO) has been tried as a wood preservative for brown rot fungi and insects but it was found to leave stains. TBTO has also been used to treat algae and lichens on stone and mural paintings (Caneva et al 1991).
[[[SliderGallery rightalign|tributyl tin oxide.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
tri-n-butyl tin oxide; TBTO [Merck]; Thaltox [Wykamol, Ltd.]; hexabutyl distannoxane
== Risks ==
* Toxic. LD50=87-200 mg/kg 
* Contact may cause irritation. 
* Flash point = 232 C 
* Fisher Scientific: MSDS
==Physical and Chemical Properties==
Insoluble in water.
Composition 	C24H54OSn2
CAS 	56-35-9
Density 	1.17 g/ml
Molecular Weight	mol. wt. = 596.08
Boiling Point 	180 C
==Resources and Citations==
* G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991
Category:Materials database
Trichloroacetic acid

== Description ==
White, deliquescent crystals precipitate proteins and is used as a reagent for the detection of albumin. Trichloroacetic acid is used in the manufacture of pharmaceuticals and herbicides.
[[[SliderGallery rightalign|trichloroacetic acid.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
TCA
== Risks ==
* Toxic by ingestion and inhalation. 
* Highly corrosive on contact. 
* Decomposes to form chloroform, hydrochloric acid, carbon dioxide, carbon monoxide. 
* ThermoFisher: SDS
==Physical and Chemical Properties==
* Soluble in water, ethanol, ether. 
* pH = 1.2 (for 0.1 M solution).
Composition 	CCl3COOH
CAS 	76-03-9
Melting Point 	57-58 C
Density 	1.6298 g/ml
Molecular Weight	mol. wt. = 163.39
Boiling Point 	196-197 C
==Resources and Citations==
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9756
Category:Materials database
Trichloroethane, 1,1,1-

== Description ==
Colorless solvent. 1,1,1-trichloroethane is used to degrease metals and clean plastics. It has also been used as a pesticide and photoprocessing agent.
== Synonyms and Related Terms ==
methyl chloroform; Extrema [Schumacher]; Aerothenet TT [Dow]; Tri-Ethane [PPG]; GenKlene
== Risks ==
* Nonflammable but decomposes on heating to produce toxic fumes. 
* Skin contact causes irritation. 
* Inhalation or ingestion may cause nausea, heart arrhythmia, headaches, liver damage. 
* Sigma Aldrich: SDS
==Physical and Chemical Properties==
Soluble in ethanol, acetone, benzene, carbon tetrachloride, methanol. Insoluble in water.
Composition 	CH3CCl3
CAS 	71-55-6
Melting Point 	-32.5 C
Density 	1.325-1.337 g/ml
Molecular Weight	mol. wt.=133.4
Refractive Index	1.43838
Boiling Point 	74-75 C
==Resources and Citations==
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
* Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9766
Category:Materials database
Trichloroethane, 1,1,2-

== Description ==
Colorless, sweet-smelling liquid. 1,1,2-trichloroethane is used as a solvent for fats, oils, waxes, resins, and polymers.
[[[SliderGallery rightalign|trichloroethane, 1,1,2-.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
vinyl trichloride; beta-chloroethane; beta-trichloroethane
== Risks ==
* Nonflammable but decomposed with heat to produce toxic fumes. 
* Skin contact causes irritation. 
* Potential carcinogen. 
* Inhalation or ingestion may cause nausea, heart arrhythmia, headaches, liver damage. 
* Fisher Scientific: MSDS
==Physical and Chemical Properties==
Soluble in ethanol, ethers, esters, ketones. Insoluble in water.
Composition 	CHCl2CH2Cl
CAS 	79-00-5
Melting Point 	-36.4 C
Density 	1.4432 g/ml
Molecular Weight	mol. wt.=133.4
Refractive Index	1.4458-1.4711
Boiling Point 	113.7 C
==Resources and Citations==
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9767
Category:Materials database
Trichloroethylene

== Description ==
Colorless liquid with a chloroform odor. Trichloroethylene has been used as a solvent for fats, oils, waxes, resins, rubber, plastics, paints, and varnishes. It was widely used for degreasing and dry-cleaning, but by 1990 its usage was banned in many states.
[[[SliderGallery rightalign|trichloroethylene.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
trichloroethene; 1,1,2-trichloroethylene; ethylene trichloride; westrosol; Tri-Clene [DuPont]; Trethylene; Chlorylene;
== Risks ==
* Nonflammable but decomposes with heat to produce toxic fumes. 
* Potential carcinogen. 
* Toxic by inhalation. 
* Usage prohibited in some states. 
* Skin contact causes irritation. 
* Millipore Sigma: MSDS
==Physical and Chemical Properties==
Miscible with organic solvents. Insoluble in water.
Composition 	CHCl:CCl2
CAS 	79-01-6
Melting Point 	-73 C
Density 	1.456-1.462 g/ml
Molecular Weight	mol. wt.= 131.4
Refractive Index	1.4735
Boiling Point 	86.7 C
== Resources and Citations ==
* G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 303
* Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
* Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9769; ref. index=1.4735
* CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.475
Category:Materials database
Tricot

== Description ==
A run-resistant warp-knit fabric. Tricot knitting was developed in England in 1775 by Crane. It is now the most common type of warp-knit fabric. It is made from synthetic (nylon, acetate, polyester, rayon, etc. ) and occasionally natural (wool, silk) fibers. Tricot knits are soft with good crease resistant and elasticity. They are used for clothing and lingerie.
== Synonyms and Related Terms ==
punto (Esp.)
==Resources and Citations==
* M. Joseph, Introductory Textile Science, Holt Reinhold & Winston, Fort Worth, 1986.
Category:Materials database
Tricresyl phosphate

== Description ==
Colorless or pale yellow, oily liquid. Tricresyl phosphate is used as a solvent and plasticizer in polyvinyl chloride, cellulose nitrate, mastic and some commercial lacquer formulations. It is also used industrially as a flame retardant, a lead scavenger in gasoline, and a waterproofing agent.
[[[SliderGallery rightalign|tricresyl phosphate.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
TCP; tritolyl phosphate; phosphoric acid tris-(methylphenyl)ester; tri-o-cresyl phosphate; o-cresyl phosphate; o-tolyl phosphate; TOCP
== Risks ==
* Flame resistant but decomposes with heat to produce toxic fumes. 
* Toxic by ingestion, inhalation and skin absorption. 
* Flash point = 230C 
* ThermoFisher: https://www.fishersci.com/store/msds?partNumber=T3421&productDescription=TRICRESYL+PHOSPHATE+TECH+1L&vendorId=VN00033897&countryCode=US&language=en SDS]
==Physical and Chemical Properties==
Miscible with organic solvents and oils. Insoluble in water.
Composition 	(CH3C6H4O)3PO
CAS 	78-30-8
Melting Point 	11 C
Density 	1.162 g/ml
Molecular Weight	mol. wt. =368.4
Refractive Index	1.556
Boiling Point 	275-280 C
==Resources and Citations==
* R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
* G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 135
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9892
Category:Materials database
Tridymite

== Description ==
A naturally occurring vitreous phase of pure silica. Tridymite is found as small crystals in siliceous volcanic rocks. It is not as common as quartz, but quartz will convert to tridymite at 870C with a 16.2% increase in volume.
==Physical and Chemical Properties==
Soluble in boiling sodium carbonate solution
Composition 	SiO2
Mohs Hardness	7
Density 	2.28-2.30 g/ml
Category:Materials database
Triethanolamine

== Description ==
[[[SliderGallery rightalign|triethanolamine.jpg~Chemical structure]]]
A pale yellow, viscous liquid that lightly smells of ammonia. Triethanolamine is used as an emulsifier in nonionic detergents, and as a solvent in dry cleaning. It dissolves dried paint films, fats, casein, shellac, and wax. Ethanolamines are hygroscopic and are used as humectants to soften hides and condition wool. Ethanolamines are also used as corrosion inhibitors because they are an effective scavenger for sulfur-containing gases. Triethanolamine (TEA) is used in photographic developing baths to promote the formation of fine-grain structure. TEA is a strong base may be reacted with a non-water soluble organic materials, such as oleic acid, to produce a water-soluble soap for use as a cleaning agent, surfactant, and emulsifier. TEA soaps have been used to dissolve old, dried oil paints. TEA is nonvolatile and highly reactive; it should be thoroughly removed from any surface after use. 
See also monoethanolamine, and diethanolamine.
== Synonyms and Related Terms ==
TEA; tri(2-hydroxyethyl)amine; 2,2,2-triethanolamine; 2,2',2"-nitrilotrisethanol; tris(hydroxyethyl)amine; triethylolamine; trolamine
== Risks ==
* Combustible. Flash point = 179 C. 
* Skin irritant, strongly basic. 
* Inhalation may be toxic. 
* Cisco: SDS
==Physical and Chemical Properties==
* Soluble in water, ethanol, acetone. Slightly soluble in ether.
* Hygroscopic. Turns brown with exposure to air.
Composition 	N(CH2CH2OH)3
CAS 	102-71-6
Melting Point 	21.2-21.6 C
Density 	1.124 g/ml
Molecular Weight	mol. wt. = 149.19
Boiling Point 	335.4 C (dec)
==Resources and Citations==
* Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
* Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9798
* R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
* Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
* Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
* Conservation Materials Ltd., Catalog
Category:Materials database
Triethylamine

== Description ==
A liquid with a strong ammonia smell.
[[[SliderGallery rightalign|triethylamine.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
n,n-diethylethanamine
== Risks ==
* Flammable. Flash point = -17 C 
* Corrosive. 
* Causes irritation and burns to tissues. 
* ThermoFisher: SDS
==Physical and Chemical Properties==
Composition 	C6H15N
CAS 	121-44-8
Melting Point 	-115 C
Density 	0.7 g/ml
Molecular Weight	mol. wt.=101.19
Boiling Point 	89 C
==Resources and Citations==
* The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996
Category:Materials database
Trifarium

== Description ==
A shiny, non-tarnishing metal alloy patented by the Trifari company in 1947. The castings were filed, polished, and then plated with either gold or rhodium to produce either a "golden-toned Trifanium" or a "platinum-toned Trifanium". Trifari used the Trifarium alloy to create their costume jewelry starting in 1948 and it was used in almost all of their pieces by 1951. 
Born in Naples and son of goldsmiths, Gustavo (Gus) Trifari founded his company in New York in 1918 along with Leo Krussman. In 1925, Carl Fishel joined the firm and the companty became Trifari, Kaufman and Fishel (TKF). Early jewelry was stamped with TKF (usually before 1937), but that was later changed to TRIFARI. Gus was the original designer for the company before Alfred Philippe joined the firm in 1930. The firm bebecame famous for its invisible settings, enameled floral pins (1930s), Fruit Salads (jewel combinations in the 30s and 40s), Jelly Bellies (cabochons made from polished acrylic starting in 1940) and Crown Pins (from the late 30s to the 50s).
With the outbreak of WWII, tin, which was an important component of the casting metal used by jewelry makers, was diverted to the war effort. Many jewelry companies, including Trifari, switched to sterling silver during the war years. By 1947, they had developed Trifarium for use as the base casting metal instead of sterling. In the 1950s, Trifari switched from a smooth finish on the backs to a textured finish. All items marked with the copyright symbol were made arfter 1955.
==Resources and Citations==
* The Trifari Collection at http://trifaricollection.com/wolf.html
* Trufaux Jewels at https://www.trufauxjewels.com/jewelry-makers-s-z/#trifari
Category:Materials database
Triglyceride

== Description ==
Any naturally occurring ester of glycerol in which all three hydroxyl groups have been replaced with fatty acid ester groups. Triglycerides are the primary components in most animal and vegetable fats and oils. It is stored as an important source of energy.
== Synonyms and Related Terms ==
triglicérido (Esp.); triglycéride (Fr.); trigligeride (It)
Category:Materials database
Trimethylsilylimidazole

== Description ==
A very strong silylation reagent that reacts with hydroxyl and carboxyl groups. N-Trimethylsilylimidazole, or TMSI, is used to silylate components in resins and oils thus making them volatile for gas chromatographic analysis.
[[[SliderGallery rightalign|trimethylsilylimidazole.jpg~Chemical structure]]]
== Synonyms and Related Terms ==
N-Trimethylsilylimidazole; TMSI; 1-(trimethylsilyl)-1H-imidazole; n-(Trimethylsilyl)-imidazole
== Risks ==
* Flammable. Flash point = 5.5C 
* Inhalation and skin contact will cause irritation. 
* Fisher Scientific: MSDS
== Physical and Chemical Properties ==
Insoluble in water.
Composition 	C6H12N2Si
CAS 	18156-74-6
Density 	0.956 g/ml
Molecular Weight	mol. wt. = 140.26
Boiling Point 	40-41 C
==Resources and Citations==
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
* Website: www.piercenet.com
Category:Materials database
Trinidad asphalt

== Description ==
A soft, black solid obtained from Trinidad. Trinidad asphalt has been used as an ingredient in etching grounds and acid-proof resists (Mayer 1969).
== Synonyms and Related Terms ==
asfalto de Trinidad (Esp.)
== Physical and Chemical Properties ==
Soluble in carbon disulfide. Insoluble in water.
Mohs Hardness	1 - 2
Density 	1.40-1.42 g/ml
== Resources and Citations ==
* R. Mayer, A Dictionary of Art Terms and Techniques, Harper and Row, New York, 1969.
Category:Materials database
Trioxane

== Description ==
White, crystalline solid with a formaldehyde odor. Trioxane is a trimer of anhydrous formaldehyde in a linked ring structure. It is used as a tanning agent and as a source for formaldehyde. Pellets of trioxane are used as a solid fuel in portable heating units.
== Synonyms and Related Terms ==
sym-trioxane; 1,3,5-trioxane; 1,3,5-trioxacyclohexane; metaformaldehyde; trioxymethylene; triformal
[[[SliderGallery rightalign|trioxane.jpg~Chemical structure]]]
== Risks ==
* Fire risk. Ignites readily. 
* Burns with an odorless hot flame. 
* Fisher Scientific: MSDS
== Physical and Chemical Properties ==
Soluble in water and polar organic solvents. Insoluble in aliphatic hydrocarbons. Decomposes with acids to produce formaldehyde.
Composition 	(HCHO)3
CAS 	110-88-3
Melting Point 	62 C
Density 	1.17 g/ml
Molecular Weight	mol. wt. = 90.08
Boiling Point 	115 C
==Resources and Citations==
* G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 23
* Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
* Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
* The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9863
Category:Materials database
Tripack

== Description ==
A type of color film that contains three-color emulsion layers for simultaneous exposure. The three emulsion layers of the film contain minute oily globules with color couplers that reacted to form the colored dyes. The three color can either be placed in separate overlaying layers or integrated on a single support (called integral tripack). The first successful integral tripack, Kodachrome®, was introduced in 1935. Ektachrome® was an integral tripack color process that could be developed at home with specialized chemical kits. Most color negative film and color transparencies are tripacks.
== Synonyms and Related Terms ==
integral tripack; tri-pack (Br.); monopack
==Resources and Citations==
* Luis Nadeau, Encyclopedia of Printing, Photographic, and Photomechanical Processes, Atelier, New Brunswick, 1997
Category:Materials database