# ATTACHMENT 7: Methylal MSDS

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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 01/14/2013 Revision date: 06/19/2013 Supersedes: 01/14/2013 Version: 1.1

02/07/2014 EN (English US) Page 1 

## SECTION 1: Identification of the substance/mixture and of the company/undertaking

1.1. Product identifier
Product form : Substance Trade name : Methylal Pure Grade IUPAC name : dimethoxymethane
CAS No : 109-87-5
Product code : 9900
Formula : C3H8O2
Chemical structure :

Synonyms : dimethoxymethane
1.2. Relevant identified uses of the substance or mixture and uses advised against
1.3. Details of the supplier of the safety data sheet
LAMBIOTTE & Cie S.A. Grand Rue 79 Marbehan, 6724 - Belgium T +32(0)63410080 - F +32(0)63411698 sds@lambiotte.com - www.lambiotte.com
1.4. Emergency telephone number Emergency number : (800)424-9300 (CHEMTREC)



## SECTION 2: Hazards identification

2.1. Classification of the substance or mixture
Classification (GHS-US) Flam. Liq. 2 H225

2.2. Label elements
GHS-US labeling Hazard pictograms (GHS-US) :

GHS02 Signal word (GHS-US) : Danger Hazard statements (GHS-US) : H225 - Highly flammable liquid and vapor Precautionary statements (GHS-US) : P210 - Keep away from heat, sparks, open flames, hot surfaces. - No smoking P233 - Keep container tightly closed P240 - Ground/bond container and receiving equipment P241 - Use explosion-proof lighting, ventilating, electrical equipment P242 - Use only non-sparking tools P243 - Take precautionary measures against static discharge P280 - Wear eye protection, protective clothing, protective gloves P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower P370+P378 - In case of fire: Use alcohol resistant foam for extinction P403+P235 - Store in a well-ventilated place. Keep cool P501 - Dispose of contents/container to Collection point

2.3. Other hazards
No additional information available 2.4. Unknown acute toxicity (GHS-US)
No data available



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 2/9 

## SECTION 3: Composition/information on ingredients

3.1. Substance Substance type : Mono-constituent Name : Methylal pure
CAS No : 109-87-5

Name Product identifier % Classification (GHS-US) Methylal (Main constituent) (CAS No) 109-87-5 99,5 - 100 Flam. Liq. 2, H225

AQUA (Impurity) (CAS No) 7732-18-5 0 - 0,5 Not classified

Methanol (Impurity) (CAS No) 67-56-1 0 - 0,005 Flam. Liq. 2, H225 STOT SE 2, H371 Formaldehyde (CAS No) 50-00-0 <= 0,0005 Not classified Full text of H-phrases: see section 16

3.2. Mixture Not applicable


## SECTION 4: First aid measures
4.1. Description of first aid measures First-aid measures general : Take victim to fresh air, in a quiet place and if necessary take medical advice. First-aid measures after inhalation : Obtain medical attention if breathing difficulty persists. First-aid measures after skin contact : Wash skin thoroughly with mild soap and water. First-aid measures after eye contact : Obtain emergency medical attention if pain, blinking, tears or redness persist. Wash imm ediately with lots of water. First-aid measures after ingestion : Seek medical advice. If a large quantity is swallowed, immediately administer lukewarm wat er (1/2 liter) only if victim is completely conscious/alert and induce vomiting.
4.2. Most important symptoms and effects, both acute and delayed
No additional information available
4.3. Indication of any immediate medical attention and special treatment needed
No additional information available 

## SECTION 5: Firefighting measures
5.1. Extinguishing media suitable extinguishing media : Foam. AFFF. Water spray. Unsuitable extinguishing media : Do not use a heavy water stream. Dry powder.
5.2. Special hazards arising from the substance or mixture Fire hazard : Highly flammable. Explosion hazard : Not applicable. Reactivity : Strong acids and oxidants.
5.3. Advice for firefighters Precautionary measures fire : No naked flames, sparks, and do not smoke. Firefighting instructions : Do not enter fire area without proper protective equipment, including respiratory protection. Protection during firefighting : Use water spray or fog for cooling exposed containers. Other information : Exercise caution when fighting any chemical fire.



## SECTION 6: Accidental release measures
6.1. Personal precautions, protective equipment and emergency procedures
General measures : Do not smoke.

6.1.1. For non-emergency personnel Emergency procedures : Keep public away.

6.1.2. For emergency responders Protective equipment : Equip cleanup crew with proper protection. Respiratory protection equipment may be necessary.
6.2. Environmental precautions Clean up any spills as soon as possible, using an absorbent material to collect it. Prevent entry to sewers and public waters.



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 3/9 6.3. Methods and material for containment and cleaning up For containment : Use suitable disposal containers. Methods for cleaning up : Clean up any spills as soon as possible, using an absorbent material to collect it.

6.4. Reference to other sections
No additional information available 

## SECTION 7: Handling and storage 7.1. Precautions for safe handling Additional hazards when processed : No naked lights. No smoking. Precautions for safe handling : Ground well. Use only non-sparking tools. Use special care to avoid static electric charges. Hygiene measures : Do not eat, drink or smoke during use.
7.2. Conditions for safe storage, including any incompatibilities Technical measures : Provide local exhaust or general room ventilation to minimize mist and/or vapor concentrations. Storage conditions : Keep container closed when not in use. Incompatible products : Strong acids and oxidants. Incompatible materials : Heat sources. Storage temperature : -30 / 40 °C
7.3. Specific end use(s)
No additional information available 

## SECTION 8: Exposure controls/personal protection
8.1. Control parameters

Methylal Pure Grade (109-87-5) USA OSHA OSHA PEL (TWA) (mg/m3) 3100 mg/m3 8h [29 CFR 1910.1000 (7/1/90]**peer reviewed**(ToxNET)
USA OSHA OSHA PEL (TWA) (ppm) 1000 ppm 8h [29 CFR 1910.1000 (7/1/90]**peer reviewed**(ToxNET)

Threshold Limit Values: 8 hr Time Weighted Avg (TWA): 1000 ppm. [American Conference of Governmental Industrial Hygienists TLVs and BEIs. Threshold Limit Values for Chemical Substances and Ph ysical Agents and Biological Exposure Indices. Cincinnati, OH, 2008, p. 39] **QC REVIEWED**

Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 minutes during a work day, and under no circumstances should they exceed 5 times the TLV-TWA, provided that the TLV-TWA is not exceeded. [American Conference of Governmental Industrial Hygienists TLVs and BEIs. Threshold Limit Values for Chemical Substances and Ph ysical Agents and Biological Exposure Indices. Cincinnati, OH, 2008, p. 5] **QC REVIEWED**

NIOSH Recommendations: 10 hr Time-Weighted avg: 1,000 ppm (3,100 mg/cu m). [NIOSH. NIOSH Pocket Guide to Chemical Hazards. DHHS (NIOSH) Publication No. 94-116. Washington, D.C.: U.S. Government Printing Office, June 1994., p. 198] **QC REVIEWED**

8.2. Exposure controls Hand protection : In case of repeated or prolonged contact wear gloves. Eye protection : Safety glasses. Skin and body protection : Wear suitable protective clothing. Respiratory protection : Wear respiratory protection approved by NIOSH. Industrial hygiene : Either local exhaust or general room ventilation is usually required. Emergency eye wash fountains and safety showers should be available in the immediate vicinity of any potential exposure. 

## SECTION 9: Physical and chemical properties 9.1. Information on basic physical and chemical properties Physical state : Liquid Appearance : Clear. Molecular mass : 76,08 g/mol
Color : colorless.



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 4/9 Odor : characteristic.
Odor threshold : No data available pH : Not applicable Relative evaporation rate (butyl acetate=1) : 0,11 (DIN 53170) Melting point : - 104,8 °C Freezing point : No data available Boiling point : 42,3 °C Flash point :  -30 °C (ASTM D 93) Self ignition temperature : 260 °C Decomposition temperature : No data available Flammability (solid, gas) : No data available Vapor pressure : 40 kPa Relative vapor density at 20 °C : 2,6 Relative density : 0,861 20°C Density : 0,861 g/cm3 20°C Solubility : Water: 330 g/l 20°C Log Pow : 0 20°c Log Kow : No data available Viscosity, kinematic : 37,1 mm2/s Viscosity, dynamic : No data available Explosive properties : Not classified. Oxidizing properties : Not classified. Explosive limits : 2,2 / 19,9 vol % 71 / 630 g/m3

9.2. Other information
No additional information available 

## SECTION 10: Stability and reactivity
10.1. Reactivity Strong acids and oxidants.
10.2. Chemical stability
Stable under normal conditions.
10.3. Possibility of hazardous reactions May form flammable vapor-air mixture.

10.4. Conditions to avoid No flames, no sparks. Eliminate all sources of ignition. Overheating.
10.5. Incompatible materials Strong acids and oxidants.
10.6. Hazardous decomposition products
Stable under normal conditions. 

## SECTION 11: Toxicological information 11.1. Information on toxicological effects

Acute toxicity : Not classified

Methylal Pure Grade ( \f )109-87-5 LD50 oral rat 6423 mg/kg
LD50 dermal rabbit  5000 mg/kg ATE (oral) 6423,000 mg/kg
Methanol (67-56-1) LD50 oral rat 1187 / 2769 mg/kg LD50 dermal rabbit 17100 mg/kg



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 5/9

Methanol (67-56-1) LC50 inhalation rat (mg/l) 128,2 mg/l/4h ATE (oral) 100,000 mg/kg body weight ATE (dermal) 300,000 mg/kg body weight ATE (vapors) 128,200 mg/l/4h ATE (dust, mist) 0,500 mg/l/4h Additional information Toxic by inhalation, in contact with skin and if swallowed
Methylal (109-87-5) LD50 oral rat 6423 mg/kg LD50 dermal rabbit 5000 mg/kg ATE (oral) 6423,000 mg/kg ATE (dermal) 5000,000 mg/kg
Formaldehyde (50-00-0) LD50 oral rat 800 mg/kg Solution 2% - 4% LD50 dermal rabbit 270 mg/kg LC50 inhalation rat (mg/l) 588 mg/m3 4 h ATE (oral) 100,000 mg/kg ATE (dermal) 270,000 mg/kg ATE (dust, mist) 0,500 mg/l/4h
Skin corrosion/irritation : Not classified pH: Not applicable Serious eye damage/irritation : Not classified pH: Not applicable Respiratory or skin sensitization : Not classified Germ cell mutagenicity : Not classified Carcinogenicity : Not classified
Reproductive toxicity : Not classified Specific target organ toxicity (single exposure) : Not classified

Methanol (67-56-1) NOAEL (oral,rat) 466 / 529 mg/kg body weight Specific target organ toxicity (repeated exposure) : Not classified

Methylal Pure Grade (109-87-5) LOAEL (inhalation,rat,vapour,90 days) 1000 mg/l/6h/day NOAEL (inhalation,rat,vapour,90 days) 2000 mg/l/6h/day
Methylal (109-87-5) LOAEL (inhalation,rat,vapour,90 days) 1000 mg/l/6h/day NOAEL (inhalation,rat,vapour,90 days) 2000 mg/l/6h/day Aspiration hazard : Not classified


## SECTION 12: Ecological information
12.1. Toxicity Ecology - water : WGK = 1

Methylal Pure Grade (109-87-5) LC50 fish 1 1000 (  1000) mg/l EC50 Daphnia 1 1200 (  1200) mg/l 48 h EC50 other aquatic organisms 1 10 (  10) g/l Pseudomonas putida LC50 fish 2 6,99 g/l Pimephales promelas TLM fish 1 1000 g/l LC50 96h
Methanol (67-56-1) LC50 fish 1 15400 mg/l LC50 96h fish



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 6/9

Methanol (67-56-1) EC50 other aquatic organisms 1 22000 mg/l EC 50 (Algae) / 96 h : EC50 Daphnia 2 10000 (  10000) mg/l EC50 48h NOEC chronic fish 7900 mg/l
Methylal (109-87-5) LC50 fish 1 1000 (  1000) mg/l LC50 96h EC50 Daphnia 1 1200 (  1200) mg/l 48 h EC50 other aquatic organisms 1 10 (  10) g/l Pseudomonas putida LC50 fish 2 6,99 g/l Pimephales promelas
Formaldehyde (50-00-0) LC50 fish 1 24,8 / 100 mg/l EC50 Daphnia 1 42 mg/l EC50 48h
12.2. Persistence and degradability

Methylal Pure Grade (109-87-5) Persistence and degradability No additional information available.
Methanol (67-56-1) Persistence and degradability Readily biodegradable. Biodegradation 83 / 91 %
12.3. Bioaccumulative potential

Methylal Pure Grade (109-87-5) Log Pow 0 20°c Log Kow No data available
Methanol (67-56-1) Log Pow - 0,77 Bioaccumulative potential Weak.
Methylal (109-87-5) Log Pow 0 20°C
12.4. Mobility in soil

Methylal Pure Grade (109-87-5) Mobility in soil No additional information available
Methanol (67-56-1) Log Koc 0,13 / 1

12.5. Other adverse effects
No additional information available 

## SECTION 13: Disposal considerations

13.1. Waste treatment methods Regional legislation (waste) : Dispose of this material and its container to hazardous or special waste collection point. Waste treatment methods : Dispose in a safe manner in accordance with local/national regulations.


## SECTION 14: Transport information

In accordance with DOT Transport document description : UN1234, 3, II UN-No.(DOT) : 1234
DOT NA no. : UN1234 DOT Proper Shipping Name : Methylal Department of Transportation (DOT) Hazard Classes : 3 - Class 3 - Flammable and combustible liquid 49 CFR 173.120



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 7/9 Hazard labels (DOT) : 3 - Flammable liquid

Packing group (DOT) : II - Medium Danger DOT Special Provisions (49 CFR 172.102) : IB2 - Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Comp osite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 C (1.1 bar at 122 F), or 130 kPa at 55 C (1.3 bar at 131 F) are authorized. IP8 - Ammonia solutions may be transported in rigid or composite plastic IBCs (31H1, 31H2 and 31HZ1) that have successfully passed, without leakage or permanent deformation, the hydrostatic test specified in 178.814 of this subchapter at a test pressure that is not less than 1.5 times the vapor pressure of the contents at 55 C (131 F). T7 - 4 178.274(d)(2) Normal............. 178.275(d)(3) TP2 - a. The maximum degree of filling must not exceed the degree of filling determined by the following: (image) Where: tr is the maximum mean bulk temperature during transport, tf is the temperature in degrees celsius of the liquid during filling, and a is the mean coefficient of cubical expansion of the liquid between the mean temperature of the liquid during filling (tf) and the maximum mean bulk temperature during transportation (tr) both in degrees celsius. b. For liquids transported under ambient conditions may be calculated using the formula: (image) Where: d15 and d50 are the densities (in units of mass per unit volume) of the liquid at 15 C (59 F) and 50 C (122 F), respectively. DOT Packaging Exceptions (49 CFR 173.xxx) : None DOT Packaging Non Bulk (49 CFR 173.xxx) : 202 DOT Packaging Bulk (49 CFR 173.xxx) : 242 DOT Quantity Limitations Passenger aircraft/rail (49 CFR 173.27) : 5 L

DOT Quantity Limitations Cargo aircraft only (49 CFR 175.75) : 60 L

DOT Vessel Stowage Location : E - The material may be stowed ‘‘on deck’’ or ‘‘under deck’’ on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on passenger vessels in which the limiting number of passengers is exceeded.

Additional information Other information : No supplementary information available.

ADR Transport document description : UN 1234 (METHYLAL), 3, II, (D/E) Packing group (ADR) : II Class (ADR) : 3 - Flammable liquid Hazard identification number (Kemler No.) : 33 Classification code (ADR) : F1 Danger labels (ADR) : 3 - Flammable liquids

Orange plates :

Tunnel restriction code : D/E LQ : 1L Excepted quantities (ADR) : E2

Transport by sea UN-No. (IMDG) : 1234 Class (IMDG) : 3 - Flammable liquids



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 8/9 Packing group (IMDG) : II - substances presenting medium danger EmS-No. (1) : F-E EmS-No. (2) : S-D

Air transport UN-No.(IATA) : 1234 Class (IATA) : 3 - Flammable Liquids Instruction "passenger" (ICAO) : 353


## SECTION 15: Regulatory information 15.1. US Federal regulations
No additional information available

15.2. International regulations

CANADA
No additional information available

EU-Regulations
No additional information available

Classification according to Regulation (EC) No. 1272/2008 [CLP] Flam. Liq. 2 H225 Full text of H-phrases: see section 16

Classification according to Directive 67/548/EEC or 1999/45/EC F; R11 Full text of R-phrases: see section 16
15.2.2. National regulations
No additional information available

15.3. US State regulations
No additional information available



## SECTION 16: Other information

Full text of H-phrases: see section 16:

------ Flam. Liq. 2 Flammable liquids Category 2

------ STOT SE 2 Specific target organ toxicity (single exposure) Category 2

------ H225 Highly flammable liquid and vapor

------ H371 May cause damage to organs

NFPA health hazard : 0 - Exposure under fire conditions would offer no hazard beyond that of ordinary combustible materials. NFPA fire hazard : 3 - Liquids and solids that can be ignited under almost all ambient conditions. NFPA reactivity : 0 - Normally stable, even under fire exposure conditions, and are not reactive with water.



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# Methylal Pure Grade Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations

02/07/2014 EN (English US) 9/9 HMIS III Rating Health : 0 Minimal Hazard - No significant risk to health Flammability : 3 Serious Hazard Physical : 0 Minimal Hazard

SDS US (GHS HazCom 2012)

This information is based on our current knowledge and is intended to describe the product for the purposes of health, safety a nd environmental requirements only. It should not therefore be construed as guaranteeing any specific property of the product



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