California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 7 - General Industry Safety Orders › Group 16 - Control of Hazardous Substances › Article 109 - Hazardous Substances and Processes › Appendix A to Section 5189 - List of Acutely Hazardous Chemicals, Toxics and Reactives (Mandatory)

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
CHEMICAL
								  name
CAS
*
TQ
**
Acetaldehyde
75-07-0
2500
Acrolein
								  (2-Propenal)
107-02-8
150
Acrylyl
								  Chloride
814-68-6
250
Allyl Chloride
107-05-1
1000
Allylamine
107-11-9
1000
Alkylaluminums
Varies
5000
Ammonia,
								  Anhydrous
7664-41-7
10000
Ammonia solutions ( > 44% ammonia by
								  weight
7664-41-7
15000
Ammonium
								  Perchlorate
7790-98-9
7500
Ammonium
								  Permanganate
7787-36-2
7500
Arsine (also called Arsenic
								  Hydride)
7784-42-1
100
Bis(Chloromethyl)
								  Ether
542-88-1
100
Boron
								  Trichloride
10294-34-5
2500
Boron
								  Trifluoride
7637-07-2
250
Bromine
7726-95-6
1500
Bromine
								  Chloride
13863-41-7
1500
Bromine
								  Pentafluoride
7789-30-2
2500
Bromine
								  Trifluoride
7787-71-5
15000
3-Bromopropyne (also called Propargyl
								  Bromide)
106-96-7
100
Butyl Hydroperoxide
								  (Tertiary)
75-91-2
5000
Butyl Perbenzoate
								  (Tertiary)
614-45-9
7500
Carbonyl Chloride (see
								  Phosgene)
75-44-5
100
Carbonyl
								  Fluoride
353-50-4
2500
Cellulose Nitrate (concentration > 12.6%
								  nitrogen)
9004-70-0
2500
Chlorine
7782-50-5
1500
Chlorine
								  Dioxide
10049-04-4
1000
Chlorine
								  Pentrafluoride
13637-63-3
1000
Chlorine
								  Trifluoride
7790-91-2
1000
Chlorodiethylaluminum (also called
								  Diethylaluminum Chloride)
96-10-6
5000
1-Chloro-2,4-Dinitrobenzene
97-00-7
5000
Chloromethyl Methyl
								  Ether
107-30-2
500
Chloropicrin
76-06-2
500
Chloropicrin and Methyl Bromide
								  mixture
None
1500
Chloropicrin and Methyl Chloride
								  mixture
None
1500
Cumene
								  Hydroperoxide
80-15-9
5000
Cyanogen
460-19-5
2500
Cyanogen
								  Chloride
506-77-4
500
Cyanuric
								  Fluoride
675-14-9
100
Diacetyl Peroxide (Concentration >
								  70%)
110-22-5
5000
Diazomethane
334-88-3
500
Dibenzoyl
								  Peroxide
94-36-0
7500
Diborane
19287-45-7
100
Dibutyl Peroxide
								  (Tertiary)
110-05-4
5000
Dichloro
								  Acetylene
7572-29-4
250
Dichlorosilane
4109-96-0
2500
Diethylzinc
557-20-0
10000
Diisopropyl
								  Peroxydicarbonate
105-64-6
7500
Dilaluroyl
								  Peroxide
105-74-8
7500
Dimethyldichlorosilane
75-78-5
1000
Dimethylhydrazine,
								  1,1-
57-14-7
1000
Dimethylamine,
								  Anhydrous
124-40-3
2500
2,4-Dinitroaniline
97-02-9
5000
Ethyl Methyl Ketone Peroxide (also Methyl Ethyl
								  Ketone Peroxide; concentration > 60%)
1338-23-4
5000
Ethyl Nitrite
109-95-5
5000
Ethylamine
75-04-7
7500
Ethylene
								  Fluorohydrin
371-62-0
100
Ethylene Oxide
75-21-8
5000
Ethyleneimine
151-56-4
1000
Fluorine
7782-41-4
1000
Formaldehyde
								  (Formalin)
50-00-0
1000
Furan
110-00-9
500
Hexafluoroacetone
684-16-2
5000
Hydrochloric Acid,
								  Anhydrous
7647-01-0
500
Hydrofluoric Acid,
								  Anhydrous
7664-39-3
1000
Hydrogen
								  Bromide
10035-10-6
5000
Hydrogen
								  Chloride
7647-01-0
5000
Hydrogen Cyanide,
								  Anhydrous
74-90-8
1000
Hydrogen
								  Fluoride
7664-39-3
1000
Hydrogen Peroxide (52% by weight or
								  greater
7722-84-1
7500
Hydrogen
								  Selenide
7783-07-5
150
Hydrogen
								  Sulfide
7783-06-4
1500
Hydroxylamine
7803-49-8
2500
Iron,
								  Pentacarbonyl
13463-40-6
250
Isopropylamine
75-31-0
5000
Ketene
463-51-4
100
Methacrylaldehyde
78-85-3
1000
Methacryloyl
								  Chloride
920-46-7
150
Methacryloyloxyethyl
								  Isocyanate
30674-80-7
100
Methyl
								  Acrylonitrile
126-98-7
250
Methylamine,
								  Anhydrous
74-89-5
1000
Methyl Bromide
74-83-9
2500
Methyl
								  Chloride
74-87-3
15000
Methyl
								  Chloroformate
79-22-1
500
Methyl Ethyl Ketone Peroxide (concentration >
								  60%)
1338-23-4
5000
Methyl
								  Fluoroacetate
453-18-9
100
Methyl
								  Fluorosulfate
421-20-5
100
Methyl Hydrazine
60-34-4
100
Methyl Iodide
74-88-4
7500
Methyl
								  Isocyanate
624-83-9
250
Methyl
								  Mercaptan
74-93-1
5000
Methyl Vinyl
								  Ketone
78-94-4
100
Methyltrichlorosilane
75-79-6
500
Nickel Carbonly (Nickel
								  Tetracarbonyl)
13463-39-3
150
Nitric Acid (94.5% by weight or
								  greater)
7697-37-2
500
Nitric Oxide
10102-43-9
250
Nitroaniline (para
								  Nitroaniline
100-01-6
5000
Nitromethane
75-52-5
2500
Nitrogen
								  Dioxide
10102-44-0
250
Nitrogen Oxides (NO; NO 2; N204;
								  N203)
10102-44-0
250
Nitrogen Tetroxide (also called Nitrogen
								  Peroxide)
10544-72-6
250
Nitrogen
								  Trifluoride
7783-54-2
5000
Nitrogen
								  Trioxide
10544-73-7
250
Oleum (65% to 80% by weight; also called Fuming
								  Sulfuric Acid)
8014-95-7
1000
Osmium
								  Tetroxide
20816-12-0
100
Oxygen Difluoride (Fluorine
								  Monoxide)
7783-41-7
100
Ozone
10028-15-6
100
Pentaborane
19624-22-7
100
Peracetic Acid (concentration > 60% Acetic
								  Acid; also called Peroxyacetic Acid)
79-21-0
1000
Perchloric Acid (concentration > 60% by
								  weight)
7601-90-3
5000
Perchloromethyl
								  Mercaptan
594-42-3
150
Perchloryl
								  Fluoride
7616-94-6
5000
Peroxyacetic Acid (concentration > 60% Acetic
								  Acid; also called Peracetic Acid)
79-21-0
1000
Phosgene (also called Carbonyl
								  Chloride)
75-44-5
100
Phosphine (Hydrogen
								  Phosphide)
7803-51-2
100
Phosphorus Oxychloride (also called Phosphoryl
								  Chloride)
10025-87-3
1000
Phosphorus
								  Trichloride
7719-12-2
1000
Phosphoryl Chloride (also called Phosphorus
								  Oxychloride)
10025-87-3
1000
Propargyl
								  Bromide
106-96-7
100
Propyl Nitrate
627-3-4
2500
Sarin
107-44-8
100
Selenium
								  Hexafluoride
7783-79-1
1000
Stibine (Antimony
								  Hydride)
7803-52-3
500
Sulfur Dioxide
								  (liquid)
7446-09-5
1000
Sulfur
								  Pentafluoride
5714-22-7
250
Sulfur
								  Tetrafluoride
7783-60-0
250
Sulfur Trioxide (also called Sulfuric
								  Anhydride)
7446-11-9
1000
Sulfuric Anhydride (also called Sulfur
								  Trioxide)
7446-11-9
1000
Tellurium
								  Hexafluoride
7783-80-4
250
Tetrafluoroethylene
116-14-3
5000
Tetrafluorohydrazine
10036-47-2
5000
Tetramethyl
								  Lead
75-74-1
1000
Thionyl
								  Chloride
7719-09-7
250
Trichloro (chloromethyl)
								  Silane
1558-25-4
100
Trichloro (dichlorophenyl)
								  Silane
27137-85-5
2500
Trichlorosilane
10025-78-2
5000
Trifluorochloroethylene
79-38-9
10000
Trimethyoxysilane
2487-90-3
1500
* Chemical Abstract Service Number.
** Threshold Quantity in Pounds (Amount necessary to be
						  covered by this standard).
Note: Authority cited: Section
							 142.3, Labor
							 Code. Reference: Sections
							 142.3 and
							 7856, Labor
							 Code.