OSHA Occupational Chemical Database

This chemical inventory is OSHA's premier one-stop shop for occupational chemical information. It compiles information from several government agencies and organizations. Information available on the pages includes:

  • Chemical identification and physical properties
  • Exposure limits
  • Sampling information, and
  • Additional resources.

OSHA Standards and Exposure Limits

Employers must comply with a number of standards where employees are potentially exposed to chemical hazards. These include OSHA's Permissible Exposure Limits PELs for about 400 substances, which can be found as follows:

  • General Industry: 29 CFR 1910.1000, Toxic and Hazardous Substances
    • Air contaminants and Z1, Z2, Z3 tables
    • 29 CFR 1910.1001 - 29 CFR 1910.1018
    • 29 CFR 1910.1025- 29 CFR 1910.1053
  • Construction: 29 CFR 1926.1101, Toxic and Hazardous Substances
    • 29 CFR 1926.1101 – 29 CFR 1926.1153
  • Maritime: 29 CFR 1915.1000, Toxic and Hazardous Substances
    • Substance-specific standards

OSHA's PELs are included in the "Exposure Limits" table for individual chemicals in the database. In addition, OSHA has separate substance-specific standards, which can be found in the "Notes" section of the "Exposure Limits" table.

Other OSHA standards that generally apply to hazardous substances include the Hazard Communication standard (1910.1200) and the Respiratory Protection standard (1910.134). Employers may also need to provide personal protective clothing (1910.132) where there is a potential hazard from skin contact with chemicals, or eye and face protection to guard against chemical splashes (1910.133).

 

The results below may be sorted by the chemical name, CAS # or analyte code by clicking on the column heading.
74
Chemical Name CAS # Analyte code (IMIS #) Synonyms
76-11-9
  • 2337

2,2-difluoro-1,1,1,2-tetrachloroethane; Freon(R) 112a; Halocarbon 112a; Refrigerant 112a

76-12-0
  • 2339
 

Refrigerant 112; Halocarbon 112; 1,2-difluoro-1,1,2,2-tetrachloroethane; Freon112

1,1,2,2-TETRACHLOROETHANE 79-34-5
  • 2340

acetylene tetrachloride; tetrachloroethane; 1,1-dichloro-2,2-dichloroethane

76-13-1
  • 2485

Chlorofluorocarbon-113; CFC-113; Freon113; Genetron113; Halocarbon 113; Refrigerant 113; TTE

79-00-5
  • 2495

ethane trichloride; β-trichloroethane; vinyl trichloride

96-18-4
  • 2510

allyl trichloride; glycerol trichlorohydrin; glyceryl trichlorohydrin; trichlorohydrin

1,2,4-TRICHLOROBENZENE 120-82-1
  • 2481
 

unsym-trichlorobenzene; 1,2,4-trichlorobenzol

1,3,5-TRIGLYCIDYL-S-TRIAZINETRIONE 2451-62-9
  • T405

TGIC, triglycidyl isocyanurate, 1,3,5-triglycidyl isocyanurate, TGT, glycidyl isocyanurate, tris(epoxypropyl)isocyanurate, s-triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2,3-epoxypropyl)-s-triazine-2,4,6(1H,3H,5H)-trione. [1,3,5-triglycidyl isocyanurate (TGIC) has two stereoisomers, α and β]

2,2,4-TRIMETHYL-1,3-PENTANEDIOL DIISOBUTYRATE 6846-50-0
  • T350

Kodaflex TX1B; isobutyric acid,1-isopropyl-2,2-dimethyltrimethylene ester; propanoic acid, 2-methyl-, 2,2-dimethyl-1-(1-methylethyl)-1,3-propanediyl ester; 2,2,4-trimethylpentanediol-1,3-diisobutyrate

93-76-5
  • 2324

2,4,5-T

118-96-7
  • 2530

1-methyl-2,4,6-trinitrobenzene; TNT; trinitrotoluene; sym-trinitrotoluene; trinitrotoluol

584-84-9
  • 2470
 

2,4-diisocyanate-1-methylbenzene; TDI; 2,4-TDI; 2,4-toluene diisocyanate

2,6-TOLUENE-DIISOCYANATE (TDI) 91-08-7
  • T177
 

2,6-toluene diisocyanate; 2,6-TDI; 2,6-diisocyanato-1-methylbenzene; 2,6-diisocyanatotoluene

P-TERT-BUTYLPHENOL 98-54-4
  • B109

4-tert-butyl phenol; butylphen; 4-(1,1-dimethylethyl) phenol

98-51-1
  • 0485

benzenyl chloride

P-TOLUIDINE 106-49-0
  • T105

4-aminotoluene; 4-methylaniline; 4-methylbenzenamine; 4-toluidine; tolylamine

14807-96-6
  • 9031; request using analyte code 9020

hydrous magnesium silicate; steatite talc

14807-96-6
  • 9030 (resp); request using analyte code 9130

non-fibrous talc; non-asbestiform talc

7440-25-7
  • 2325 (total); request using analyte code 9135

tantalum metal: Tantalum-181. Synonyms of other tantalum dusts (including oxide dusts) vary depending upon the specific compound.

13494-80-9
  • 2330

aurum paradoxum; metallum problematum

3383-96-8
  • 0005 (total); request using analyte code 9135
  • T195 (resp); request using analyte code 9130

Abate; O,O,O'O'-tetramethyl O,O'-thiodi-p-phenylene phosphorothioate; phosphorothioic acid, O,O-dimethyl ester, O,O-diester with 4,4'-thiodiphenol

TERBUFOS 13071-79-9

phosphorodithioic acid S-[[1.1-dimethylethyl)thio]methyl]-o,o-diethyl ester; Counter 15G

TEREPHTHALIC ACID 100-21-0

1,4-benzenedicarboxylic acid; 4-carboxybenzoic acid; 1.4-dicarboxybenzene; p-phthalic acid; p-benzenedicarboxylic acid; p-carboxybenzoic acid; p-dicarboxybenzene; p-pthalic acid

26140-60-3

o(m or p)-diphenylbenzene; 1,2(3 or 4)-diphenylbenzene; 2(3 or 4)-phenylbiphenyl; 1,2(3 or 4)-Terphenyl; o(m or p)-terphenyl; o(m or p)-triphenyl

TERT-AMYL METHYL ETHER (TAME) 994-05-8

2-methoxy-2methyl-butane; methyl tert-pentyl ether; 1,1-dimethylpropyl methyl ether

540-88-5
  • 0442
  • 0442

tert-butyl ester of acetic acid

75-65-0
  • 0462

2-methyl-2-propanol; trimethylcarbinol; TBA

1189-85-1
  • 0689

di-tert-butyl ester of chromic acid

TERT-BUTYL METHYL ETHER (METHYL TERT-BUTYL ETHER) 1634-04-4

methyl-t-butyl Ether; methoxy-2-methyl propane; MTBE

TESTOSTERONE 58-22-0
  • T413

andro; D4-androsten-17b-ol-3-one; (17b)-17-hydroxyandrost-4-en-3-one; Mertestate; Oreton; testolin; Testro AQ; virosterone

1335-88-2

Halowax; Nibren wax; Seekay wax

TETRACHLOROPHENOL 25167-83-3
  • 2355

2,3,4,5-tetrachlorophenol

3689-24-5

Bladafum; Dithion; Sulfotep; tetraethyl dithionopyrophosphate; tetraethyl dithiopyrophosphate; Thiotepp; TEDP

78-00-2
  • 2360

lead tetraethyl; TEL; tetraethylplumbane

107-49-3

ethyl pyrophosphate; TEPP; Tetron

597-64-8
  • R268

tetraethyltin; tetraethylstannane; stannane, tetraethyl-

TETRAFLUOROETHYLENE 116-14-3

ethylene tetrafluoride; perfluoroethylene; perfluoroethene; tetrafluoroethene

109-99-9
  • 2390

diethylene oxide; 1,4-epoxybutane; tetramethylene oxide; THF

TETRAHYDROFURFURYL ACRYLATE 2399-48-6
  • T420

2-propenoic acid (tetrahydro-2-furanyl)methyl ester; 2-propenoic acid, tetrahydrofurfuryl ester

TETRAKIS (METHYLENE(3,5-DI-TERT-BUTYL-4-HYDROXYHYDROCINNAMATE)) METHANE & ITS SALTS 6683-19-8
  • T210

pentaerythritol tetrakis (3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)

75-74-1
  • 2370

lead tetramethyl; tetramethylplumbane; TML

509-14-8
  • 2395

Tetan; TNM

7440-28-0
  • 2420

Synonyms vary depending upon the specific soluble thallium compound.

THIOGLYCOLIC ACID 68-11-1

Acetyl mercaptan; Mercaptoacetate; Mercaptoacetic acid; 2-Mercaptoacetic acid; 2-Thioglycolic acid; Thiovanic acid

THIONYL CHLORIDE 7719-09-7

sulfinyl chloride; sulfur chloride oxide; sulfurous dichloride; sulfurous oxychloride; thionyl dichloride

THIOPHANATE-METHYL 23564-05-8
  • D347

cercobin methyl; enovit methyl; neotopsin; sigma; trevin; Zyban; dimethyl ester 4,4'-o-phenylenebis(3-thioallophanic) acid

THIOUREA 62-56-6
  • T109

thiocarbamide; isothiourea; sulourea; 2-thiourea

THIRAM
137-26-8
  • 2427

bis(dimethylthiocarbamoyl) disulfide; tetramethylthiuram disulfide

21651-19-4
  • 2432

stannous oxide (Synonyms: SnO; tin(II) oxide); 18282-10-5 (stannic oxide (Synonyms: SnO₂; tin(IV) Oxide))

7440-31-5
  • 2430

metallic tin; tin flake; tin metal; tin powder