Sodium chromate anhydrous

Modify Date: 2024-01-02 14:29:37

Sodium chromate anhydrous Structure
Sodium chromate anhydrous structure
Common Name Sodium chromate anhydrous
CAS Number 7775-11-3 Molecular Weight 161.97300
Density 1.483 Boiling Point 392ºC
Molecular Formula CrNa2O4 Melting Point 792ºC
MSDS Chinese USA Flash Point N/A
Symbol GHS05 GHS06 GHS08 GHS09
GHS05, GHS06, GHS08, GHS09
Signal Word Danger

 Names

Name sodium chromate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.483
Boiling Point 392ºC
Melting Point 792ºC
Molecular Formula CrNa2O4
Molecular Weight 161.97300
Exact Mass 161.90000
PSA 80.26000
Water Solubility 530 G/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB2955000
CHEMICAL NAME :
Chromic acid, disodium salt
CAS REGISTRY NUMBER :
7775-11-3
LAST UPDATED :
199712
DATA ITEMS CITED :
44
MOLECULAR FORMULA :
Cr-O4.2Na
MOLECULAR WEIGHT :
161.98
WISWESSER LINE NOTATION :
NA2 CR-O2-Q2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
57 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - coma
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
32 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
235 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
164 mg/kg
TOXIC EFFECTS :
Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
243 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
32 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intradermal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - muscle weakness Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
206 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
206 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intradermal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
382 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
5 mg/kg
SEX/DURATION :
male 5 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct

MUTATION DATA

TYPE OF TEST :
DNA damage
TEST SYSTEM :
Bird - chicken Embryo
REFERENCE :
CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 4,959,1983 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Confirmed human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Cr,22,1974 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 68900 No. of Facilities: 3942 (estimated) No. of Industries: 69 No. of Occupations: 48 No. of Employees: 34156 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 68900 No. of Facilities: 3561 (estimated) No. of Industries: 66 No. of Occupations: 59 No. of Employees: 80015 (estimated) No. of Female Employees: 3487 (estimated)

 Safety Information

Symbol GHS05 GHS06 GHS08 GHS09
GHS05, GHS06, GHS08, GHS09
Signal Word Danger
Hazard Statements H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
Precautionary Statements P201-P260-P273-P280-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes T+:Very toxic; N:Dangerous for the environment;
Risk Phrases R21;R25;R26;R34;R42/43;R45;R46;R48/23;R50/53;R60;R61
Safety Phrases S45-S53-S60-S61
RIDADR UN 3288
WGK Germany 3
RTECS GB2955000
Packaging Group II
Hazard Class 6.1

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 Synonyms

MFCD00003484
EINECS 231-889-5
Sodium chromate
disodium,dioxido(dioxo)chromium