Chromium potassium sulfate dodecahydrate

Modify Date: 2024-01-04 12:11:30

Chromium potassium sulfate dodecahydrate Structure
Chromium potassium sulfate dodecahydrate structure
Common Name Chromium potassium sulfate dodecahydrate
CAS Number 7788-99-0 Molecular Weight 499.403
Density 1.83 Boiling Point 330ºC at 760 mmHg
Molecular Formula H24CrKO20S2 Melting Point 89 °C(lit.)
MSDS Chinese USA Flash Point N/A

 Names

Name Chromium potassium sulfate dodecahydrate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.83
Boiling Point 330ºC at 760 mmHg
Melting Point 89 °C(lit.)
Molecular Formula H24CrKO20S2
Molecular Weight 499.403
Exact Mass 498.934448
PSA 288.04000
Stability Stable. Incompatible with magnesium, aluminium.
Water Solubility 24 g/100 mL (15 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB6850000
CAS REGISTRY NUMBER :
7788-99-0
LAST UPDATED :
199712
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
O8-S2.Cr.K.12H2-O
MOLECULAR WEIGHT :
499.41

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
112 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
135 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :
DNA repair
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
125 ug/well
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 133,161,1984 *** REVIEWS *** ACGIH TLV-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: TLV/BEI,1997 ACGIH TLV-Not classifiable as a 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 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 1 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):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82893 No. of Facilities: 26 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 391 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82893 No. of Facilities: 518 (estimated) No. of Industries: 7 No. of Occupations: 6 No. of Employees: 9625 (estimated) No. of Female Employees: 119 (estimated)

 Safety Information

Hazard Codes Xi:Irritant;
Risk Phrases R36/38
Safety Phrases S22-S24/25-S37/39-S26
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS GB6850000
HS Code 2833309000

 Customs

HS Code 2833309000

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 Synonyms

EINECS 233-401-6
MFCD00149917
potassium,chromium(3+),disulfate,dodecahydrate
Chromium(3+) potassium sulfate hydrate (1:1:2:12)
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