Chromium potassium sulfate dodecahydrate
Names
[ CAS No. ]:
7788-99-0
[ Name ]:
Chromium potassium sulfate dodecahydrate
[Synonym ]:
EINECS 233-401-6
MFCD00149917
potassium,chromium(3+),disulfate,dodecahydrate
Chromium(3+) potassium sulfate hydrate (1:1:2:12)
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)
MSDS
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
Articles
J. Neurosci. 29 , 716-26, (2009)
Behavioral and physiological studies show that neuronal interactions among the glomeruli in the insect antennal lobe (AL) take place during the processing of odor information. These interactions are m...
Morphological study on pigmented cells in the horse testis.J. Vet. Med. Sci. 61(10) , 1183-6, (1999)
One of the most attractive characteristics of a horse testis is the change of the weight during development. As the testicular weight changes and the number of Leydig cells decreases, pigments appear ...
[Determination of the relative RNA-content of liver cell nuclei with gallocyanin-chromealum-staining (author's transl)].Acta Histochem. 69(2) , 307-13, (1981)
The relative RNA-content of liver cell nuclei from histological slides of rat liver was determined by automatical microscope picture analysis. The slides were stained with Gallocyanin-Chromealum. Exti...