Phosphotungstic acid 44-hydrate
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Names
[ CAS No. ]:
12067-99-1
[ Name ]:
Phosphotungstic acid 44-hydrate
[Synonym ]:
Phosphotungstic acid 44-hydrate
MFCD00041964
oxotungsten,hydroxide,phosphate
EINECS 235-087-6
Chemical & Physical Properties
[ Melting Point ]:
89ºC
[ Molecular Formula ]:
H3O40PW12
[ Molecular Weight ]:
2880.05000
[ Exact Mass ]:
2881.20000
[ PSA ]:
702.09000
[ Storage condition ]:
Refrigerator (+4°C)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TH5650000
- CHEMICAL NAME :
- Phosphotungstic acid
- CAS REGISTRY NUMBER :
- 12067-99-1
- LAST UPDATED :
- 199701
- WISWESSER LINE NOTATION :
- .WO..O3 24 &..H3.P-O4 2 &QH48
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3300 mg/kg
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 42,417,1977 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/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 - 81065 No. of Facilities: 867 (estimated) No. of Industries: 7 No. of Occupations: 8 No. of Employees: 8320 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81065 No. of Facilities: 1413 (estimated) No. of Industries: 5 No. of Occupations: 14 No. of Employees: 26369 (estimated) No. of Female Employees: 19198 (estimated)
Safety Information
[ Hazard Codes ]:
C:Corrosive;
[ Risk Phrases ]:
R34
[ Safety Phrases ]:
26-36/37/39-45-24/25
[ RIDADR ]:
UN 3264 8/PG 2
[ WGK Germany ]:
3
[ Packaging Group ]:
III
[ Hazard Class ]:
5.1
[ HS Code ]:
29159080
Customs
[ HS Code ]: 29159080