Cesium dihydrogen arsenate
Names
[ CAS No. ]:
16331-85-4
[ Name ]:
Cesium dihydrogen arsenate
[Synonym ]:
CDA
MFCD00143942
CDA (frequency multiplier)
Arsenic acid cesium salt
Arsenic acid (H3AsO4),monocesium salt (8CI,9CI)
Cesium dihydrogen arsenate (CsH2AsO4)
Cesiumhydrogen arsenate (CsH2AsO4)
Cesium dihydrogen arsenate
Cesium arsenate(CsH2AsO4) (6CI)
Chemical & Physical Properties
[ Molecular Formula ]:
AsCsH2O4
[ Molecular Weight ]:
273.84100
[ Exact Mass ]:
273.82200
[ PSA ]:
80.59000
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EV5790000
- CHEMICAL NAME :
- Caesium arsenate
- CAS REGISTRY NUMBER :
- 16331-85-4
- LAST UPDATED :
- 199610
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- As-H3-O4.Cs
- MOLECULAR WEIGHT :
- 274.86
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 :
- 335 mg/kg
- TOXIC EFFECTS :
- Behavioral - wakefulness Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 116 mg/kg
- TOXIC EFFECTS :
- Behavioral - wakefulness Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 13400 ug/m3/4H/4W-I
- TOXIC EFFECTS :
- Brain and Coverings - recordings from specific areas of CNS Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in calcium
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(1),29,1977
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4960 ug/m3/4H/17W-I
- TOXIC EFFECTS :
- Vascular - BP lowering not characterized in autonomic section Liver - liver function tests impaired Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 4600 ug/m3/24H
- SEX/DURATION :
- female 1-22 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- REFERENCE :
- VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 430 ug/m3/24H
- SEX/DURATION :
- female 1-22 day(s) after conception
- REFERENCE :
- VAMNAQ Vestnik Akademii Meditsinskikh Nauk SSSR. Journal of the Academy of Medical Sciences of the USSR. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1946- Volume(issue)/page/year: (8),10,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ARSENIC, INORGANIC-air:CA CL 0.002 mg(As)/m3/15M 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
Safety Information
[ Risk Phrases ]:
R23/25;R50/53
[ Safety Phrases ]:
S28;S45;S60;S61
[ RIDADR ]:
UN 1557
[ Packaging Group ]:
II
[ Hazard Class ]:
6.1
[ HS Code ]:
2931900090
Customs
[ HS Code ]: 2931900090
[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%