silicic acid

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Names

[ CAS No. ]:
1343-98-2

[ Name ]:
silicic acid

[Synonym ]:
MFCD00054122
Silicic acid
EINECS 215-683-2

Chemical & Physical Properties

[ Density]:
0.230 g/cm3

[ Molecular Formula ]:
H2O3Si

[ Molecular Weight ]:
78.09960

[ Exact Mass ]:
77.97730

[ PSA ]:
57.53000

[ Stability ]:
Stable.

[ Water Solubility ]:
Soluble in water

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV8853000
CHEMICAL NAME :
Silicic acid (polyortho)
CAS REGISTRY NUMBER :
1343-98-2
LAST UPDATED :
199710

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
680 mg/m3/6H/2W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - changes in lung weight Related to Chronic Data - death
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 29,341,1991
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
35 mg/m3/6H/13W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Lungs, Thorax, or Respiration - changes in lung weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 29,341,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80288 No. of Facilities: 478 (estimated) No. of Industries: 20 No. of Occupations: 16 No. of Employees: 3828 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80288 No. of Facilities: 6758 (estimated) No. of Industries: 58 No. of Occupations: 70 No. of Employees: 111636 (estimated) No. of Female Employees: 28296 (estimated)

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37

[ Safety Phrases ]:
S22-S26-S36-S24/25

[ WGK Germany ]:
3

[ RTECS ]:
VV8853000

[ HS Code ]:
2842909090

Customs

[ HS Code ]: 2842909090

Related Compounds

  • SILICIC ACID
  • silicic acid
  • silicic acid
  • disilicic acid
  • disilicic acid
  • Polysilicic acid
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  • N-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)-4-(thiazol-2-yloxy)benzamide
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