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Silicic acid (H2SiO3) cas no:7699-41-4

Synonyms: Silicicacidmeshforchromatography; metasilicic acid; SILICA GEL

Identification
NameSilicic acid (H2SiO3)
CAS7699-41-4
SynonymsSilicicacidmeshforchromatography; metasilicic acid; SILICA GEL
EINECS(EC#)215-683-2
Molecular FormulaH2O3Si
Molecular Weight78.09958
Chemical Properties
AppearanceWhite amorphous powder or bulk
Safety Data

Hazard Xi
Risk R36/37
Safety

An inhalation hazard. Poison by intravenous route. An eye irritant and nuisance dust. Questionable carcinogen. Mutation data reported. See also SILICA, AMORPHOUS FUME; SILICA, AMORPHOUS FUMED; SILICA, AMORPHOUS HYDRATED; SILICA, CRYSTALLINE; SILICA, CRYSTALLINE–CRISTOBALITE; SILICA, CRYSTALLINE–QUARTZ; SILICA, CRYSTALLINE–TRIDYMITE; SILICA FLOUR; SILICA, FUSED and SILICATES.  

Safty informations about Silicic acid (7699-41-4):
Hazard Codes:Xi
Risk Statements:36/37
 36/37
Safety Statements:22-26-36
 22(Do not breathe dust)
 26(In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
 36(Wear suitable protective clothing)
WGK Germany:3
RTECS:VV8853000


Toxicity
1.    

eye-rbt 8300 µg/48H

    JANCA2    Journal of the Association of Official Analytical Chemists. 56 (1973),905.
2.    

dnd-uns:lyms 500 mmol/L

    MUREAV    Mutation Research. 208 (1988),27.
3.    

ivn-mus LDLo:234 mg/kg

    AMIHAB    AMA Archives of Industrial Health. 17 (1958),204.

supplier list

Finetech Industry limited.
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Boc Sciences
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HEBEI CUI FENG IMPORT&EXPORT TRADE CO.,LTD
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Shanghai UCHEM Inc.
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Boc Sciences
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Address: 45-16 Ramsey Road Shirley, NY 11967, USA
Jinan Haohua Industry Co., Ltd.
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Capot Chemical Co., Ltd.
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Hangzhou Dayangchem Co., Ltd.
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Zhejiang Haiqiang Chemical Co.,Ltd.
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HUTONG GLOBAL CO.,LTD
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Shanghai Forever Synthesis Co.,Ltd.
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QINGDAO XINGYUANTENG CHEMICALS CO.,LTD
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Changsha Huakang Biotechnology Development Co.,Ltd
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Samsung Corporation
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Thor Specialities (UK) Ltd
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