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Tetramethyl orthosilicate

CAS 681-84-5 · C4H12O4Si
Hazard class
Danger — Flammable, Corrosive, Toxic, Irritant / harmful, Health hazard
Pictograms
FlammableCorrosiveToxicIrritant / harmfulHealth hazard
H-statements
  • H226 Flammable liquid and vapour
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H330 Fatal if inhaled
  • H335 May cause respiratory irritation
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H225 Highly flammable liquid and vapour
  • H371 May cause damage to organs
  • H373 May cause damage to organs through prolonged or repeated exposure
Workplace exposure limits
NIOSH REL TWA 1 ppm (6 mg/m3)
OSHA PEL none None available
IDLH N.D.
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
211-656-4 · Tetramethoxysilane · Tetramethyl orthosilicate · TETRAMETHYL SILICATE · Methyl silicate · TMOS · Methyl Silicate 39 · Silane, tetramethoxy-
Molecular weight
152.22 g/mol
Browse similar
Flammable · Corrosive · Toxic · Irritant / harmful · Health hazard
Data source
Aggregated classification PubChem · REACH-registered
GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. Browse categories · API · Console
Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.