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Trimethyl phosphite

CAS 121-45-9 · C3H9O3P

Hazard class

Danger — Flammable, Corrosive, Irritant / harmful, Health hazard

Pictograms

FlammableCorrosiveIrritant / harmfulHealth hazard

H-statements

H226 Flammable liquid and vapour
H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation
H332 Harmful if inhaled
H335 May cause respiratory irritation
H361 Suspected of damaging fertility or the unborn child
H360 May damage fertility or the unborn child
H373 May cause damage to organs through prolonged or repeated exposure
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects
H303 May be harmful if swallowed
H313 May be harmful in contact with skin

Workplace exposure limits

NIOSH REL TWA 2 ppm (10 mg/m3)
OSHA PEL none None available
IDLH N.D.

Occupational exposure limits — NIOSH Pocket Guide.

Synonyms

204-471-5 · TRIMETHYL PHOSPHITE · Trimethylphosphite · Trimethoxyphosphine · Phosphorous acid, trimethyl ester · Methyl phosphite · Trimethylfosfit · Trimethoxyfosfin

Molecular weight

124.08 g/mol

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.