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TRIMETHYL PHOSPHITE For Synthesis

Methyl phosphite; P(OMe)3; Trimethoxyphosphine

Restricted for Export (Under Scomet)  

Packings

250 ml (00250)

1000 ml (01000)

2500 ml (02500)

2500 ml (02500)

2GBA000250 2GBA001000 2GBAG02500 2GBAH02500
Article No. 0353D Grade For Synthesis
Purity 98% CAS No. 121-45-9
Molecular Formula C3H9O3P Molecular Weight 124.08
H.S. Code 2920.2300 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear colorless
Melting point/ Freezing point [°C] -78 °C Flash point [°C] 28°C
Initial boiling point [°C] 111 - 112 °C Vapour pressure [20°C] 23 hPa
Density [g/cm3] 1.052 Partition coefficient Log Pow octanol / water at 20°C log Pow: -0.67

Specifications

Appearance Clear colorless liquid Purity (by GC) Min 98.0%
Identity (IR) Passes test Density (at 25°C) 1.051-1.053 g/mL

Safety Information and Hazard Symbols

Flame Corrosion Exclamation Mark
Symbol: GHS02, GHS05, GHS07
Signal Word: Danger
UN No.: 2329
IMCO Class No.: 3
Packing Group: III
Hazardous Statement: H226-H302-H315-H319-H335
Precaution Statement: P210-P233-P261-P280-P301+P312-P302+P352-P305+P351+P338
Revision Date: 06-Apr-2026

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