General Information
Version
8.10
Revision date
2025-03-12
Product name
Trimethyl phosphite for synthesis
CAS No.
121-45-9
1.2.1 Relevant identified uses
Chemical for synthesis
Emergency telephone
+65 6890 6633, +65 6890 6639, +65 3158 1349
Icons in SDS
Company Information
company name
Sigma-Aldrich Pte Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
TechnicalService@merckgroup.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H302, H315, H319, H335
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Flammable liquids : Category 3 Acute toxicity (Oral) : Category 4 Skin corrosion/irritation : Category 2 Serious eye damage/eye irritation : Category 2A Specific target organ tox- icity - single exposure : Category 3 (Respiratory system)
Signal word
Warning
Hazard statements
H226 Flammable liquid and vapor. H302 Harmful if swallowed. H315 Causes skin irritation. H319 Causes serious eye irritation. H335 May cause respiratory irritation.
Prevention
P210 Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. P261 Avoid breathing mist or vapors. P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ eye protection/ face pro- tection.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. P337 + P313 If eye irritation persists: Get medical ad- vice/ attention. P370 + P378 In case of fire: Use dry sand, dry chemi- cal or alcohol-resistant foam to extinguish.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P403 + P235 Store in a well-ventilated place. Keep cool.
Other hazards which do not result in classification
Reacts violently with water.
