Note: Ingredients listed on restricted chemical lists
EC/CAS
122-52-1
Name of the chemical
phosphorous acid, triethyl ester
Concentration
<=100
General Information
Version
8
Revision date
2025-12-18
Product name
Triethyl phosphite
Product Synonyms
Phosphorous acid triethyl ester
CAS No.
122-52-1
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific Company
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H317, H319, H361, H371
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Warning
Hazard statements
Flammable liquid and vapor May cause an allergic skin reaction Causes serious eye irritation Suspected of damaging fertility or the unborn child May cause damage to organs
Prevention
Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wash face, hands and any exposed skin thoroughly after handling Contaminated work clothing should not be allowed out of the workplace Do not breathe dust/fume/gas/mist/vapors/spray Do not eat, drink or smoke when using this product Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting equipment Wear protective gloves/protective clothing/eye protection/face protection Take action to prevent static discharges Use non-sparking tools
Response
IF exposed or concerned: Get medical attention/advice Skin If skin irritation or rash occurs: Get medical advice/attention Take off contaminated clothing and wash before reuse IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Eyes IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention Fire In case of fire: Use CO2, dry chemical, or foam to extinguish
Storage
Store locked up Store in a well-ventilated place. Keep cool
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
Other hazards
Stench.
2.1 Classification of the substance or mixture
Category 3 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Reproductive Toxicity Category 2 Specific target organ toxicity (single exposure) Category 2 Label Elements