Triethyl phosphite

Synonyms: Triethyl phosphite, Phosphorous acid triethyl ester

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Triethyl phosphite
Product Form Substance
Catalogue No. AL4659
CAS Number 122-52-1
EC Number 204-552-5
EC Index Number phosphite esters
Grade For Synthesis
HSN Code 29209099
Molecular Formula C6H15O3P
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name Triethyl phosphite
Catalogue No. AL4659
Product form Substance
CAS Number 122-52-1
EC Number 204-552-5
Grade For Synthesis
EC Index Number phosphite esters
Chemical Formula C6H15O3P
HSN Code 29209099
Synonyms Triethyl phosphite, Phosphorous acid triethyl ester
Chemical Structure -
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture Reagent in organic synthesis, particularly in the Arbuzov reaction.
Uses advised against Not specified
1.3 Details of the supplier of the safety data sheet
Company identification Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 Emergency Contact Details
Phone / e-Mail Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
SECTION 2: Hazards identification
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 Flam. Liq. 3; Acute Tox. 4; Skin Sens. 1; Aquatic Chronic 3
Classification source ECHA C&L Inventory via PubChem CID 31215 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms Flammable, Irritant
Signal word Warning
Hazard statements H226: Flammable liquid and vapor; H302: Harmful if swallowed; H317: May cause an allergic skin reaction; H412: Harmful to aquatic life with long lasting effects
2.3 Other hazards
Other hazards May cause respiratory irritation. Prolonged exposure may cause skin and eye irritation.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Triethyl phosphite
CAS No. 122-52-1
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation CALL FOR MEDICAL ASSISTANCE. Remove to fresh air. Treat symptomatically.
First-aid measures after skin contact Flush affected area with soap and plenty of water.
First-aid measures after eye contact Flush with water for 15 minutes.
First-aid measures after ingestion If swallowed and victim is conscious, have victim drink 1-2 glasses of milk or water and induce vomiting. If unconscious, do nothing except keep victim warm.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use Irritation of the respiratory tract, skin, and eyes; headache; dizziness.
4.3 Indication of any immediate medical attention and special treatment needed
General information Treat symptomatically. Show this safety data sheet to the treating physician.
SECTION 5: Fire-fighting measures
5.1 Extinguishing media
Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
Unsuitable extinguishing media Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures Flammable liquid. Vapors may form explosive mixtures with air.
5.3 Advice for firefighters
Protection during firefighting Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
6.1.1 For non-emergency personnel
Emergency procedures Evacuate area. Remove all sources of ignition. Ventilate area.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Ventilation. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling Use in a well-ventilated area. Avoid contact with skin and eyes. Keep away from heat and ignition sources.
Hygiene measures Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 Conditions for safe storage, including any incompatibilities
Storage conditions Fireproof. Dry. Separated from acids and strong oxidants. See Chemical Dangers.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection Handle with gloves.
Eye protection Face shield and safety glasses. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin and body protection Wear suitable protective clothing
Respiratory protection Use appropriate respiratory protection if ventilation is inadequate.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Liquid
Colour Colorless to pale yellow
Odour Pungent odor
Odour threshold No data available
pH value No data available
Relative evaporation rate (butylacetate=1) No data available
Melting point -112 °C
Freezing point No data available
Boiling point 157.9 °C
Flash point 54 °C (129 °F) - closed cup
Auto-ignition temperature 250 °C
Decomposition temperature No data available
Flammability (solid, gas) Flammable liquid
Vapour pressure 1.95 mm Hg at 20 °C
Relative vapour density at 20°C No data available
Density 0.9629 g at 20 °C
Solubility Soluble in alcohol, ether
Log Pow No data available
Viscosity, kinematic No data available
Viscosity, dynamic 1.5 mPa·s at 20°C
Explosive properties No data available
Oxidising properties No data available
Explosive limits No data available
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity Stable under normal conditions. Reacts with strong oxidizing agents.
10.2 Chemical stability
Chemical stability Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions Decomposes on heating and on burning. This produces toxic fumes including phosphorus oxides. Reacts with water, acids and strong oxidants.
10.4 Conditions to avoid
Conditions to avoid Avoid contact with incompatible materials and excessive heat.
10.5 Incompatible materials
Incompatible materials Strong oxidizers, strong acids, and bases.
10.6 Hazardous decomposition products
Hazardous decomposition products The substance decomposes on heating or on burning producing toxic fumes including phosphorous oxides.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity LD50 Rabbit (female) dermal >3,000 mg/kg bw; LD50 Rabbit (male) dermal 2,800 mg/kg bw; LD50 Rat (male) inhalation 11,600 mg/cu m (6 hr)
Skin corrosion/irritation Not classified (based on available data)
Serious eye damage/irritation Not classified (based on available data)
Respiratory or skin sensitisation H317: May cause an allergic skin reaction
Germ cell mutagenicity Not classified (based on available data)
Carcinogenicity Not classified (based on available data)
Specific target organ toxicity (single exposure) Not classified (based on available data)
Specific target organ toxicity (repeated exposure) Not classified (based on available data)
SECTION 12: Ecological information
12.1 Toxicity
Toxicity information Not specified
12.2 Persistence - degradability
Persistence - degradability Not specified
12.3 Bioaccumulative potential
Bioaccumulative potential Not specified
12.4 Mobility in soil
Mobility in soil Not specified
12.6 Other adverse effects
Environmental precautions Not specified
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
14.1 UN number
UN-No. (ADR) UN 2323
UN-No. (IMDG) UN 2323
UN-No. (IATA) UN 2323
UN-No. (ADN) UN 2323
UN-No. (RID) UN 2323
14.2 UN proper shipping name
Proper Shipping Name (ADR) Triethyl phosphite
Proper Shipping Name (IMDG) Triethyl phosphite
Proper Shipping Name (IATA) Triethyl phosphite
Proper Shipping Name (ADN) Triethyl phosphite
Proper Shipping Name (RID) Triethyl phosphite
14.3 Transport hazard class(es)
Transport hazard class(es) 3
14.4 Packing group
Packing group (ADR) III
Packing group (IMDG) III
Packing group (IATA) III
Packing group (ADN) III
Packing group (RID) III
14.5 Environmental hazards
Dangerous for the environment Not specified
Marine pollutant Not specified
Other information No supplementary information available
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations Not specified
SECTION 16: Other Information
Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.