Trimethyl Phosphite
Synonyms: Trimethyl phosphite, Phosphorous acid trimethyl ester
SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name
Trimethyl Phosphite
Product Form
Substance
Catalogue No.
AL4676
CAS Number
121-45-9
EC Number
204-471-5
EC Index Number
phosphonic acid esters
Grade
98%
HSN Code
29202300
Molecular Formula
C3H9O3P
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name
Trimethyl Phosphite
Catalogue No.
AL4676
Product form
Substance
CAS Number
121-45-9
EC Number
204-471-5
Grade
98%
EC Index Number
phosphonic acid esters
Chemical Formula
C3H9O3P
HSN Code
29202300
Synonyms
Trimethyl phosphite, Phosphorous acid trimethyl ester
Chemical Structure
-
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture
Used as a reagent in organic synthesis, particularly in the production of phosphonate esters.
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 Irrit. 2; Eye Dam. 1; STOT SE 3
Classification source
ECHA C&L Inventory via PubChem CID 8472 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms
Flammable, Corrosive, Irritant
Signal word
Danger
Hazard statements
H226: Flammable liquid and vapor; H302: Harmful if swallowed; H315: Causes skin irritation; H318: Causes serious eye damage; H335: May cause respiratory irritation
2.3 Other hazards
Other hazards
May cause respiratory irritation; vapors may be harmful.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name
Trimethyl Phosphite
CAS No.
121-45-9
SECTION 4: First aid measures
4.1 Description of first aid measures
First-aid measures after inhalation
If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
First-aid measures after skin contact
If this chemical contacts the skin, immediately flush the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. If irritation persists after washing, get medical attention.
First-aid measures after eye contact
If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
First-aid measures after ingestion
If this chemical has been swallowed, get medical attention immediately.
4.2 Most important symptoms and effects, both acute and delayed
Symptoms relating to use
Irritation of the eyes, skin, and respiratory tract; 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
Dry powder.
Unsuitable extinguishing media
Not specified
5.2 Special hazards arising from the substance or mixture
Special procedures
Flammable liquid; may produce toxic fumes in a fire.
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 and ventilate. Use appropriate protective equipment.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up
Personal protection: self-contained breathing apparatus. Collect leaking and spilled liquid in sealable containers as far as possible.
6.4 Reference to other sections
Reference
Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling
Avoid contact with skin and eyes. Use in a well-ventilated area and avoid inhalation of vapors.
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. Separated from oxidants and strong bases.
SECTION 8: Exposure controls/personal protection
8.2 Exposure controls
Hand protection
Handle with gloves.
Eye protection
Tightly fitting safety goggles. Faceshield (8-inch minimum).
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
Odour
Irritating, pungent, oily, pyridine-like odor
Odour threshold
No data available
pH value
No data available
Relative evaporation rate (butylacetate=1)
No data available
Melting point
-78 °C
Freezing point
No data available
Boiling point
110 °C
Flash point
28 °C (82 °F) - closed cup
Auto-ignition temperature
250 °C
Decomposition temperature
No data available
Flammability (solid, gas)
Flammable liquid
Vapour pressure
Vapor pressure = 24 torr at 25 °C (saturates in air at 32,000 ppm)
Relative vapour density at 20°C
4.3 (Air = 1)
Density
1.0518 g/cu cm at 20 °C
Solubility
Reacts (hydrolyzes) with water
Log Pow
No data available
Viscosity, kinematic
No data available
Viscosity, dynamic
1.2 mPa·s at 20°C
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
No data available
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity
Reacts with strong oxidizing agents and bases.
10.2 Chemical stability
Chemical stability
Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions
On combustion, forms toxic fumes including phosphine and phosphorus oxides. Reacts with water. This produces methanol and dimethyl phosphite.
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 bases.
10.6 Hazardous decomposition products
Hazardous decomposition products
Hazardous decomposition products formed under fire conditions - Carbon oxides, oxides of phosphorus.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity
LD50 Rat oral 2500-2890 mg/kg; LD50 Rat oral 1600 mg/kg; LD50 Rabbit dermal 2600 mg/kg
Skin corrosion/irritation
H315: Causes skin irritation
Serious eye damage/irritation
H318: Causes serious eye damage
Respiratory or skin sensitisation
Not classified (based on available data)
Germ cell mutagenicity
Not classified (based on available data)
Carcinogenicity
Not classified (based on available data)
Specific target organ toxicity (single exposure)
H335: May cause respiratory irritation
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 2329
UN-No. (IMDG)
UN 2329
UN-No. (IATA)
UN 2329
UN-No. (ADN)
UN 2329
UN-No. (RID)
UN 2329
14.2 UN proper shipping name
Proper Shipping Name (ADR)
Trimethyl phosphite
Proper Shipping Name (IMDG)
Trimethyl phosphite
Proper Shipping Name (IATA)
Trimethyl phosphite
Proper Shipping Name (ADN)
Trimethyl phosphite
Proper Shipping Name (RID)
Trimethyl 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.