Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Tetramethyl orthocarbonate(1850-14-2)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Tetramethyl orthocarbonate
Synonyms
Dimethoxymethylal
NSC 359558
Orthocarbonic acid, tetramethyl ester
Tetramethyl orthocarbonate
CAS
1850-14-2
Formula
C5H12O4
Molecular Weight
136.15
EINECS
217-438-5
Beilstein/Gmelin
1737682

Physical and Chemical Properties

Solubility in water
110 g/L (25 C)
Melting Point
-5
Boiling Point
114
Vapor Pressure
24 (25 C)
Density
1.023 g/cm3 (25 C)
Partition Coefficient
2.56
Heat Of Vaporization
33.79 kJ/mol
Refractive Index
1.385 (20 C)

First Aid Measures

Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage
Keep tightly closed. Keep away from heat, sparks, and open flame. Store in a cool dry place.

Hazards Identification

Skin
Causes irritation.
Hazards
Emits toxic fumes under fire conditions. Vapor may travel considerable distance to source of ignition and flash back.
EC Risk Phrase
10 36/37/38
EC Safety Phrase
26 37
UN (DOT)
3272

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Exposure Effects
Vapor or mist is irritating to the eyes, mucous membranes, and upper respiratory tract. May be harmful by inhalation, ingestion, or skin absorption.

Fire Fighting Measures

Flash Point
22
Fire Fighting
Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Do not use water. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire Potential
Flammable liquid.

Accidental Release Measures

Small spills/leaks
Cover with dry-lime, sand, or soda ash. Place in covered containers using non-sparking tools and transport outdoors. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability
Moisture sensitive.
Incompatibilities
Moisture, acids and strong oxidizing agents.
Decomposition
Oxides of carbon.

Transport Information

UN Number
3272
Hazard Class
3
Packing Group
II
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