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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Chloro(chloromethyl)dimethylsilane(1719-57-9)

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
Chloro(chloromethyl)dimethylsilane
Synonyms
(Chloromethyl)chlorodimethylsilane
(Chloromethyl)dimethylchlorosilane
Dimethyl(chloromethyl)chlorosilane
LS 230
Silan CMM2
CAS
1719-57-9
Formula
C3H8Cl2Si
Molecular Weight
143.09
EINECS
217-006-6
Beilstein/Gmelin
1731933
Beilstein Reference
4-04-00-04024
EC Class
flammable, corrosive

Physical and Chemical Properties

Appearance
Clear, colorless liquid.
Solubility in water
Insoluble
Melting Point
6
Boiling Point
115
Density
1.071 g/cm3 (20 C)
Refractive Index
1.4511 (20 C)

First Aid Measures

Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Flammables-area.
Handling
Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.

Hazards Identification

Ingestion
Causes gastrointestinal tract burns. May cause nausea and vomiting.
Inhalation
Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Skin
Causes skin burns.
Eyes
Causes eye burns.
Hazards
Vapors form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff.
EC Risk Phrase
R 10 34
EC Safety Phrase
S 16 26 36/37/39 45
UN (DOT)
2985

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear chemical goggles and a face shield if splashing is possible. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Flash Point
22
Autoignition
355
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Reacts violently with water. Extinguishing media: Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER!
Upper exp. limit
51.5
Lower exp. limit
1.4
Fire Potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition.

Stability and Reactivity

Disposal Code
24
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids, moisture.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide, silicon oxide.
Combustion Products
Fire will produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2985
Hazard Class
3
Packing Group
II
HS Code
2931 00 95
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