1. What is Dichloromethylvinylsilane?

Dichloromethylvinylsilane is the chemical belongs to Vinyl; Dichlorosilanes; Si (Classes of Silicon Compounds); Si-Cl Compounds; Vinylsilanes, Allylsilanes. dichloro-ethenyl-methylsilane is the chemical name of Dichloromethylvinylsilane. Usually, we can use it for synthesis of silicone and silicone oil, silicone rubber and other polymers.

2. Dichloromethylvinylsilane MSDS

1) Identification of substance:

Product details: Methyl vinyl dichloro silane
Product name: Dichloromethylvinylsilane
Manufacturer/Supplier: Zhejiang Quzhou Jiancheng Silicone Co., Ltd.(Shanghai Jiancheng Industial and Trade Co, Ltd)
Web Site: http://jiancheng.lookchem.com/offerlist.html

2) Composition/Data on components:
Description: (CAS#) Dichloromethylvinylsilane (CAS# 124-70-9): 100%
EINECS Number: 204-710-3

3) Hazards identification
R 11 Highly flammable.
R 14 Reacts violently with water.
R 34 Causes burns.

Prevention:
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep container tightly closed.
Ground/bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting/ equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.
Do not breathe dust/fume/gas/mist/vapours/spray.
Wash thoroughly after handling.
Wear protective gloves/protective clothing/eye protection/face protection.

Response:
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

4) First aid measures
General information Immediately remove any clothing soiled by the product.
After inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm.
Seek immediate medical advice.
After skin contact
Immediately wash with water and soap and rinse thoroughly.
Seek immediate medical advice.
After eye contact
Rinse opened eye for several minutes under running water. Then consult a doctor.
After swallowing Seek immediate medical advice.

5) Fire fighting measures
Suitable extinguishing agents CO2, sand, extinguishing powder. Do not use water.
For safety reasons unsuitable extinguishing agents Water
Special hazards caused by the material, its products of combustion or resulting gases:
Reacts violently with water
In case of fire, the following can be released:
Carbon monoxide and carbon dioxide
Hydrogen chloride (HCl)
Silicon oxide
Protective equipment:
Wear self-contained respirator.
Wear fully protective impervious suit.

6) Accidental release measures
Person-related safety precautions:
Wear protective equipment. Keep unprotected persons away.
Ensure adequate ventilation
Keep away from ignition sources
Measures for environmental protection:
Do not allow material to be released to the environment without proper governmental permits.
Measures for cleaning/collecting:
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders,
sawdust).
Use neutralizing agent.
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
Do not flush with water or aqueous cleansing agents
Keep away from ignition sources.
Additional information:
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.

7) Handling and storage
Handling
Information for safe handling:
Handle under dry protective gas.
Keep container tightly sealed.
Store in cool, dry place in tightly closed containers.
Ensure good ventilation at the workplace.
Information about protection against explosions and fires:
Keep ignition sources away.
Protect against electrostatic charges.
Fumes can combine with air to form an explosive mixture.

8) Exposure controls and personal protection
Additional information about design of technical systems:
Properly operating chemical fume hood designed for hazardous chemicals and having an average
face velocity of at least 100 feet per minute.
Components with limit values that require monitoring at the workplace: Not required.
Additional information: No data
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be followed.
Keep away from foodstuffs, beverages and feed.
Remove all soiled and contaminated clothing immediately.
Wash hands before breaks and at the end of work.
Avoid contact with the eyes and skin.
Breathing equipment: Use suitable respirator when high concentrations are present.
Protection of hands:
Impervious gloves
Check protective gloves prior to each use for their proper condition.
Material of gloves
The selection of suitable gloves not only depends on the material, but also on quality.
Quality will vary from manufacturer to manufacturer.
Eye protection:
Safety glasses
Tightly sealed goggles
Full face protection

9) Physical and chemical properties:
General Information
Form: Liquid
Color: Colorless
Odor: Acrid
Change in condition
Melting point/Melting range: -78°C (-108°F)
Boiling point/Boiling range: 92-93°C (198-19
Sublimation temperature / start: Not determined
Flash point: 4°C (39°F)
Ignition temperature: 320°C (608°F)
Decomposition temperature: Not determined
Explosion limits:
Lower: 1.5 Vol %
Upper: 42 Vol %
Vapor pressure at 20°C (68°F): 60 hPa (45 mm H
Density at 20°C (68°F): 1.087 g/cm³

10) Stability and reactivity
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to specifications
Materials to be avoided:
Water/moisture
Oxidizing agents
Bases
Active metals
Dangerous reactions Reacts violently with water
Dangerous products of decomposition:
Carbon monoxide and carbon dioxide
Hydrogen chloride (HCl)

11) Toxicological information

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intravenous	56mg/kg (56mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03620,

12) Ecological information:
General notes:
Do not allow undiluted product or large quantities of it to reach ground water, water course
or sewage system.
Do not allow material to be released to the environment without proper governmental permits.

13) Disposal considerations
Product:
Recommendation Consult state, local or national regulations to ensure proper
Uncleaned packagings:
Recommendation: Disposal must be made according to official regulations.

14) Transport information
Hazard class: 3
Identification number: UN2985
Packing group: II

15) Regulations
Product related hazard informations:
Hazard symbols:
C Corrosive
F Highly flammable
Risk phrases:
11 Highly flammable.
14 Reacts violently with water.
34 Causes burns.
Safety phrases:
8 Keep container dry.
16 Keep away from sources of ignition - No smoking.
26 In case of contact with eyes, rinse immediately with plenty of water and seek
medical advice.
36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
45 In case of accident or if you feel unwell, seek medical advice immediately.
National regulations
All components of this product are listed in the U.S. Environmental Protection Agency Toxic
Substances Control Act Chemical substance Inventory.
All components of this product are listed on the Canadian Domestic Substances List (DSL).
Information about limitation of use: For use only by technically qualified individuals.

16) Other information:

Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees.