Dichlorodimethylsilane

Modify Date: 2025-08-23 17:18:24

Dichlorodimethylsilane structure	Common Name	Dichlorodimethylsilane
	CAS Number	75-78-5	Molecular Weight	129.061
	Density	1.1±0.1 g/cm3	Boiling Point	70.0±0.0 °C at 760 mmHg
	Molecular Formula	C₂H₆Cl₂Si	Melting Point	-76 °C
	MSDS	Chinese USA	Flash Point	-16.1±0.0 °C
	Symbol	GHS02, GHS05, GHS06	Signal Word	Danger

Name	Dichlorodimethylsilane
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	70.0±0.0 °C at 760 mmHg
Melting Point	-76 °C
Molecular Formula	C₂H₆Cl₂Si
Molecular Weight	129.061
Flash Point	-16.1±0.0 °C
Exact Mass	127.961578
LogP	3.18
Vapour Pressure	142.6±0.1 mmHg at 25°C
Index of Refraction	1.410
InChIKey	LIKFHECYJZWXFJ-UHFFFAOYSA-N
SMILES	C[Si](C)(Cl)Cl
Stability	Stable. Reacts violently with water and alcohols. Highly flammable. Incompatible with strong oxidizing agents, water, alcohols, caustics, ammonia.
Water Solubility	reacts

Dichlorodimethylsilane MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VV3150000

CHEMICAL NAME :: Silane, dichlorodimethyl-

CAS REGISTRY NUMBER :: 75-78-5

BEILSTEIN REFERENCE NO. :: 0605287

LAST UPDATED :: 199710

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C2-H6-Cl2-Si

MOLECULAR WEIGHT :: 129.07

WISWESSER LINE NOTATION :: G-SI-G1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5660 uL/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Liver - other changes

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,573,1993

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 930 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1219,1986

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 30,332,1948

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 3,23,1961 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83986 No. of Facilities: 54 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 170 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83986 No. of Facilities: 26 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 738 (estimated) No. of Female Employees: 69 (estimated)

Symbol	GHS02, GHS05, GHS06
Signal Word	Danger
Hazard Statements	H225-H302-H314-H331
Supplemental HS	Corrosive to the respiratory tract., Reacts violently with water.
Precautionary Statements	P210-P261-P280-P305 + P351 + P338-P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	F:Flammable
Risk Phrases	R11;R36/37/38
Safety Phrases	S60-S61-S62-S36/37-S59
RIDADR	UN 2924 3/PG 2
WGK Germany	3
RTECS	VV3150000
Packaging Group	II
Hazard Class	3
HS Code	29310095

Precursor 10
CAS#:78-62-6 Diethoxydimethy... CAS#:1112-39-6 Dimethoxy(dimet... CAS#:74-87-3 Chloromethane CAS#:7440-21-3 Silicon
CAS#:75-79-6 Methyltrichloro... CAS#:4342-61-4 1,2-dichloro-te... CAS#:98-88-4 Benzoyl chloride CAS#:1066-35-9 Chlorodimethylsilane
CAS#:107-05-1 ALLYL CHLORIDE CAS#:680-31-9 Hexamethylphosp...
DownStream 10
CAS#:107-50-6 Tetradecamethyl... CAS#:541-05-9 hexamethylcyclo... CAS#:556-67-2 Octamethylcyclo... CAS#:541-02-6 Decamethylcyclo...
CAS#:540-97-6 Dodecamethylcyc... CAS#:1078-97-3 1,4-BIS(DIMETHY... CAS#:18236-77-6 (4-Bromophenyl)... CAS#:110209-73-9 1,1-dimethyl-3,...
CAS#:141-62-8 Decamethyltetra... CAS#:107-52-8 Tetradecamethyl...

HS Code	29310095

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UNII-8TSJ92JX69

EINECS 200-901-0

Silane, dichlorodimethyl-

MFCD00000491

Dichlorodimethylsilane

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DIMETHYLDICHLOROSILANE

4-04-00-04111 (Beilstein Handbook Reference)

Dimethyl dichlorosilane

Dichloro(dimethyl)silane

Dow Corning product Z-1219

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Dichlorodimethylsilane
Price: Check
Purity: 98.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Dichlorodimethylsilane
Price: ￥138.0/500g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Dimethyldichlorosilane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Dichlorodimethylsilane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Dichlorodimethylsilane

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