C2H6Cl2Si
129.06 g/mol
Industrial ChemicalDanger
Dichlorodimethylsilane
CAS75-78-5EC200-901-0
Category
Industrial Chemical
Compound Class
Organometallic
Primary Use
Production of silicone products and polymers
Dichlorodimethylsilane is an organosilicon compound primarily used as an intermediate in the production of silicone polymers and products. It serves as a key building block for manufacturing silicone fluids, rubbers, and elastomers.
Production of silicone products and polymersIntermediate for linear siloxane polymers and silicone elastomersHigh-purity derivatization reagent for gas chromatography
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Methyltrichlorosilane
CAS75-79-6
Intermediate for silicones production
ReferenceSame Category
Neopentyl alcohol
CAS75-84-3
organic synthesis and solvent
ReferenceSame Category
Amylene hydrate
CAS75-85-4
Solvent and frothing agent
ReferenceSame Category
Acetone cyanohydrin
CAS75-86-5
intermediate for methyl methacrylate production
Safety Reference
Danger
H225Highly flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H331Toxic if inhaled
H371May cause damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Dichlorodimethylsilane (CAS 75-78-5) is 2931.90.
HS code (international, 6-digit)
2931.90
EU CN code (8-digit)
2931 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
dichloro(dimethyl)silane
InChIKey
LIKFHECYJZWXFJ-UHFFFAOYSA-N
SMILES
C[Si](C)(Cl)Cl
Synonyms (24)
- DMDCS
- DMDCS; Dimethyldichlorsilane
- Dichlorodimethylsilane
- Dichlorodimethylsilicon
- Dimethyl-dichlorsilan
- Dimethyl-dichlorsilan [Czech]
- Dimethyldichlorsilane
- Dimethylsilane dichloride
- Inerton AW-DMCS
- Inerton dw-dmc
- Repel-Silan
- Silane, dichlorodimethyl-
- dichlorodimehylsilane
- dimethyidichlorosilane
- dimethyl dichlorosilane
- dimethyldichlorosilan
- dimethylsilyl dichloride
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