1,2-Dichloro-1,1,2,2-tetramethyldisilane (HCID 78045)

Names & identifiers

Preferred name: 1,2-Dichloro-1,1,2,2-tetramethyldisilane
IUPAC: chloro-[chloro(dimethyl)silyl]-dimethylsilane
English name: 1,2-Dichlorotetramethyldisilane
Molecular formula: C4H12Cl2Si2
Molecular weight: 187.22

Names & synonyms

1,2-Dichloro-1,1,2,2-tetramethyldisilaneDisilane, 1,2-dichloro-1,1,2,2-tetramethyl-1,2-Dichloro-tetramethyldisilaneEINECS 224-400-11,1,2,2-TetramethyldichlorodisilaneDTXSID4040717Disilane, 1,2-dichloro-1,1,2,2-tetramethyl-,RefChem:71838DTXCID2020717224-400-1SFAZXBAPWCPIER-UHFFFAOYSA-N4342-61-4

Show more names

DK785DKSI091DKFELEX0201DICHLOROTETRAMETHYLDISILANE1,2-Dichlorotetramethyldisilane>1,2-Dichlorotetramethyldisilane 95%1,2-DICHLOROTETRAMETHYLDISILANE, 95+%1,2-dichloro-1,1,2,2-tetramethyl-disilan

1,2-Dichlorotetramethyldisilanechloro-[chloro(dimethyl)silyl]-dimethylsilaneC4H12Cl2Si2MFCD000785281 2-DichlorotetramethyldisilanePUE9V3DCD6SCHEMBL787775CHEMBL1905534

Database identifiers

CAS: 4342-61-4
PubChem CID: 78045
DTXSID: DTXSID4040717
ChEMBL: CHEMBL1905534
UNII: PUE9V3DCD6
EC Number: 224-400-1
Nikkaji: J46.957B

Properties

Computed structural properties

Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 1
Heavy atoms: 8
Formal charge: 0
Complexity: 78

Experimental & physicochemical properties

SpringerMaterials PropertiesSchoenflies notation

Physicochemical properties

Boiling point: 148 · 148-149 °C(lit.)
Density: 1.005 g/mL · 1.005 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.454(lit.)
Flash point: 99 °F · 99 °F
storage temp.: -20 °C, · -20°C, sealed storage, away from moisture
form: liquid
Specific Gravity: 1.005 · 1.005
color: Colorless to Almost colorless
Hydrolytic Sensitivity: 8 · 8: reacts rapidly with moisture, water, protic solvents
InChI: InChI=1S/C4H12Cl2Si2/c1-7(2,5)8(3,4)6/h1-4H3
InChIKey: SFAZXBAPWCPIER-UHFFFAOYSA-N
SMILES: [Si](Cl)(C)(C)[Si](Cl)(C)C
CAS DataBase Reference: 4342 · 4342-61-4
EPA Substance Registry System: 1 · Disilane, 1,2-dichloro-1,1,2,2-tetramethyl- (4342-61-4)
UNSPSC Code: 12352103 · 12352103
NACRES: 23 · NA.23
Symbol(GHS): 2 · GHS02,GHS05
Signal word: Danger
Hazard statements: 226 · H226-H314
Precautionary statements: 210 · P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes: C
Risk Statements: 14 · 14-34-10
Safety Statements: 26 · 26-27-36/37/39-45
RIDADR: 2986 · UN 2986 8/PG 2
WGK Germany: 3 · 3
TSCA: TSCA listed
HazardClass: 8 · 8/3
PackingGroup: II
HS Code: 29319090 · 29319090
Storage Class: 3 · 3 - Flammable liquids
Hazard Classifications: 3 Skin · Flam. Liq. 3Skin Corr. 1B

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 63 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationChemical: Disilane, 1,2-dichloro-1,1,2,2-tetramethyl-

Hazard Classes and CategoriesFlam. Liq. 3 (100%)

Safety data

PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk: 3
tsca: TSCA listed
ridadr: UN 2986 8/PG 2
hs_code: 29319090
risk_code: 14-34-10
Signal word: Danger
Symbol(GHS): GHS02,GHS05
hazard_code: C
safety_code: 26-27-36/37/39-45
hazard_class: 8/3
Storage Class: 3 - Flammable liquids
packing_group: II
Hazard statements: H226-H314
Hazard Classifications: Flam. Liq. 3Skin Corr. 1B
Precautionary statements: P210-P233-P240-P280-P303+P361+P353-P305+P351+P338

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationDisilane, 1,2-dichloro-1,1,2,2-tetramethyl-: ACTIVE

Applications · 2 items

Description1,2-DICHLOROTETRAMETHYLDISILANE is a kind of widely used organic silicon intermediates and usually be used as organic silicon blocking agent in the synthesis，such as，Si-Si Compounds; Dichlorosilanes (for Polysilanes); Electroluminescence; Functional Materials; Monochlorosilanes; Reagent for High-Performance Polymer Research; Si (Classes of Silicon Compounds); Si-Cl Compounds; Silicon Compounds (for Synthesis); Synthetic Organic Chemistry; Precursors by Metal; Vapor Deposition Precursors.

Uses1,2-DICHLOROTETRAMETHYLDISILANE is used as an intermediate for preparing other organical compounds. It is also used in aqueous polymer preparation as well as a laboratory reagent. 1,2-Dihydroxy-tetramethyldisilane has been synthesized by hydrolysis of 1,2-dichloro-tetramethyldisilane and characterized by IR, NMR, MS and X-ray structure analysis.