Chloropentamethyldisilane

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Basic information

CAS: 1560-28-7
Standard SMILES: C[Si](C)(C)[Si](C)(C)Cl
InChIKey: GJCAUTWJWBFMFU-UHFFFAOYSA-N
Molecular formula: C5H15ClSi2
Average molar mass: 166.79 g/mol
Monoisotopic mass: 166.0400812

Names & identifiers

Preferred name: Chloropentamethyldisilane
IUPAC: chloro-dimethyl-trimethylsilylsilane
English name: Chloropentamethyldisilane
Molecular formula: C5H15ClSi2
Molecular weight: 166.8

Names & synonyms

Chloropentamethyldisilane1560-28-7PentamethylchlorodisilaneDisilane, chloropentamethyl-1-chloro-1,1,2,2,2-pentamethyldisilaneDisilane, 1-chloro-1,1,2,2,2-pentamethyl-BVL5P5SYR7EINECS 216-330-5DTXSID6061781RefChem:575919DTXCID6035025216-330-5

Show more names

DK561DK093chloropentamethyl-disilan1,1,2,2,2-Pentamethyl-1-chlorodisilane

chloro-dimethyl-trimethylsilylsilaneDisilane,1-chloro-1,1,2,2,2-pentamethyl-MFCD00456692C5H15ClSi21,1,1,2,2-Pentamethyl-2-chlorodisilaneUNII-BVL5P5SYR7SCHEMBL947173Chloropentamethyldisilane, 97%

Database identifiers

CAS: 1560-28-7
PubChem CID: 73795
DTXSID: DTXSID6061781
UNII: BVL5P5SYR7
EC Number: 216-330-5
Nikkaji: J46.580A

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: 82.9

Physicochemical properties

Melting point: 0 °C · <0°C
Boiling point: 134 · 134-136 °C(lit.)
Density: 0.862 g/mL · 0.862 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.4415(lit.)
Flash point: 64 °F · 64 °F
form: clear liquid
color: Colorless to Almost colorless
Specific Gravity: 0.8684 · 0.8684
Hydrolytic Sensitivity: 8 · 8: reacts rapidly with moisture, water, protic solvents
InChI: 1S/C5H15ClSi2/c1-7(2,3)8(4,5)6/h1-5H3
InChIKey: GJCAUTWJWBFMFU-UHFFFAOYSA-N
SMILES: C[Si](C)(C)[Si](C)(C)Cl
FDA UNII: 5 P5SYR7 · BVL5P5SYR7
EPA Substance Registry System: Disilane, chloropentamethyl- (1560-28-7)
UNSPSC Code: 12352300 · 12352300
NACRES: 23 · NA.23

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

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 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationChemical: Disilane, chloropentamethyl-

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 2985 3/PG 2
hs_code: 2931.90.9010
risk_code: 11-14-34
Signal word: Danger
Symbol(GHS): GHS02,GHS05
hazard_code: F,C
safety_code: 16-26-36/37/39-45
hazard_class: 8/3
Storage Class: 3 - Flammable liquids
packing_group: II

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationDisilane, 1-chloro-1,1,2,2,2-pentamethyl-: ACTIVE

Applications · 1 item

UsesChloropentamethyldisilane may be used as one of the constituents for the sythesis of silyloxyjulolidine (SiN1) as a source of silyl radicals which may be used as photoinitiators for free radical photopolymerization. It may also be used in the preparation of 2-pentamethyldisilanyloxymethyl)phenylpentamethyldisilane.

Upstream & downstream products

Downstream products

Hexamethyldisiloxane

Related reactions

1 records

New reaction record

HRID 373353As reactantuspto-grants-1992_11

Compound notes

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