Trimethylsilyl chlorosulphate (HCID 78059)

Names & identifiers

Preferred name: Trimethylsilyl chlorosulphate
IUPAC: [chlorosulfonyloxy(dimethyl)silyl]methane
English name: Trimethylsilyl chlorosulfonate
Molecular formula: C3H9ClO3SSi
Molecular weight: 188.71

Names & synonyms

4353-77-9Trimethylsilyl chlorosulfonateTrimethylsilyl chlorosulphateEINECS 224-425-8DTXSID30195872RefChem:899906DTXCID70118363224-425-8Trimethylsilylchlorosulfonatetrimethylsilyl sulfurochloridate[chlorosulfonyloxy(dimethyl)silyl]methanetrimethylsilyl sulfochloridate

Show more names

chlorosulfonate de trimethylsilyleTriMethylsilyl chlorosulfonate 99%Trimethyl(chlorosulfonyloxy)silaneChlorosulfonic acid trimethylsilyl ester

MFCD00040471Chlorosulfuric acid, trimethylsilyl esterC3H9ClO3SSiPM26WJY8RVtrimethylsilyl chlorosulfatetrimethylsilylsulfochloridatetrimethylsilylchlorosulphonateSCHEMBL544749

Database identifiers

CAS: 4353-77-9
PubChem CID: 78059
DTXSID: DTXSID30195872
UNII: PM26WJY8RV
EC Number: 224-425-8
Nikkaji: J205.731J

Properties

Computed structural properties

Topological polar surface area: 51.8 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 3
Rotatable bonds: 2
Heavy atoms: 9
Formal charge: 0
Complexity: 174

Physicochemical properties

Melting point: 26 °C · −26 °C(lit.)
Boiling point: 168 · 168-169 °C(lit.)
Density: 1.225 g/mL · 1.225 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.424(lit.)
Flash point: 108 °F · 108 °F
form: liquid
Specific Gravity: 1.23 · 1.23
Hydrolytic Sensitivity: 8 · 8: reacts rapidly with moisture, water, protic solvents
BRN: 1763675 · 1763675
InChI: InChI=1S/C3H9ClO3SSi/c1-9(2,3)7-8(4,5)6/h1-3H3
InChIKey: QWQONZVLXJGXHV-UHFFFAOYSA-N
SMILES: S(Cl)(O[Si](C)(C)C)(=O)=O
FDA UNII: 26 WJY8RV · PM26WJY8RV
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
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: 10 · 10-34
Safety Statements: 26 · 26-36/37/39-45
RIDADR: 2920 · UN 2920 8/PG 2
WGK Germany: 3 · 3
F: 10 · 10-21
TSCA: No
HazardClass: 3.2 · 3.2
PackingGroup: III
Storage Class: 3 · 3 - Flammable liquids
Hazard Classifications: 1 Flam · Eye Dam. 1Flam. 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 39 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

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

Safety data

F: 10-21
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk: 3
tsca: No
ridadr: UN 2920 8/PG 2
risk_code: 10-34
Signal word: Danger
Symbol(GHS): GHS02,GHS05
hazard_code: C
safety_code: 26-36/37/39-45
hazard_class: 3.2
Storage Class: 3 - Flammable liquids
packing_group: III
Hazard statements: H226-H314
Hazard Classifications: Eye Dam. 1Flam. Liq. 3Skin Corr. 1B
Precautionary statements: P210-P233-P240-P280-P303+P361+P353-P305+P351+P338

Chemistry & industry

Applications · 2 items

UsesTrimethylsilyl chlorosulfonate may be used:in the sulfonation of small organic molecules in the synthesis of sulfonated polysulfone as sulfonating agent in the preparation of nano-structured organic-inorganic membranes for proton exchange membrane fuel cells (PEMFC) based on methacrylate and epoxy polymeric structures in the preparation of sulfonated polysulfone (sPS)/titanium dioxide (TiO2) composite membranes for use in PEMFCs in the preparation of iodosobenzene sulfate, required for the synthesis of cyclic sulfates

General DescriptionTrimethylsilyl chlorosulfonate is commonly employed as sulfonating agent.