氯丙基三甲氧基硅烷

Description

Chloropropyltrimethoxysilane · CAS 2530-87-2 · C6H15ClO3Si. UNII T21BNL1S7F. Boiling Point: 195 °C @760 [mm Hg]; Density: 1.09 @25 °C; Vapor Pressure: 0.39 [mmHg].

Identification

CAS Registry Number	2530-87-2
PubChem CID	62449
Molecular formula	C6H15ClO3Si
IUPAC name	3-chloropropyl(trimethoxy)silane
UNII (FDA)	T21BNL1S7F

Computed Descriptors

Molecular Weight	198.72
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	6
Exact Mass	198.0478986
Monoisotopic Mass	198.0478986
Topological Polar Surface Area	27.7
Heavy Atom Count	11
Formal Charge	0
Complexity	89.6

Physical & Chemical Properties

Boiling Point	195 °C @760 [mm Hg]
Density	1.09 @25 °C
Vapor Pressure	0.39 [mmHg]

Physical description & handling notes

• Liquid
• Liquid; [Reference #1] Colorless liquid; [Alfa Aesar MSDS]

Regulatory Status

GHS notification summary	83.4% (181 / 217)

GHS Hazard Classification

GHS notification summary	83.4% (181 / 217)
Reported hazard statements	H226 (11.5%), H315, H320, H336, H373

Documented Uses

• Used as a coupling agent for filled composites and industrial goods (textile goods); Used in closed systems to prevent loss due to rapid hydrolysis; [Reference #1]
• 2023: 1,000,000 - <5,000,000 lb
• 2022: 2,500,000 - <4,000,000 lb
• 2021: 2,500,000 - <4,000,000 lb
• 2020: 2,500,000 - <4,000,000 lb
• All Other Basic Inorganic Chemical Manufacturing

Synonyms

3-Chloropropyltrimethoxysilane; 2530-87-2; (3-Chloropropyl)trimethoxysilane; Silane, (3-chloropropyl)trimethoxy-; 3-(Trimethoxysilyl)propyl chloride; KBM 703; A 143; SH 6076; Z 6076; T21BNL1S7F; DTXSID4027490; NSC-83878; DTXCID207490; CPTMS cpd; RefChem:400119; 219-787-9

Frequently Asked Questions

What are the CAS number and molecular formula of Chloropropyltrimethoxysilane?

CAS 2530-87-2; molecular formula C6H15ClO3Si; molecular weight — g/mol.

What other names is Chloropropyltrimethoxysilane known by?

3-Chloropropyltrimethoxysilane, 2530-87-2, (3-Chloropropyl)trimethoxysilane, Silane, (3-chloropropyl)trimethoxy-, 3-(Trimethoxysilyl)propyl chloride, KBM 703.

Is Chloropropyltrimethoxysilane classified as hazardous?

83.4% of GHS notifications report no hazard classification (181 of 217).

What are the key physical properties of Chloropropyltrimethoxysilane?

Boiling Point: 195 °C @760 [mm Hg]; Density: 1.09 @25 °C; Vapor Pressure: 0.39 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.