硅烷，乙烯基三甲氧基

Description

Silane,ethenyltrimethoxy · CAS 2768-02-7 · C5H12O3Si. UNII 0ZIU135UES. Boiling Point: 123 °C @760 [mm Hg]; Melting Point: −97°C; Flash Point: 25.5°C.

Identification

CAS Registry Number	2768-02-7
PubChem CID	76004
Molecular formula	C5H12O3Si
IUPAC name	ethenyl(trimethoxy)silane
UNII (FDA)	0ZIU135UES

Computed Descriptors

Molecular Weight	148.23
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	4
Exact Mass	148.05557077
Monoisotopic Mass	148.05557077
Topological Polar Surface Area	27.7
Heavy Atom Count	9
Formal Charge	0
Complexity	81.9

Physical & Chemical Properties

Boiling Point	123 °C @760 [mm Hg]
Melting Point	−97°C
Flash Point	25.5°C
Density	1.13 @25 °C
Autoignition Temperature	224°C

Physical description & handling notes

• Light yellow liquid; [Aldrich MSDS] Colorless liquid with a fruity odor; [Alfa Aesar MSDS]
• Liquid (at standard temperature and pressure)
• 123°C at 1013 hPa (converted to 101.3 kPa) (760 mm Hg)
• Water Solubility: 1,000,000 mg/L at 20°C (modeled data).
• Specific Density: 0.94 (water = 1)
• 11.9 hPa (converted to 1.19 kPa) at 20°C

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Vinyltrimethoxysilane (CAS Reg. No. 2768-02-7) As a modifier for ethylene-vinyl acetate-vinyl alcohol copolymers, except for use in contact with infant formu
GHS notification summary	7.7% (104 / 1358)

GHS Hazard Classification

GHS notification summary	7.7% (104 / 1358)
Reported hazard statements	H317, H226 (55%), H315 (11%), H318 (32.8%), H319 (10.7%), H332 (58%), H225, H336

Documented Uses

• The typical concentration of VTMS in industrial products is from 1 to 2%. VTMS undergoes reactions, resulting in minimal or no residual chemical in the final products. It serves as a coupling agent for plastics and wire and cable pipes, acts as a moisture scavenger in sealants, and functions as a co-monomer in latex dispersions to enhance adhesion on inorganic surfaces. VTMS is managed within closed systems (hard piped) in manufacturing environments, and it is not used in consumer products.
• Information on 20 consumer products that contain Trimethoxyvinylsilane in the following categories is provided:
• Silane, ethenyltrimethoxy-: ACTIVE

Synonyms

Vinyltrimethoxysilane; 2768-02-7; Trimethoxyvinylsilane; Silane, ethenyltrimethoxy-; Ethenyltrimethoxysilane; (Trimethoxysilyl)ethene; Silane, trimethoxyvinyl-; Vinyl trimethoxy silane; DTXSID2029240; 0ZIU135UES; A 171 (Silane derivative); DYNASYLAN SILFIN; KBM 1003; SZ 6300; DTXCID509240; A 171

Frequently Asked Questions

What are the CAS number and molecular formula of Silane,ethenyltrimethoxy?

CAS 2768-02-7; molecular formula C5H12O3Si; molecular weight — g/mol.

What other names is Silane,ethenyltrimethoxy known by?

Vinyltrimethoxysilane, 2768-02-7, Trimethoxyvinylsilane, Silane, ethenyltrimethoxy-, Ethenyltrimethoxysilane, (Trimethoxysilyl)ethene.

What is the regulatory status of Silane,ethenyltrimethoxy?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS; Vinyltrimethoxysilane (CAS Reg. No. 2768-02-7).

Is Silane,ethenyltrimethoxy classified as hazardous?

7.7% of GHS notifications report no hazard classification (104 of 1358).

What are the key physical properties of Silane,ethenyltrimethoxy?

Boiling Point: 123 °C @760 [mm Hg]; Melting Point: −97°C; Flash Point: 25.5°C; Density: 1.13 @25 °C.

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.