3-缩水甘油氧基丙基三甲氧基硅烷

Description

3-Glycidoxypropyltrimethoxysilane · CAS 25704-87-4 · C9H20O5Si. UNII 5K9X9X899R. Boiling Point: 290 °C @760 [mm Hg]; Density: 1.065-1.075 @25 °C; Vapor Pressure: 0.002 [mmHg].

Identification

CAS Registry Number	25704-87-4
PubChem CID	17317
Molecular formula	C9H20O5Si
IUPAC name	trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane
UNII (FDA)	5K9X9X899R

Computed Descriptors

Molecular Weight	236.34
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	9
Exact Mass	236.10800027
Monoisotopic Mass	236.10800027
Topological Polar Surface Area	49.5
Heavy Atom Count	15
Formal Charge	0
Complexity	166

Physical & Chemical Properties

Boiling Point	290 °C @760 [mm Hg]
Density	1.065-1.075 @25 °C
Vapor Pressure	0.002 [mmHg]

Physical description & handling notes

• Liquid; Dry Powder; Liquid
• Liquid; [eChemPortal: SIDSUNEP] Clear colorless liquid; [MSDSonline]

Regulatory Status

GHS notification summary	13.6% (281 / 2064)

GHS Hazard Classification

GHS notification summary	13.6% (281 / 2064)
Reported hazard statements	H318 (54.1%), H341 (26.9%), H412 (18.6%), H315 (100%), H319 (100%), H335 (100%), H402

Documented Uses

• Used as additive (cross-linking agent) for adhesion promotion in adhesives, sealants, coatings, and composites; Used in reinforcing glass fibers and foundry resins; [eChemPortal: SIDSUNEP]
• Molding and Core Making [Category: Foundry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Plastic Composites Manufacturing [Category: Industry]
• Not Known or Reasonably Ascertainable

Synonyms

2530-83-8; Silan A 187; Silicone KBM 403; Silane A 187; Silane Z 6040; Glycidoxypropyltrimethoxysilane; NUCA 187; 3-(Trimethoxysilyl)propyl glycidyl ether; gamma-Glycidoxypropyltrimethoxysilane; Glycidyloxypropyltrimethoxysilane; KBM 403; KBM 430; DZ 6040; A 187; Y 4087; Z 6040

Frequently Asked Questions

What are the CAS number and molecular formula of 3-Glycidoxypropyltrimethoxysilane?

CAS 25704-87-4; molecular formula C9H20O5Si; molecular weight — g/mol.

What other names is 3-Glycidoxypropyltrimethoxysilane known by?

2530-83-8, Silan A 187, Silicone KBM 403, Silane A 187, Silane Z 6040, Glycidoxypropyltrimethoxysilane.

Is 3-Glycidoxypropyltrimethoxysilane classified as hazardous?

13.6% of GHS notifications report no hazard classification (281 of 2064).

What are the key physical properties of 3-Glycidoxypropyltrimethoxysilane?

Boiling Point: 290 °C @760 [mm Hg]; Density: 1.065-1.075 @25 °C; Vapor Pressure: 0.002 [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.