3-Glycidoxypropyltrimethoxysilane (CAS 25704-87-4) — formula C9H20O5Si, molecular weight 236.34; category specialty chemicals.
3-Glycidoxypropyltrimethoxysilane (CAS 25704-87-4) is a chemical raw material in the specialty chemicals category. Its molecular formula C9H20O5Si comprises 9 C, 20 H, 5 O, 1 Si atoms. Its molecular weight is about 236.34. Reported physicochemical data: boiling point around 290 °C @760 [mm Hg]. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 25704-87-4 |
|---|---|
| Molecular Formula | C9H20O5Si |
| Molecular Weight | 236.34 |
| Boiling Point | 290 °C @760 [mm Hg] |
| Applications | additive (cross-linking agent) for adhesion promotion in adhesives, sealants, coatings, and composites, reinforcing glass fibers and foundry resins, Molding and Core Making |
| Category | Specialty Chemicals |
Documented applications: additive (cross-linking agent) for adhesion promotion in adhesives, sealants, coatings, and composites, reinforcing glass fibers and foundry resins, Molding and Core Making.
3-Glycidoxypropyltrimethoxysilane is a specialty compound with CAS registry number 25704-87-4 and molecular formula C9H20O5Si (molecular weight 236.34), belonging to the specialty chemicals segment of chemical raw materials.
CAS number: 25704-87-4
Its molecular formula C9H20O5Si comprises 9 C, 20 H, 5 O, 1 Si atoms.
Also known as: 3-Glycidoxypropyltrimethoxysilane · 3-缩水甘油氧基丙基三甲氧基硅烷
Category: specialty chemicals
The CAS registry number of 3-Glycidoxypropyltrimethoxysilane is 25704-87-4.
Molecular formula C9H20O5Si, molecular weight 236.34.
It is also registered under: 3-Glycidoxypropyltrimethoxysilane, 3-缩水甘油氧基丙基三甲氧基硅烷.
Recorded applications: additive (cross-linking agent) for adhesion promotion in adhesives, sealants, coatings, and composites, reinforcing glass fibers and foundry resins, Molding and Core Making.
Category: Specialty Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 3-Glycidoxypropyltrimethoxysilane (CAS 25704-87-4), compiled from public chemistry databases.
| CAS Registry Number | 25704-87-4 |
|---|---|
| PubChem CID | 17317 |
| Molecular formula | C9H20O5Si |
| IUPAC name | trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane |
| UNII (FDA) | 5K9X9X899R |
| 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 |
| Boiling Point | 290 °C @760 [mm Hg] |
|---|---|
| Density | 1.065-1.075 @25 °C |
| Vapor Pressure | 0.002 [mmHg] |
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
| GHS notification summary | 13.6% (281 / 2064) |
|---|
| 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 |
This chemical does not meet GHS hazard criteria for 13.6% (281 of 2064) of reports.
H318 (54.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
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].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 3-缩水甘油氧基丙基三甲氧基硅烷