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3-Isocyanatopropyltriethoxysilane

Also known as: 3-Isocyanatopropyltriethoxysilane, (3-Isocyanatopropyl)triethoxysilane, Triethoxy(3-isocyanatopropyl)silane, 1-triethoxysilyl-3-isocyanatopropane, 3-(Triethoxysilyl)propyl Isocyanate, 3-(triethoxysilyl)propyl isocyanate, 3-(triethoxysilyl)propylisocyanate, 3-Isocyanatopropyltriethoxysil, 3-isocyanatepropyltriethoxysilane, 3-triethoxysilanylpropyl isocyanate, 3-triethoxysilylpropyl isocyanate, Isocyanatopropyltriethoxysilane, Isocyanic Acid 3-(Triethoxysilyl)propyl Ester, gamma-isocyanatopropyltriethoxysilane, triethoxy(3-isocyanatopropyl)silane, i7840, y9030, yh9030

3-Isocyanatopropyltriethoxysilane (CAS 24801-88-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H21NO4Si and a molecular weight of 247.363 g/mol. Key properties include a melting point of <0ºC, a boiling point of 263.0±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 112.9±19.8 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
24801-88-5
Jingsj CID
J-1175963-0
Molecular Formula
C10H21NO4Si
Molecular Weight
247.363 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Melting Point<0ºC
Boiling Point263.0±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point112.9±19.8 °C
Exact Mass247.123978
PSA57.12000
LogP2.87
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.432
Storage Conditions2-8℃

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H330 — Fatal if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Isocyanatopropyltriethoxysilane?

The CAS number of 3-Isocyanatopropyltriethoxysilane is 24801-88-5.

What are the molecular formula and molecular weight of 3-Isocyanatopropyltriethoxysilane?

3-Isocyanatopropyltriethoxysilane has molecular formula C10H21NO4Si and molecular weight 247.363 g/mol.

Is 3-Isocyanatopropyltriethoxysilane hazardous?

3-Isocyanatopropyltriethoxysilane has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 3-Isocyanatopropyltriethoxysilane?

For 3-Isocyanatopropyltriethoxysilane, Upstream Products: 3-Aminopropyltriethoxysilane; Downstream Products: 3-(4-Semicarbazido)propyltriethoxysilane, N,N''-(methylenedi-4,1-phenylene)bis[N'-[3-(triethoxysilyl)propyl]urea], 2-Propynyl [3-(Triethoxysilyl)propyl]carbamate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Isocyanatopropyltriethoxysilane (CAS 24801-88-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175963-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.