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(3-Bromopropyl)trimethoxysilane

Also known as: 3-bromopropyltrimethoxysilane, (3-bromopropyl)trimethoxysilane, 3-bromopropyl(trimethoxy)silane, Silane, (3-bromopropyl)trimethoxy-, 1-Bromo-3-trimethoxysilylpropane, ZERENEX ZX007475

(3-Bromopropyl)trimethoxysilane (CAS 51826-90-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H15BrO3Si and a molecular weight of 243.171 g/mol. Key properties include a melting point of <0ºC, a boiling point of 181.9±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 63.8±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
51826-90-5
Jingsj CID
J-1029359-1
Molecular Formula
C6H15BrO3Si
Molecular Weight
243.171 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Melting Point<0ºC
Boiling Point181.9±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point63.8±22.6 °C
Exact Mass241.997375
PSA27.69000
LogP1.43
Vapor Pressure1.1±0.3 mmHg at 25°C
Refractive Index1.440

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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-Bromopropyl)trimethoxysilane?

The CAS number of (3-Bromopropyl)trimethoxysilane is 51826-90-5.

What are the molecular formula and molecular weight of (3-Bromopropyl)trimethoxysilane?

(3-Bromopropyl)trimethoxysilane has molecular formula C6H15BrO3Si and molecular weight 243.171 g/mol.

Is (3-Bromopropyl)trimethoxysilane hazardous?

(3-Bromopropyl)trimethoxysilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (3-Bromopropyl)trimethoxysilane?

For (3-Bromopropyl)trimethoxysilane, Upstream Products: (3-Bromopropyl)trichlorosilane, Trimethyl orthoformate; Downstream Products: Trimethoxysilylpropanethiol, 1-[3-(Trimethoxysilyl)propyl]-1H-pyrrole.

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-Bromopropyl)trimethoxysilane (CAS 51826-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029359-1 (accessed 2026-11-09).

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