Trimethylsulfonium bromide
Also known as: Trimethylsulphonium bromide, trimethylsulfanium,bromide, trimethylsulfonium,bromide, Trimethyl-sulfonium,Bromid, Sulfonium, trimethyl-, bromide
Trimethylsulfonium bromide (CAS 3084-53-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9BrS and a molecular weight of 157.073 g/mol. Key property: a melting point of 203°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 Aug 21, 2026.
- CAS No.
- 3084-53-5
- Jingsj CID
- J-47841-1
- Molecular Formula
- C3H9BrS
- Molecular Weight
- 157.073 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 203°C |
|---|---|
| Exact Mass | 155.960831 |
| PSA | 25.30000 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Trimethylsulfonium bromide?
The CAS number of Trimethylsulfonium bromide is 3084-53-5.
What are the molecular formula and molecular weight of Trimethylsulfonium bromide?
Trimethylsulfonium bromide has molecular formula C3H9BrS and molecular weight 157.073 g/mol.
Is Trimethylsulfonium bromide hazardous?
Trimethylsulfonium bromide 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 Trimethylsulfonium bromide?
For Trimethylsulfonium bromide, Upstream Products: Methyl bromide, Dimethyl sulfide, 2,4-Dithiapentane; Downstream Products: Dimethyl sulfide, Methyl bromide, Styrene oxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylsulfonium bromide (CAS 3084-53-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47841-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.