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tert-Butyl Methyl Sulfide

Also known as: tert-butyl methyl sulfide, t-butyl methyl sulfide, methyl tert-butyl sulfide, Methyl t-butyl sulfide, 2-Methyl-2-(methylsulfanyl)propane, 2-Methyl-2-(methylthio)propane, 3,3-Dimethyl-2-thiabutane, tert-butyl methyl thioether, tert-butylmethylsulfide, TERT-BUTYL METHYL SULPHIDE, sulfure de tert-butyle et de methyle

tert-Butyl Methyl Sulfide (CAS 6163-64-0) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C5H12S and a molecular weight of 104.21400 g/mol. Key properties include a melting point of -82.31°C, a boiling point of 101-102ºC(lit.), a density of 0.826 and a flash point of -3.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
6163-64-0
Jingsj CID
J-914204-0
Molecular Formula
C5H12S
Molecular Weight
104.21400 g/mol
Category
Ethers
Last updated
11/2/2026

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Physicochemical Properties

Melting Point-82.31°C
Boiling Point101-102ºC(lit.)
Density0.826
Flash Point-3.9 °C
Exact Mass104.06600
PSA25.30000
LogP2.14790
Appearanceliquid
Refractive Indexn20/D 1.44(lit.)
Additional PropertyDifficult to mix.

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930909090
Summary2930909090. 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 tert-Butyl Methyl Sulfide?

The CAS number of tert-Butyl Methyl Sulfide is 6163-64-0.

What are the molecular formula and molecular weight of tert-Butyl Methyl Sulfide?

tert-Butyl Methyl Sulfide has molecular formula C5H12S and molecular weight 104.21400 g/mol.

Is tert-Butyl Methyl Sulfide hazardous?

tert-Butyl Methyl Sulfide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of tert-Butyl Methyl Sulfide?

For tert-Butyl Methyl Sulfide, Upstream Products: tert-butyl methyl sulfoxide, Triphenylphosphine, 2-Methyl-2-propanethiol; Downstream Products: bis(tri-n-butyltin) sulfide, Tributyl(methylsulfanyl)stannane, tert-butyl methyl sulfoxide.

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

Last updated:

How to cite: Jingsj. "tert-Butyl Methyl Sulfide (CAS 6163-64-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-914204-0 (accessed 2026-11-07).

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