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tert-butyl chloride

Also known as: 2-Chloro-2-methylpropane, 2-Chloroisobutane, Trimethylchloromethane, 1,1-dimethylethyl chloride, 1-chloro-1,1-dimethylethane, Chlorotrimethylmethane, t-Butyl chloride, tert-Butylchloride, tertiary butyl chloride, Propane, 2-chloro-2-methyl

tert-butyl chloride (CAS 507-20-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H9Cl and a molecular weight of 92.567 g/mol. Key properties include a melting point of -25 °C, a boiling point of 50.6±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 18.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
507-20-0
Jingsj CID
J-32511-2
Molecular Formula
C4H9Cl
Molecular Weight
92.567 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-25 °C
Boiling Point50.6±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point18.3±0.0 °C
Exact Mass92.039276
LogP2.20
Additional Property3.2 (vs air)
Vapor Pressure298.6±0.1 mmHg at 25°C
Refractive Index1.395
Additional PropertySLIGHTLY SOLUBLE

GHS Safety & Compliance

FlammableSignal word: Danger
  • H225 — Highly flammable liquid and vapour

Customs & Trade Information

HS Code2903199000
Summary2903199000 other saturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of tert-butyl chloride?

The CAS number of tert-butyl chloride is 507-20-0.

What are the molecular formula and molecular weight of tert-butyl chloride?

tert-butyl chloride has molecular formula C4H9Cl and molecular weight 92.567 g/mol.

Is tert-butyl chloride hazardous?

tert-butyl chloride has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.

What are the upstream and downstream products of tert-butyl chloride?

For tert-butyl chloride, Upstream Products: tert-Butanol, Pivaloyl chloride, Isobutylene; Downstream Products: 2,2-DIMETHYLHEPTANE, tbt, TERT-BUTYLTOLUENE.

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 chloride (CAS 507-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32511-2 (accessed 2026-11-06).

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