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tert-Butyl chloroacetate

Also known as: Chloroacetic acid tert-butyl ester, tert-Butylchloroacetate, Acetic acid, chloro-, 1,1-dimethylethyl ester, Acetic acid, 2-chloro-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl chloroacetate, ClCH2C(O)OC(CH3)3, NSC 87891, MFCD00000930, EINECS 203-506-1

tert-Butyl chloroacetate (CAS 107-59-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11ClO2 and a molecular weight of 150.603 g/mol. Key properties include a boiling point of 157.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 46.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
107-59-5
Jingsj CID
J-5418-2
Molecular Formula
C6H11ClO2
Molecular Weight
150.603 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point157.5±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point46.7±0.0 °C
Exact Mass150.044754
PSA26.30000
LogP1.64
Vapor Pressure2.8±0.3 mmHg at 25°C
Refractive Index1.425
Additional Property<0.1 g/L (20 ºC)

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H331 — Toxic if inhaled

Customs & Trade Information

HS Code29154000

Frequently Asked Questions

What is the CAS number of tert-Butyl chloroacetate?

The CAS number of tert-Butyl chloroacetate is 107-59-5.

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

tert-Butyl chloroacetate has molecular formula C6H11ClO2 and molecular weight 150.603 g/mol.

Is tert-Butyl chloroacetate hazardous?

tert-Butyl chloroacetate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

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

For tert-Butyl chloroacetate, Upstream Products: Chloroacetyl chloride, tert-Butanol, Chloroacetic acid; Downstream Products: (tert-Butoxycarbonylmethyl)triphenylphosphonium chloride, 2-(3-(Trifluoromethyl)phenoxy)acetic acid, 4-Benzyloxyphenoxyacetic acid.

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 chloroacetate (CAS 107-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5418-2 (accessed 2026-11-09).

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