Skip to main content

2,2'-oxydiacetyl chloride

Also known as: Diglycolyl chloride, 2-(2-chloro-2-oxoethoxy)acetyl chloride, Acetyl chloride,2,2'-oxybis, Oxydiacetyl dichloride, diglycolic acid dichloride, oxybis(acetyl chloride)

2,2'-oxydiacetyl chloride (CAS 21062-20-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H4Cl2O3 and a molecular weight of 170.97900 g/mol. Key properties include a boiling point of 246.1ºC at 760mmHg, a density of 1.449g/cm3 and a flash point of 108.4ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21062-20-4
Jingsj CID
J-46490-4
Molecular Formula
C4H4Cl2O3
Molecular Weight
170.97900 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point246.1ºC at 760mmHg
Density1.449g/cm3
Flash Point108.4ºC
Exact Mass169.95400
PSA43.37000
LogP0.53380
Vapor Pressure0.0277mmHg at 25°C
Refractive Indexn20/D 1.473(lit.)

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. 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 2,2'-oxydiacetyl chloride?

The CAS number of 2,2'-oxydiacetyl chloride is 21062-20-4.

What are the molecular formula and molecular weight of 2,2'-oxydiacetyl chloride?

2,2'-oxydiacetyl chloride has molecular formula C4H4Cl2O3 and molecular weight 170.97900 g/mol.

Is 2,2'-oxydiacetyl chloride hazardous?

2,2'-oxydiacetyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 2,2'-oxydiacetyl chloride?

For 2,2'-oxydiacetyl chloride, Upstream Products: Diglycolic acid, Diethylene glycol; Downstream Products: 1,2-Bis(trimethylsiloxy)ethane, Calcium ionophore II.

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

Last updated:

How to cite: Jingsj. "2,2'-oxydiacetyl chloride (CAS 21062-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46490-4 (accessed 2026-11-09).

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