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Iodoacetic anhydride

Also known as: Bis(iodoacetic acid)anhydride, Di(iodoacetic)anhydride, Iodoacetic acid anhydride, Iodoacetyl anhydride, (2-iodoacetyl) 2-iodoacetate, Acetic acid, 2-iodo-, 1,1'-anhydride, Acetic acid, iodo-, anhydride, Jod-essigsaeure-anhydrid, MFCD00001080

Iodoacetic anhydride (CAS 54907-61-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4I2O3 and a molecular weight of 353.88200 g/mol. Key properties include a melting point of 47-49ºC(lit.), a boiling point of 276.9ºC at 760 mmHg, a density of 2.664g/cm3 and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
54907-61-8
Jingsj CID
J-20396-3
Molecular Formula
C4H4I2O3
Molecular Weight
353.88200 g/mol
Category
Organic Acids
Last updated
11/3/2026

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Physicochemical Properties

Melting Point47-49ºC(lit.)
Boiling Point276.9ºC at 760 mmHg
Density2.664g/cm3
Flash Point>110.0 °C
Exact Mass353.82500
PSA43.37000
LogP0.92620
AppearanceCrystalline Powder | Yellow
Refractive Index1.647
Additional Propertychloroform: soluble10%, clear to slightly hazy, yellow (pink or tan)

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Iodoacetic anhydride?

The CAS number of Iodoacetic anhydride is 54907-61-8.

What are the molecular formula and molecular weight of Iodoacetic anhydride?

Iodoacetic anhydride has molecular formula C4H4I2O3 and molecular weight 353.88200 g/mol.

Is Iodoacetic anhydride hazardous?

Iodoacetic anhydride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Iodoacetic anhydride?

For Iodoacetic anhydride, Upstream Products: iodoacetic acid, Iodoacetyl chloride, Thionyl chloride; Downstream Products: Iodoacetamide.

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

Last updated:

How to cite: Jingsj. "Iodoacetic anhydride (CAS 54907-61-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20396-3 (accessed 2026-11-09).

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