2,2,3,3,4,4-Hexafluoropentanedioic Anhydride

Also known as: Hexafluoroglutaric anhydride, Perfluoroglutaric anhydride, 2,2,3,3,4,4-Hexafluoroglutaric anhydride, 3,3,4,4,5,5-hexafluorodihydro-2H-pyran-2,6(3H)-dione, 3,3,4,4,5,5-hexafluorooxane-2,6-dione

2,2,3,3,4,4-Hexafluoropentanedioic Anhydride (CAS 376-68-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5F6O3 and a molecular weight of 222.04200 g/mol. Key properties include a boiling point of 72 °C(lit.), a density of 1.654 g/mL at 25 °C(lit.) and a flash point of None. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 376-68-1
Jingsj CID: J-45553-8
Molecular Formula: C₅F₆O₃
Molecular Weight: 222.04200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	72 °C(lit.)
Density	1.654 g/mL at 25 °C(lit.)
Flash Point	None
Exact Mass	221.97500
PSA	43.37000
LogP	0.97570
Refractive Index	n20/D 1.324(lit.)

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H314 — Causes severe skin burns and eye damage
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride?

The CAS number of 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride is 376-68-1.

What are the molecular formula and molecular weight of 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride?

2,2,3,3,4,4-Hexafluoropentanedioic Anhydride has molecular formula C5F6O3 and molecular weight 222.04200 g/mol.

Is 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride hazardous?

2,2,3,3,4,4-Hexafluoropentanedioic Anhydride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride?

For 2,2,3,3,4,4-Hexafluoropentanedioic Anhydride, Upstream Products: Hexafluoroglutaric acid, Hexafluoroglutaryl chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,2,3,3,4,4-Hexafluoropentanedioic Anhydride (CAS 376-68-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45553-8 (accessed 2026-11-09).

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