Heptafluorobutyric acid, 99%

About Heptafluorobutyric acid, 99%

Heptafluorobutyric acid is a peptide synthesis reagent carrying the CAS registry number 375-22-4, specified at ≥99% purity. Formula C4HF7O2, molecular weight 214.04 g/mol. The IUPAC name is 2,2,3,3,4,4,4-heptafluorobutanoic acid. Common synonyms include Edman Reagent No. 3 and HFBA.

It is supplied as a colourless to faint yellow liquid. Literature values give a boiling point of 120 °C and a density of 1.645 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include peptide coupling, solid-phase peptide synthesis, bioconjugation and protein and peptide research. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

We offer Heptafluorobutyric acid in 25 g, 100 g, 500 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Peptide coupling
Solid-phase peptide synthesis
Bioconjugation
Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Heptafluorobutyric acid, 99%
Catalogue No.	VQ-002394
CAS Number	375-22-4
IUPAC name	2,2,3,3,4,4,4-heptafluorobutanoic acid
Molecular formula	C₄HF₇O₂
Molecular weight	214.04 g/mol
Exact mass	213.9865
Purity / assay	≥99%
HSN code	29159090
InChIKey	YPJUNDFVDDCYIH-UHFFFAOYSA-N
SMILES	C(=O)(C(C(C(F)(F)F)(F)F)(F)F)O
PubChem CID	9777

Physical properties
Physical form	Liquid
Appearance	Colourless to faint yellow liquid
Boiling point	120 °C
Density	1.645 g/mL at 25 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 9
TPSA	37.3 Å²
UN number	UN 3265
Synonyms	Edman Reagent No. 3, HFBA, Perfluorobutyric acid, Heptafluorobutanoic acid, Heptafluoro-1-butanoic acid, Perfluoropropanecarboxylic acid, Kyselina heptafluormaselna, PFBA perfluorobutanoic acid, perfluorobutyric acid, sodium salt, perfluorobutyric acid, potassium salt, perfluorobutyric acid, silver (1+) salt, Perfluorobutanoic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary statements: P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Heptafluorobutyric acid, 99%?

The CAS Registry Number of Heptafluorobutyric acid, 99% is 375-22-4. It is also known as Edman Reagent No. 3, HFBA, Perfluorobutyric acid.

What is the molecular formula and molecular weight of Heptafluorobutyric acid, 99%?

Heptafluorobutyric acid, 99% has the molecular formula C4HF7O2 and a molecular weight of 214.04 g/mol. Its IUPAC name is 2,2,3,3,4,4,4-heptafluorobutanoic acid.

Which grade and pack sizes of Heptafluorobutyric acid, 99% can I order?

We supply Heptafluorobutyric acid, 99% in (≥99%) grade, in 25 g, 100 g, 500 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Heptafluorobutyric acid, 99%?

Yes. Every lot of Heptafluorobutyric acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Heptafluorobutyric acid, 99% be shipped internationally?

Yes. Heptafluorobutyric acid, 99% is classified as hazardous (UN 3265), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.