Butyryl chloride, 98%

About Butyryl chloride, 98%

Butyryl chloride is an acylating agent in Synthesis grade carrying the CAS registry number 141-75-3 with a typical assay of ≥98%. Formula C4H7ClO, molecular weight 106.55 g/mol. Systematically, it is named butanoyl chloride. It is also known as n-Butyryl chloride or n-Butyric acid chloride.

The product is provided as a liquid. Literature values give a melting point of −89 °C and a boiling point of 102 °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 organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 100 mL, 500 mL, 5 L and 200 kg packs, Butyryl chloride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Butyryl chloride, 98%
Catalogue No.	VQ-009122
CAS Number	141-75-3
IUPAC name	butanoyl chloride
Molecular formula	C₄H₇ClO
Molecular weight	106.55 g/mol
Exact mass	106.0185
Grade	Synthesis
Purity / assay	≥98%
HSN code	29159090
InChIKey	DVECBJCOGJRVPX-UHFFFAOYSA-N
SMILES	CCCC(=O)Cl
PubChem CID	8855

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	−89 °C
Boiling point	102 °C
Density	1.026 g/mL at 25 °C
LogP (XLogP3)	1.6
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
UN number	UN 2353
Synonyms	n-Butyryl chloride, n-Butyric acid chloride, Butyrylchloride, Butyric acid chloride, Butyric chloride, Butyroyl chloride, butanoic acid chloride, butryl chloride, butyroylchloride, n-PrCOCl, methylpropionyl chloride, Butyryl chloride, 98%

Safety & hazard information (GHS)

Flammable

Corrosive

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H314Causes severe skin burns and eye damage

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P321, P363, P370 + P378, P403 + P235, 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 Butyryl chloride, 98%?

The CAS Registry Number of Butyryl chloride, 98% is 141-75-3. It is also known as n-Butyryl chloride, n-Butyric acid chloride, Butyrylchloride.

What is the molecular formula and molecular weight of Butyryl chloride, 98%?

Butyryl chloride, 98% has the molecular formula C4H7ClO and a molecular weight of 106.55 g/mol. Its IUPAC name is butanoyl chloride.

Which grade and pack sizes of Butyryl chloride, 98% can I order?

We supply Butyryl chloride, 98% in Synthesis (≥98%) grade, in 100 mL, 500 mL, 5 L, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Butyryl chloride, 98%?

Yes. Every lot of Butyryl chloride, 98% 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 Butyryl chloride, 98% be shipped internationally?

Yes. Butyryl chloride, 98% is classified as hazardous (UN 2353), 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.