Butyl Chloroformate

Name: Butyl Chloroformate
Brand: Vaqora Chemicals
SKU: VQ-032780

About Butyl Chloroformate

Butyl Chloroformate is an API impurity reference standard carrying the CAS registry number 592-34-7. With the molecular formula C5H9ClO2, it has a molar mass of 136.58 g/mol. Its systematic (IUPAC) name is butyl carbonochloridate. Common synonyms include N-butyl Chloroformate and Chloroformic acid n-butyl ester.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Butyl Chloroformate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Butyl Chloroformate
Catalogue No.	VQ-032780
CAS Number	592-34-7
IUPAC name	butyl carbonochloridate
Molecular formula	C₅H₉ClO₂
Molecular weight	136.58 g/mol
Exact mass	136.0291
Grade	Reference Standard
HSN code	38229090
InChIKey	NRDQFWXVTPZZAZ-UHFFFAOYSA-N
SMILES	CCCCOC(=O)Cl
PubChem CID	61140

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	N-butyl Chloroformate, Chloroformic acid n-butyl ester, n-butyl chlorocarbonate, Formic acid, chloro, butyl ester, Formic acid, chloro, butyl ester (8CI), Butyl chlorocarbonate, Chloroformic acid butyl ester, Butoxycarbonyl chloride, Formic acid, chloro-, butyl ester

Safety & hazard information (GHS)

Flammable

Corrosive

Toxic

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H314Causes severe skin burns and eye damage
H331Toxic if inhaled

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P321, P363, P370 + P378, P403 + P233, 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

Other grades of CAS 592-34-7

Extra Pure

n-Butyl chloroformate, extra pure

CAS: 592-34-7
Formula: C₅H₉ClO₂
MW: 136.58 g/mol

VQ-019934

Frequently asked questions

What is the CAS number of Butyl Chloroformate?

The CAS Registry Number of Butyl Chloroformate is 592-34-7. It is also known as N-butyl Chloroformate, Chloroformic acid n-butyl ester, n-butyl chlorocarbonate.

What is the molecular formula and molecular weight of Butyl Chloroformate?

Butyl Chloroformate has the molecular formula C5H9ClO2 and a molecular weight of 136.58 g/mol. Its IUPAC name is butyl carbonochloridate.

Which grade and pack sizes of Butyl Chloroformate can I order?

We supply Butyl Chloroformate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Butyl Chloroformate?

Yes. Every lot of Butyl Chloroformate 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 Butyl Chloroformate be shipped internationally?

Yes. Butyl Chloroformate is classified as hazardous, 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.