α-Bromo-γ-butyrolactone, 97%

Name: α-Bromo-γ-butyrolactone, 97%
Brand: Vaqora Chemicals
SKU: VQ-008958

About α-Bromo-γ-butyrolactone, 97%

α-Bromo-γ-butyrolactone (CAS 5061-21-2) is an ester offered by Vaqora Chemicals, specified at 97% purity. Its molecular formula is C4H5BrO2 and its molecular weight is 164.99 g/mol. The IUPAC name is 3-bromooxolan-2-one. Common synonyms include 2-Bromo-4-hydroxybutyric acid γ-lactone and 2-Bromo-4-butanolide.

The material typically appears as a colourless to yellow liquid. Literature values give a boiling point of 138 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies α-Bromo-γ-butyrolactone in 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	α-Bromo-γ-butyrolactone, 97%
Catalogue No.	VQ-008958
CAS Number	5061-21-2
IUPAC name	3-bromooxolan-2-one
Molecular formula	C₄H₅BrO₂
Molecular weight	164.99 g/mol
Exact mass	163.9473
Purity / assay	97%
HSN code	29321990
InChIKey	LFJJGHGXHXXDFT-UHFFFAOYSA-N
SMILES	C1COC(=O)C1Br
PubChem CID	95463

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Boiling point	138 °C
LogP (XLogP3)	1.1
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	2-Bromo-4-hydroxybutyric acid γ-lactone, 2-Bromo-4-butanolide, alpha-Bromo-gamma-butyrolactone, 2-Bromobutyrolactone, 2(3H)-Furanone, 3-bromodihydro-, 3-Bromo-2-furanone, 2-Bromo-4-butyrolactone, alpha-Bromobutyric acid, gamma-lactone, 2Bromo4butanolide, 2Bromobutyrolactone, 2(3H)Furanone, 3bromodihydro, alphaBromobutyric acid, gammalactone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 α-Bromo-γ-butyrolactone, 97%?

The CAS Registry Number of α-Bromo-γ-butyrolactone, 97% is 5061-21-2. It is also known as 2-Bromo-4-hydroxybutyric acid γ-lactone, 2-Bromo-4-butanolide, alpha-Bromo-gamma-butyrolactone.

What is the molecular formula and molecular weight of α-Bromo-γ-butyrolactone, 97%?

α-Bromo-γ-butyrolactone, 97% has the molecular formula C4H5BrO2 and a molecular weight of 164.99 g/mol. Its IUPAC name is 3-bromooxolan-2-one.

Which grade and pack sizes of α-Bromo-γ-butyrolactone, 97% can I order?

We supply α-Bromo-γ-butyrolactone, 97% in (97%) grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with α-Bromo-γ-butyrolactone, 97%?

Yes. Every lot of α-Bromo-γ-butyrolactone, 97% 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 α-Bromo-γ-butyrolactone, 97% be shipped internationally?

Yes. α-Bromo-γ-butyrolactone, 97% 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.