2-Hydroxybutyric Acid

Name: 2-Hydroxybutyric Acid
Brand: Vaqora Chemicals
SKU: VQ-049959

About 2-Hydroxybutyric Acid

Listed under CAS 565-70-8, 2-Hydroxybutyric Acid is a metabolite / degradant standard available from Vaqora Chemicals. With the molecular formula C4H8O3, it has a molar mass of 104.1 g/mol. Its systematic (IUPAC) name is 2-hydroxybutanoic acid. It is also known as alpha-Hydroxybutyric acid or 2-hydroxy-butanoic acid.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is used in metabolite identification, stability-indicating method development and impurity profiling, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Hydroxybutyric Acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Hydroxybutyric Acid
Catalogue No.	VQ-049959
CAS Number	565-70-8
IUPAC name	2-hydroxybutanoic acid
Molecular formula	C₄H₈O₃
Molecular weight	104.1 g/mol
Exact mass	104.0473
Grade	Reference Standard
HSN code	38229090
InChIKey	AFENDNXGAFYKQO-UHFFFAOYSA-N
SMILES	CCC(C(=O)O)O
PubChem CID	11266

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	alpha-Hydroxybutyric acid, 2-hydroxy-butanoic acid, dl-2-hydroxy-n-butyric acid, DL-2-Hydroxybutyric Acid, Butanoic acid, 2-hydroxy-, Butyric acid, 2-hydroxy-, Hydroxybutyric acid, .alpha.-Hydroxybutyric acid, .alpha.-Hydroxy-n-butyric acid, alpha-hydroxybutanoic acid, alpha-Hydroxy-n-butyric acid, S-2-hydroxybutyric acid

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, 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 2-Hydroxybutyric Acid?

The CAS Registry Number of 2-Hydroxybutyric Acid is 565-70-8. It is also known as alpha-Hydroxybutyric acid, 2-hydroxy-butanoic acid, dl-2-hydroxy-n-butyric acid.

What is the molecular formula and molecular weight of 2-Hydroxybutyric Acid?

2-Hydroxybutyric Acid has the molecular formula C4H8O3 and a molecular weight of 104.1 g/mol. Its IUPAC name is 2-hydroxybutanoic acid.

Which grade and pack sizes of 2-Hydroxybutyric Acid can I order?

We supply 2-Hydroxybutyric Acid 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 2-Hydroxybutyric Acid?

Yes. Every lot of 2-Hydroxybutyric Acid 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 2-Hydroxybutyric Acid be shipped internationally?

Yes. 2-Hydroxybutyric Acid 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.