2-Butynoic acid

Name: 2-Butynoic acid
Brand: Zemixal
SKU: ZX-030557

Reference StandardAvailable on request

Buy 2-Butynoic acid (CAS 590-93-2) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-030557.

Pack sizes

CAS number590-93-2

FormulaC₄H₄O₂

Molar mass84.07 g/mol

Physical formSolid

HS code38229090

InChIKeyLUEHNHVFDCZTGL-UHFFFAOYSA-N

IUPAC namebut-2-ynoic acid

About 2-Butynoic acid

2-Butynoic acid belongs to the Genernal reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 590-93-2, formula C4H4O2 and molar mass 84.07 g/mol. It is handled as a solid.

Common uses in the lab and plant

Identification & assay
Method development & validation
QC reference material
Molecular biology workflows

Safe handling

Hazard communication follows GHS (Danger: H314 and H318). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Genernal

See every impurity, metabolite and related compound we list for this API.

Genernal standards

Typical uses

Identification & assay
Method development & validation
QC reference material
Molecular biology workflows

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 2-Butynoic acid
Product name	2-Butynoic acid
Catalogue number	ZX-030557
CAS number	590-93-2
IUPAC name	but-2-ynoic acid
Molecular formula	C₄H₄O₂
Molar mass	84.07 g/mol
Exact mass	84.0211
Grade	Reference Standard
Physical form	Solid
XLogP3	0.8
H-bond donors / acceptors	1 / 2
Topological polar surface area	37.3 Å²
HS code	38229090
InChIKey	LUEHNHVFDCZTGL-UHFFFAOYSA-N
SMILES	CC#CC(=O)O
PubChem CID	68535
Synonyms	Tetrolic acid, 1-Propynecarboxylic acid, 3-Methylpropiolic acid, butynoic acid, 2-butynic acid, 2-butylnoic acid, TetrolsA currencyure, propinecarboxylic acid, propynecarboxylic acid, small carboxylic acid 15

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Corrosive

Signal word Danger

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 2-Butynoic acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 2-Butynoic acid

Which CAS number identifies 2-Butynoic acid?

2-Butynoic acid is registered under CAS 590-93-2. You may also see it listed as Tetrolic acid, 1-Propynecarboxylic acid, 3-Methylpropiolic acid. Our catalogue number for this item is ZX-030557.

What are the formula and molar mass of 2-Butynoic acid?

For 2-Butynoic acid, its formula is C4H4O2 and its molar mass is 84.07 g/mol. The systematic (IUPAC) name is but-2-ynoic acid. InChIKey LUEHNHVFDCZTGL-UHFFFAOYSA-N lets you match it in any structure database.

How is 2-Butynoic acid used in pharmaceutical QC?

2-Butynoic acid is a characterised reference material linked to Genernal. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 2-Butynoic acid?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 2-Butynoic acid?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 2-Butynoic acid to my country?

Yes. Because 2-Butynoic acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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