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API Process Intermediates & Related Compounds

2-Butynol

Reference StandardIn stock

Buy 2-Butynol (CAS 764-01-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-011999.

Pack sizes
2-Butynol chemical structure
CAS number764-01-2
FormulaC4H6O
Molar mass70.09 g/mol
Physical formSolid
Purity90.6%
InChIKeyNEEDEQSZOUAJMU-UHFFFAOYSA-N
IUPAC namebut-2-yn-1-ol

About 2-Butynol

Researchers and plant chemists source 2-Butynol from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 764-01-2, formula C4H6O and molar mass 70.09 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Handling and storage

It carries the GHS signal word Warning (H226, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Linagliptin

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

Linagliptin standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2-Butynol
Product name2-Butynol
Catalogue numberZX-011999
CAS number764-01-2
IUPAC namebut-2-yn-1-ol
Molecular formulaC4H6O
Molar mass70.09 g/mol
Exact mass70.0419
GradeReference Standard
Purity / assay90.6%
Physical formSolid
XLogP30.2
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
InChIKeyNEEDEQSZOUAJMU-UHFFFAOYSA-N
SMILESCC#CCO
PubChem CID12991
Synonyms1-Hydroxybut-2-yne, 2-Butynyl alcohol, 2-Butyn-1-ol, 3-Methylprop-2-yn-1-ol, 2-Butyne-1-ol, Hydroxymethylmethylacetylene, 2-Butyn-1-ol, 98%, 2-butyn-l-ol, 2-butyn1-ol, 2-butin-1-ol, CS-B1382

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

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H226Flammable liquid and vapor
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

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-Butynol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted 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-Butynol

Which CAS number identifies 2-Butynol?
2-Butynol is registered under CAS 764-01-2. You may also see it listed as 1-Hydroxybut-2-yne, 2-Butynyl alcohol, 2-Butyn-1-ol. Our catalogue number for this item is ZX-011999.
What are the formula and molar mass of 2-Butynol?
For 2-Butynol, its formula is C4H6O and its molar mass is 70.09 g/mol. The systematic (IUPAC) name is but-2-yn-1-ol. InChIKey NEEDEQSZOUAJMU-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Butynol used in pharmaceutical QC?
2-Butynol is a characterised reference material linked to Linagliptin. 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-Butynol?
This listing is Reference Standard grade with 90.6% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 2-Butynol?
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-Butynol to my country?
Yes. Because 2-Butynol 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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