2-Butyne-1,4-diol
2-Butyne-1,4-diol (CAS 110-65-6) is a versatile organic compound with the molecular formula HOCH2C≡CCH2OH and a molecular weight of 86.09 g/mol. This diol features a central alkyne group, offering unique reactivity for chemical synthesis. It serves as a crucial building block in the production of various organic chemicals, polymers, and specialty materials, finding utility in industrial and research applications.
- Synonyms
- HOCH2C≡CCH2OH1,4-ButynediolBut-2-yne-1,4-diol
Organic Synthesis Intermediate
2-Butyne-1,4-diol is a key intermediate in the synthesis of more complex organic molecules. Its alkyne functionality allows for diverse reactions, including addition, cycloaddition, and hydrogenation, leading to a wide range of derivatives.
Polymer Production
The diol structure makes it suitable for incorporation into polymer chains, contributing to the development of specialty polymers and resins. It can be used in polycondensation reactions to form polyesters or polyurethanes with specific properties.
Corrosion Inhibitors
Derivatives of 2-butyne-1,4-diol have been investigated and used as effective corrosion inhibitors, particularly in acidic environments for steel and other metals.
Pharmaceutical and Agrochemical Intermediates
It serves as a valuable building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and agrochemicals, enabling the construction of intricate molecular frameworks.
| Molecular weight | 86.09 |
|---|---|
| Linear formula | HOCH2C≡CCH2OH |
| Assay | 99% |
| Boiling point | 238 °C(lit.) |
| Vapour pressure | <0.1 mmHg (55 °C) |
| Melting point | 53-58 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 152 °C / 305.6 °F |
| Transport (UN / ADR) | UN 2716 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T,C |
| Risk statements (R) | 21-23/25-34-43-48/22 |
| Safety statements (S) | 25-26-36/37/39-45-46 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Butyne-1,4-diol used for?
+
2-Butyne-1,4-diol is primarily used as an intermediate in organic synthesis, a building block for polymers, a component in corrosion inhibitors, and in the production of pharmaceuticals and agrochemicals.
What is the CAS number and formula for 2-Butyne-1,4-diol?
+
The CAS number is 110-65-6, and its linear formula is HOCH2C≡CCH2OH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Butyne-1,4-diol with an assay of 99%. This is a technical grade and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
What are the primary safety hazards associated with 2-Butyne-1,4-diol?
+
2-Butyne-1,4-diol is classified as acutely toxic if swallowed or inhaled, causes severe skin burns and eye damage, and may cause an allergic skin reaction and damage to organs through prolonged or repeated exposure. Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection, must be used.
How is 2-Butyne-1,4-diol packed, shipped, and exported?
+
2-Butyne-1,4-diol is packed and shipped in compliance with international regulations for hazardous materials. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide.
How can I request a sample or quote for 2-Butyne-1,4-diol?
+
To request a sample or obtain a quote, please contact the Tech Serve Solutions sales department through our website or by phone, providing the product name and CAS number (110-65-6).
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis