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2-Butyne-1,4-diol, 98+%
Description
2-Butyne-1,4-diol is used as a precursor to prepare 1,4-butanediol, 2-butene-1,4-diol and mucochloric acid. It is also used in textile additives, corrosion inhibitors, plasticizers, synthetic resins and polyurethanes. It is an important raw material of vitamin B6. Further, it is used for brightening, preserving and inhibiting nickel plating. In addition, it is used in biological studies for nematocidal activity.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
2-Butyne-1,4-diol is used as a precursor to prepare 1,4-butanediol, 2-butene-1,4-diol and mucochloric acid. It is also used in textile additives, corrosion inhibitors, plasticizers, synthetic resins and polyurethanes. It is an important raw material of vitamin B6. Further, it is used for brightening, preserving and inhibiting nickel plating. In addition, it is used in biological studies for nematocidal activity.
Solubility
Soluble in water, ethanol, acetone, methanol. Slightly soluble in ethyl ether and chloroform. Insoluble in benzene.
Notes
Hygroscopic. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong acids and strong bases.

Specifications
Specifications
Melting Point | 54°C to 58°C |
Boiling Point | 194°C (100 mmHg) |
Flash Point | 152°C (305°F) |
Linear Formula | HOCH2C≡CCH2OH |
Quantity | 250 g |
UN Number | UN2716 |
Beilstein | 1071237 |
Solubility Information | Soluble in water,ethanol,acetone,methanol. Slightly soluble in ethyl ether and chloroform. Insoluble in benzene. |
Formula Weight | 86.09 |
Percent Purity | ≥98% |
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Safety and Handling
Hazard Category | H301+H311+H331-H314-H317-H335-H373 |
Hazard Statement | GHS H Statement H301-H331-H314-H373-H312-H317 Toxic if swallowed. Toxic if inhaled. Causes severe skin burns and eye damage. May cause damage to organs through prolonged or repeated exposure. Harmful in contact with skin. May cause an allergic skin reaction. |
Precautionary Statement | P260-P264b-P270-P271-P272-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P501c |
DOTInformation | Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: 1,4-BUTYNEDIOL |
EINECSNumber | 203-788-6 |
RTECSNumber | ES0525000 |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
RUO – Research Use Only
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