What is the 2-Butyne-1,4-diol?

2-Butyne-1,4-diol is white to light-brown solid or brownish-yellow aqueous solution, while it's Molecular Formula is C4H6O2. white to light-brown solid or brownish-yellow aqueous solution 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.

What is the CAS number for 2-Butyne-1,4-diol?

The CAS number of 2-Butyne-1,4-diol is 110-65-6.

What is the 2-Butyne-1,4-diol?

2-Butyne-1,4-diol is white to light-brown solid or brownish-yellow aqueous solution, while it's Molecular Formula is C4H6O2. white to light-brown solid or brownish-yellow aqueous solution 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.

What is the CAS number for 2-Butyne-1,4-diol?

The CAS number of 2-Butyne-1,4-diol is 110-65-6.

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110-65-6

Q: What is 2-Butyne-1,4-diol (110-65-6) used for?

InChI:InChI=1/C4H6O2/c1-2-3-4(5)6/h4-6H,1H3

Product Name：1,4-Butylene glycol
Molecular Formula：C₄H₆O₂
Purity：99%
Molecular Weight：86.0904

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Molecular Formula:C4H6O2
Molecular Weight:86.0904
Appearance/Colour:white to light-brown solid or brownish-yellow aqueous solution
Vapor Pressure:<0.1 mm Hg ( 55 °C)
Melting Point:54 °C
Refractive Index:1.4804
Boiling Point:260.202 °C at 760 mmHg
PKA:12.72±0.10(Predicted)
Flash Point:135.558 °C
PSA：40.46000
Density:1.181 g/cm³
LogP:-1.02560

2-Butyne-1,4-diol(Cas 110-65-6) Usage

Application	Intermediate; corrosion inhibitor; electroplating brightener; defoliant ; polymerization accelerator; stabilizer for chlorinated hydrocarbons; cosolvent for paint and varnish removal.
Definition	ChEBI: A butynediol that is but-2-yne substituted by hydroxy groups at positions 1 and 4.
General Description	White to light-brown solid or brownish-yellow aqueous solution. Solid sinks and mixes with water.
Air & Water Reactions	Water soluble.
Hazard	Toxic by ingestion. May explode on con- tamination with mercury salts, strong acids, and alkaline earth hydroxides and halides at high tem- peratures.
Health Hazard	2-Butyne-1,4-diol exhibits moderate to hightoxicity in test animals. It is about 10 timesmore toxic than are the saturated C4 diols.The oral LD50 value in rats is 0.125 mL/kg.It causes irritation to the skin.
Fire Hazard	Noncombustible solid, flash point (open cup) 152°C (305.6°F). It is stable at room temperature. But the dry compound explodes in the presence of certain heavy metal salts, such as mercuric chloride. Heating with alkaline solution may result in an explosion.
Flammability and Explosibility	Nonflammable
Safety Profile	A poison by ingestion. A skin sensitizer upon long or repeated contact. Moderately explosive. When heated to decomposition it emits acrid smoke and fumes and may explode. Explosive reaction with traces of alkaltes, alkali earth hydroxides, halide salts, strong acids, mercury salts + strong acids. See also ACETYLENE COMTOUNDS.
Synthesis	2-butyne-1,4-diol is carried out by reaction under pressure of acetylene and an aqueous solution of formaldehyde, catalyzed by copper acetylide.
Purification Methods	Crystallise the diol from EtOAc. [Beilstein 1 IV 2687.]