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110-65-6 - 2-Butyne-1,4-diol, 98+% - 1,4-Dihydroxy-2-butyne - A14539 - Alfa Aesar

A14539 2-Butyne-1,4-diol, 98+%

CAS Number
110-65-6
Synonyms
1,4-Dihydroxy-2-butyne

Size Price ($) Quantity Availability
250g 19.08
1000g 50.04
5000g 151.20
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2-Butyne-1,4-diol, 98+%

MDL
MFCD00002915
EINECS
203-788-6

Chemical Properties

Formula
C4H6O2
Formula Weight
86.09
Melting point
54-58°
Boiling Point
194°/100mm
Flash Point
152°(305°F)
Solubility
Soluble in water, ethanol, acetone, methanol. Slightly soluble in ethyl ether and chloroform. Insoluble in benzene.

Applications

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.

Notes

Hygroscopic. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong acids and strong bases.

Literature References

Undergoes an interesting trans-addition reaction with Grignard reagents: Chem. Lett., 765 (1984):

Kotha, S.; Ali, R. Diversity-oriented approach to intricate bis-armed spirocycles involving a two directional [2+ 2+ 2] co-trimerization and the [4+ 2] cycloaddition reaction as key steps. Tetrahedron Lett. 2015, 56 (17), 2172-2175.

El’chaninov, M. M.; Pyatnitsyna, E. V.; El’chaninov, I. M. Step mechanism of 1-butanol formation in the course of liquid-phase catalytic hydrogenation of 2-butyne-1, 4-diol. Russ. J. Appl. Chem. 2015, 88 (4), 585-589.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H331-H312-H317-H314-H373

Toxic if swallowed. Toxic if inhaled. Harmful in contact with skin. May cause an allergic skin reaction. Causes severe skin burns and eye damage. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P261-P280-P301+P310-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1071237
Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2905.39
TSCA
Yes
RTECS
ES0525000

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