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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-Nummer
110-65-6
Synonyme
1,4-Dihydroxy-2-butyne

Größe Preis ($) Menge Verfügbarkeit
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

Chemische Eigenschaften

Formel
C4H6O2
Molmasse
86.09
Schmelzpunkt
54-58°
Siedepunkt
194°/100mm
Flammpunkt
152°(305°F)
Löslichkeit
Soluble in water, ethanol, acetone, methanol. Slightly soluble in ethyl ether and chloroform. Insoluble in benzene.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

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 Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): 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.

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
1071237
Gefahrenklasse
6.1
Verpackungsgruppe
III
Harmonized Tariff Code
2905.39
TSCA
Yes
RTECS
ES0525000

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