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A11477 927-74-2 3-Butyn-1-ol, 98+% 4-Hydroxy-1-butyne Alfa Aesar


Certificate of Analysis

3-Butyn-1-ol, 98+%

CAS: 927-74-2 MDL: MFCD00002955  EINECS: 213-161-9
UN#:UN1987Hazard Class:3Packing Group:III
Alternate Name: 4-Hydroxy-1-butyne


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
5g 35.60 Check Availability Add to Favorites Enter qty and click checkbox
25g 102.00 Check Availability Add to Favorites Enter qty and click checkbox
250g 997.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C4H6O  Flash point: 36°(96°F)
Formula weight: 70.09  Density: 0.927
Melting point: -63° Refractive Index: 1.4405
Boiling point: 129-130° 

Literature References

For examples of Sonogashira coupling with aryl iodides in the presence of trans-Dichlorobis(triphenyl­phosphine)­palladium(II)­, 10491, CuI and Et3N in acetonitrile, see: J. Med. Chem., 38, 1837 (1995).

The triflate ester cyclizes on prolonged reaction with Na trifluoroacetate in TFA to give cyclobutanone: Org. Synth. Coll., 6, 324 (1988).

Other References

Beilstein: 773710
UN#: UN1987
Harmonized Tariff Code: 2905.29

GHS Hazard and Precautionary Statements

Hazard Statements : H226-H315-H319-H335

Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280G-P305+P351+P338

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

FlammableHarmful or Irritant

Risk & Safety

Risk Phrases: 10-36/37/38
Flammable. Irritating to eyes, respiratory system and skin.
Safety Phrases: 23-26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves.
RTECS: ES0710000