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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


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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