5-HEXYN-3-OL

Synonym(s):1-Hexyn-4-ol;4-Hydroxy-1-hexyne

CAS NO.：19780-84-8
Empirical Formula: C6H10O
Molecular Weight: 98.14
MDL number: MFCD00041593
EINECS: 243-304-0
SAFETY DATA SHEET (SDS)
Update Date: 2023-07-14 17:32:59

What is 5-HEXYN-3-OL?

Purification Methods

Purify the hexynol by fractionation in a vacuum. The carbamoyl derivative (prepared by reaction with COCl2/toluene followed by NH3) is crystallised by dissolving in the minimum volume of toluene and adding excess of pet ether (b 40-60o ) and has m 70-71o. [L.nger et al. Helv Chim Acta 42 2379 1959, Beilstein 1 IV 2235.]

Properties of 5-HEXYN-3-OL

Melting point:	-34°C (estimate)
Boiling point:	73-76°C 60mm
Density	0.886 g/mL at 25 °C
refractive index	1.4430
Flash point:	21°C
storage temp.	2-8°C
form	clear liquid
pka	14.29±0.20(Predicted)
color	Colorless to Light orange to Yellow
BRN	1698904
EPA Substance Registry System	5-Hexyn-3-ol (19780-84-8)

Safety information for 5-HEXYN-3-OL

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H226:Flammable liquids H302:Acute toxicity,oral H318:Serious eye damage/eye irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.