3-Hexyn-2,5-diol CAS 3031-66-1

CAS:3031-66-1
Molecular Formula:C6H10O2
Molecular Weight:114.14
EINECS:221-209-5

Synonyms:BIS(1-HYDROXYETHYL)ACETYLENE; 3-HEXYNE-2,5-DIOL, DL AND MESO; 3-HEXYNE-2,5-DIOL; 3-hexyn-2,5-diol; Di(1-hydroxyethyl)acetylene; 3-HEXYNE-2,5-DIOL, 97%, MIXTURE OF (+/-) -AND MESO ISOMERS; 3-Hexyne-2,5-diol, dl + meso, 97%; NISTC3031661; 3-Hexin-2,5-diol; Hexyne-3-diol-2,5; (2R,5R)-3-hexyne-2,5-diol

What is 3-Hexyn-2,5-diol CAS 3031-66-1？

3-Hexyn-2,5-diol has a light yellow oily color and is soluble in chloroform (a small amount) and methanol (a small amount). It is used as a secondary brightener for bright and semi bright nickel plating solutions

Specification

Item	Specification
Boiling point	121 °C15 mm Hg(lit.)
Density	1.009 g/mL at 25 °C(lit.)
Melting point	42 °C(lit.)
flash point	>230 °F
resistivity	n20/D 1.473(lit.)
Storage conditions	2-8°C

Application

3-Hexyn-2,5-dio is used as a brightener additive in the electroplating industry and as an inhibitor of aluminum anodization. As a secondary brightener for bright and semi bright nickel plating solutions, its usage concentration ranges from 0.1-0.3g/l