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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
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
| 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 |
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
Usually packed in 25kg/drum,and also can be do customized package.
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