high quailty 501-94-0 4-hydroxyphenethyl alcohol good suppiler /cost
product name |
2-(4-hydroxyphenyl)ethanol |
cas no |
501-94-0 |
structure |
|
molecular formula |
c8h10o2 |
batch no |
20181130 |
manufacturing date |
20181130 |
shelf life |
1 years |
index name |
specification |
result |
appearance |
white or almost white crystalline powder |
conforms |
melting point |
91-93℃ |
91.5-92.5℃ |
assay |
99.5%min |
99.93% |
any single isomers |
0.2%max |
conforms |
loss on drying |
0.5%max |
0.06% |
relative density |
0.992-0.996 |
0.995 |
identification |
chemical reaction:the solution is light blue. |
conforms |
uv spectrum:the maximum absorption should be at 247nm, 252nm, 258nm and 264 nm. |
conforms |
|
infrared spectrum:corresponding to reference spectrum |
conforms |
|
conclusion |
conforms to the standard of enterprise |