Model: | 化学纯 |
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Brand: | - |
Origin: | - |
Category: | Chemicals / Organic Chemical Materials / Pharmaceutical Chemicals |
Label: | Toluenesulfonic acid , Toluene-4-sulfonic a , PTSA |
Price: |
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Min. Order: | - |
Live Chat: | Last Online:02 Dec, 2010 |
Contact : dochemical(at)yahoo.com.cn
Specicfications:
Name | p-Toluenesulfonic acid monohydrate |
Synonyms | Toluene-4-sulfonic acid; 4-Methylbenzenesulfonic acid monohydrate; PTSA |
Molecular Structure | |
Molecular Formula | C7H8O3S.H2O;C7H10O4S |
Molecular Weight | 190.21 |
CAS Registry Number | 6192-52-5 |
Appearance | White Sheet Crystal |
Total Acidity (calculated as C7H8O3S.H2O) % | 98.0min |
Dissociative Acidity (calculated as H2SO4) % | 0.05max |
Residua % | 0.2max |
Melting point ℃(Crystal) | 103-105 |
Test of dissolving in ethanol | Pass |
Test of dissolving in waterl | Pass |