|
CAS#: 99-96-7
Formula: C7H6O3
Molecular Weight: 138.12
Molecular structure:
| Items |
Specifications |
| Liquid crystal grade |
Industrial grade |
| Appearance: |
white crystal powder |
white crystal powder |
| Color: |
< 30 APHA |
40APHA |
| Melting point(°C): |
214-217 |
213-217 |
| Solubility: |
clear, transparent, Colorless |
clear, transparent, Colorless |
Methanol insoluble matter
Ug/g |
≤ 50 |
|
| Assay (titration method) % |
≥ 99.5 |
≥ 99.0 |
| Assay (GC) % |
≥ 99.5 |
≥ 99.0 |
| Salicylic acid (GC) % |
≤ 0.02 |
≤ 0.10 |
| Benzene powder (GC) % |
≤ 0.01 |
≤ 0.10 |
| Loss on drying % |
≤ 0.20 |
≤ 0.50 |
| Ash % |
≤ 0.02 |
0.15 |
| Sulfate Ug/g |
≤ 50 |
≤ 500 |
| Chloride Ug/g |
≤ 50 |
≤ 200 |
| potassium ion Ug/g |
≤ 10 |
|
| Sodium ion Ug/g |
≤ 10 |
|
| Ferric ion Ug/g |
≤ 10 |
|
| |
Uses: used as antiseptic, dye, drug & plastic injection intermediate, or used in production of Nipagin Esters, high molecular Liquid crystal polymer and pesticide intermediate.
Packing: 25Kg in plastic bag lined woven bag. Kept in cool and dry place |
4-HYDROXYBEZOIC ACID
