Manufacturer Best Quality 4 -Hydroxybenzoic Acid , CAS 99-96-7
Product Description
Manufacturer Best Quality 4-Hydroxybenzoic acid, CAS 99-96-7
CAS No.:99-96-7
Other Names:p-hydroxybenzoic acid
MF:C7H6O3
EINECS No.:202-804-9
Type:Antiparasitic Agents, Antipyretic Analgesics and NSAIDs
Grade Standard:food grade
Model Number:4-Hydroxybenzoic acid
Purity:99%
Product Description
P-hydroxybenzoic Acid is white crystal powder without any smell but is astringent. P-hydroxybenzoic Acid is easily dissolved in hot water, alcohol, ether; slightly dissolved in cold water, benzene, and not dissolved in carbon bisulfide. It is dissolved in 125 cold water and relative density is 1.46.
Specification of P-Hydroxybenzoic Acid
|
Item |
Specification |
|
|
Polymer Grade |
Technical Grade |
|
|
Appearance |
white crystal powder |
white crystal powder |
|
Purity(on dry base) % |
99.6 |
99.0 |
|
Melting Point |
214-217 |
212-216 |
|
Odor |
odorless |
odorless |
|
Solubility |
Clear and transparent |
clear and transparent |
|
Loss on Drying % |
0.20 |
0.50 |
|
Color(Pt-Co) |
10 |
40 |
|
Ash % |
0.02 |
0.15 |
|
Sulfate(SO42-) |
0.01 |
0.05 |
|
Chloride(Cl-) % |
0.005 |
0.02 |
|
Phe% |
0.01 |
0.10 |
|
Salicylic Acid % |
0.02 |
0.10 |
|
4-Hydroxyisophthalic Acid(HIPA) ppm |
500 |
/ |
|
Insolubles in Metha ppm |
50 |
/ |
|
Potassium(K+) ppm |
5 |
/ |
|
Sodium (Na+) ppm |
5 |
/ |
|
Iron (Fe) ppm |
5 |
/ |
|
Ca2++Mg2+ppm |
5 |
/ |
Usage of P-Hydroxybenzoic Acid
This product could be used an intermediate of antiseptics, dyestuff, medicine and injection molding. Nipagins could be gained by its esterfication with alcohol. It is also the main raw material for liquid crystal polymer and material for pesticide intermediates.
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