- Product Details
Keywords
- PHBA
- P-Hydroxybenzoic Acid
- 4-Hydroxybenzoic Acid
Quick Details
- ProName: P-Hydroxybenzoic Acid / 99-96-7 / PHBA...
- CasNo: 99-96-7
- Application: 4-Hydroxybenzoic Acid / p-Hydroxybenzo...
- ProductionCapacity: Metric Ton/Day
- Purity: 99
- LimitNum: 0 Metric Ton
Superiority
99-96-7 / PHBA / P-Hydroxybenzoic Acid / 4-Hydroxybenzoic Acid
Product Name: P-Hydroxybenzoic Acid / 4-Hydroxybenzoic Acid
Other Name: Para Hydroxybenzoic Acid / PHBA
Molecular Formula: C7H6O3
Molecular Weight: 138.12
CAS#: 99-96-7
Physical & Chemical Properties:Para-Hydroxybenzoic Acid is white crystal powder without any smell but is astringent. it is easily dissolved in hot water, alcohol, ether, acetone; 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
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 |
Phenol % |
0.01 |
0.10 |
Salicylic Acid % |
0.02 |
0.10 |
4-Hydroxyisophthalic Acid(HIPA) ppm |
500 |
/ |
Insolubles in Methanol ppm |
50 |
/ |
Potassium(K+) ppm |
5 |
/ |
Sodium (Na+) ppm |
5 |
/ |
Iron (Fe) ppm |
5 |
/ |
Ca2++Mg2+ppm |
5 |
/ |