P-Hydroxybenzoic acid

Brief Description
CAS No.: 99-96-7 Other Names: 4-Hydroxybenzoic acid MF: C7H6O3
EINECS No.: 202-804-9 Type: Agrochemical Intermediates, Dyestuff Inte... 
Delivery Terms & Packaging
Packaging Detail:bag drum
Delivery Detail:15 days
Specifications
P-Hydroxybenzoic acid

1. P-Hydroxybenzoic Acid
2. Cas no.:99-96-7
3. white crystal powder
4. Purity 99.5% min
we can supply the products.

Specifications
P-Hydroxybenzoic acid

1. P-Hydroxybenzoic Acid
2. Cas no.:99-96-7
3. white crystal powder
4. Purity 99.5% min
5. 25 kg plastic knit bag

                                 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. 

Quality Specification:
Item
Specification
Polymer Grade
Technical Grade
Appearance
white crystal powder
white crystal powder
Purity(on dry base) % ≥
99.5
99.0
Melting Point °C
214-217
213-216
Odor
odorless
odorless
Solubility
Clear and transparent
clear and transparent
Loss on Drying % ≤
0.20
0.50
Color(Pt-Co) ≤
15
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
10
/
Sodium (Na+) ppm ≤
10
/
Iron (Fe) ppm ≤
10
/
Ca2++Mg2+ppm ≤
10
/