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Category:Fine Chemicals > Other Fine Chemicals
Product Name:China Facotry Low Price Polymer Grade 4-hydroxybenzoic acid CAS 99-96-7
CAS No.:99-96-7
Standard:ChP, USP, BP, In-house Standards
Price(USD):31.30
Company:ZHEJIANG SHENGXIAO CHEMICALS CO.,LTD.
Grade: Industrial Grade
Factory Location: Quzhou Zhejiang China
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Monthly Production Capacity: 1800MT
Contract Manufacturing: CRO,CMO
Packaging Information: 25kg/bag, 500kg/ bag
Delivery Lead Time: 10 days
Sample Provided: yes
Payment Terms: T/T, L/C
p-Hydroxybenzoic Acid
Basic Information
Product number: SX1001
Chemical name: 4-Hydroxybenzoic acid
Molecular formula:C7H6O3
Molecular weight:138.12
CAS No. :99-96-7
EINECS No. :202-804-9
Physical and chemical properties
Molecular weight: 138.13
Density: 1.443g/cm3
Melting point: 213-214℃
Boiling point:336.2°C at 760 mmHg
Flash point:171.3°C
Appearance: white powdery crystal, no odor and taste.
Solubility: Easily soluble in hot water, alcohol, ether, and acetone, slightly soluble in cold water and benzene, insoluble in carbon disulfide.
Detailed Description
Quality standard: Q/SH 005-2014
Item |
Index |
|
Polymerization level |
Industrial grade |
|
Appearance |
White crystalline powder |
White crystalline powder |
Content (dry basis) %≥ |
99.6 |
99.0 |
Melting point ℃ |
214-217 |
212-216 |
Odor |
No odor |
No odor |
Solubility |
Clear and transparent |
Clear and transparent |
Drying loss %≤ |
0.20 |
0.50 |
Color (Pt-Co)≤ |
10 |
40 |
Ash content % ≤ |
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 ppm ≤ |
500 |
/ |
Methanol-insoluble matters ppm ≤ |
50 |
/ |
Potasium (K+) ppm |
5 |
/ |
Sodium (Na+) ppm ≤ |
5 |
/ |
Iron (Fe) ppm ≤ |
5 |
/ |
Calcium+Magnesium (Ca2++Mg2+)ppm ≤ |
10 |
/ |
Application
The product can be used as preservative, dye, pharmaceutical and injection intermediate. It is main raw material of liquid crystal polymer and raw material of pesticide intermediate.
Packing
Double-layer plastic woven bag, net weight is 25kg, or PP bag, net weight is 500kg/bag or 1000kg/bag.
*Special requirements can be negotiated.
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