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CAS NO:
99-96-7
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Other Fine Chemicals
ISO & KOSHER Certified Factory offer P-Hydroxybenzoic Acid (PHBA) CAS 99-96-7
ISO & KOSHER Certified Factory offer P-Hydroxybenzoic Acid (PHBA) CAS 99-96-7
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ZHEJIANG SHENGXIAO CHEMICALS CO.,LTD.
12
Years
Basic Info
CAS Number
99-96-7
Pharmacopoeia
ChP,USP,BP,In-house Standards
Grade
Industrial Grade
Is Manufacturer
No
Samples Provided
YES
Sample Policy
Sample free, freight to be born by the buyer
Packaging & Delivery
Packaging Specification
25kg/bag, 500kg/ bag
Minimum Order Quantity
25kg
Delivery Cycle
10 days
Product Description
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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