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Help CenterGood Quality P-hydroxybenzoic Acid With Nice Price
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P-hydroxybenzoic acid Index:
Structure: |
||
CAS: |
99-96-7 |
|
Molecular formula: |
C7H6O3 |
|
Molecular weight: |
138.13 |
|
project |
Quality Index |
|
Liquid crystal level |
Industrial grade |
|
Exterior: |
White crystal powder |
White crystal powder |
Melting point::℃ |
214-217 |
212-217 |
Content (titration method):% |
≥99.5 |
≥99.0 |
Content (HPLC):% |
≥99.5 |
≥99.0 |
Salicylic acid (HPLC):% |
≤0.02 |
≤0.10 |
4-hydroxyisophthalic acid% |
≤0.05 |
|
Phenol (HPLC):% |
≤0.01 |
≤0.10 |
Color: |
20APHA |
<40APHA |
Loss on drying:% |
≤0.20 |
≤0.50 |
Ash content:% |
≤0.02 |
≤0.15 |
Sulfate: ug / g |
≤100 |
≤500 |
Chloride: ug / g |
≤50 |
≤200 |
Potassium: ug / g |
≤5 |
|
Sodium ion: ug / g |
≤5 |
|
Iron ion: ug / g |
≤5 |
|
Methanol insoluble: ug / g |
≤50 |
|
Solubility: |
Clear transparent colorless |
Clear transparent colorless |
performance: |
This product is an important raw material for the polymerization of polymer liquid crystal on the basis of ordinary p-hydroxybenzoic acid, and then re-treatment, processing and refining. |
The goods to phenol and caustic potash salt reaction, and then carbon dioxide carboxylation reaction, acid system in the system. White crystalline powder, soluble in alcohol, ether and acetone. Can be used for organic synthesis, for the synthesis of pesticides, dyes, medicine, anti-corrosion and other uses |
P-hydroxybenzoic acid Uses:
As the basic raw material of fine chemical products, p-hydroxybenzoic acid has been widely used as a preservative for food, medicine and cosmetics. It is also widely used in the preparation of various dyes, Fungicides, color film and a variety of oil-soluble couplers, etc., with a wide range of uses of new high-temperature polymer p-hydroxybenzoic acid polyester is also used as the basic raw material.
25kg/bag, 500kg/bag, 1000kg/bag) is packed in two-layer bag with plastic bag for inner packaging, woven bag for external packaging or according to customers' requires.
We ensure that we can provide you with timely shipment, best possible service, responsible and customized packing and guarantee that the goods arrive clean, neat and tidy, arrive to your satisfaction.
Ningxia Biyuan Activated Carbon Co.,Ltd. is a professional manufacturer which has already had about eight years history of different filter media water production and domestic trade. Now we devotes to develop our international trade. Our main products include activated carbon, polyacrylamide, polyaluminium chloride, zeolite, manganese sand. anthracite filter, and so on. We insists the principle of " Integrity Management, High Quality, Good Service " to promote our rapid development.
Why chooce your company?
We are corncob granule factory.
Our factory and our export company are the same boss.
We can quote the lowest price.
You can visit our factory to let you know well us.
Do you have a stable supply capacity?
Yes,of course!Our boss has built two factories to meet our long buiness partners' need.
Every year we order the raw material in advance from our local farmers.
Usually we keep thousands of tons of raw materials in our store house.
Can provide sample?
Yes,we can provide free sample to let you test our quality.
Send Inquiry to This Supplier
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