4-Hydroxy benzoic acid Suppliers, 4-Hydroxy benzoic acid Manufacturers.
p-Hydroxybenzoic Acid
Chemical Name:p-hydroxybenzoic acid
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Structural Formula |
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS#:99-96-7
Physical & Chemical Properties: This product 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.
Quality 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 | / |
Usage: 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.
Package: It is packed with braided plastic bags within double PE linings. Each has net weight of 25 kg. Those packed with PP bag has its net weight of 500 kg/b or 1000 kg/b.
Company： |
JAMSON PHARMACHEM TECHNOLOGY CO.,LTD. |
E-mail： |
chem@netsun.com |
Address： |
Dashijie wujingcheng , 168,Jianding road, Hangzhou, China |
Zip Code： |
200085 |
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