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| 1. P-methyl-meroapto-phenol |
a. Molecular formula: C7H8OS
| b. Structural formula: |
 |
c. Molecular weight: 140
d. Character: White or white-like crystal powder, has special smell, soluble in methanol and ethanol, and insoluble in water, easy to be oxidized by air.
e.Usage: The product is used as the intermediate of organic compound.
f. Quality standards:
| Appearance |
White or white-like crystal powder |
| Purity |
≥97% |
| Content of water |
≤0.3% |
Package: 25KG to each paper barrel.
|
| 2. DL-napnosyn |
a. Molecular formula: C14H14O3
| b. Structural formula: |
 |
c. Molecular weight: 230
d.Character: White or white-like crystal powder, slightly soluble in water, soluble in ethanol and acetone.
e. Usage: The product is used as the intermediate of medicine of napnosyn.
f. Quality standards(ALFA Standard):
| Appearance |
White or white-like crystal powder |
| Purity |
≥99% |
| Content of water |
≤0.3% |
| Melting point |
154~158c° |
Package: 25KG to each paper barrel.
|
| 3.O-methyl-salicylic acid |
a. Molecular formula: C8H8O3
| b. Structural formula: |
 |
c. Molecular weight:152.15
d. Character: White or white-like crystal powder, slightly soluble in ethanol and water, stabilized in the air.
e. Usage: The product is used as the intermediate of organic compound and dye.
f. Quality standards(Japanese Standard):
| Appearance |
White or white-like crystal powder |
| Purity |
≥99% |
| Content of water |
≤0.3% |
| Melting point |
164~168c° |
Package: 25KG to plastic woven bag.
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| Total 4 pages ,current page 1,Next |
