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| 4.P-methyl-meroapto-m-cresol |
a. Molecular formula: C8H10OS
| b. Structural formula: |
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c. Molecular weight: 154
d. Character: Rosiness 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 |
Rosiness crystal powder |
| Purity |
≥97% |
| Content of water |
=0.3% |
| Melting point |
54? |
Package: 25KG to each paper barrel.
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| 5.2,3-pyrazinedicarboxylic acid |
a. Molecular formula: C6H4N2O4
| b. Structural formula: |
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c. Molecular weight: 168
d. Character: White or white-like crystal powder, soluble in water, slightly soluble in organic solvent like ethanol and aether.
e. Usage: The product is used as the intermediate of pyrazinedicarboxylic acid amide.
f. Quality standards:
| Appearance |
White or white-like crystal powder |
| Purity |
≥99% |
| Content of water |
≤0.3% |
Package: 25KG to each paper barrel.
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| 6.Fenthion |
a. Molecular formula: C10H15O3PS2
| b.Structural formula: |
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c. Molecular weight: 278
d. Character: Slightly yellow to brown clear liquid, slightly soluble in water, soluble in organic solvent like ethanol and acetone, The specific gravity is 1.25(20?),boiling point is 87?(0.01mmHg)
e.Usage: The product is used as the pesticide with wide effect, quick result and ling period of remnant effect.
f. Quality standards:
| Item |
First-grade |
Second-grade |
Milk Oil |
| Appearance |
Slight yellow to brown clear liquid |
Slight yellow clear liquid |
| Purity |
≥95% |
≥90% |
>50% |
| Content of water |
<0.1 |
<0.1 |
<0.1 |
| Acidity(H2SO4) |
<0.1 |
<0.1 |
<0.1 |
Package: 200KG to each iron barrel.
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| Total 4 pages ,current page2,Pervious,Next |
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