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Refined Naphthalene: also known as Naphthalene (Refined), English name :Refined Naphthalene
UN number.:1334
CAS 91-20-3
Molecular formula C10H8
Molecular weight 128.16
white volatile crystal, has a mild aroma, crude naphthalene has coal tar odor; Steam pressure 0.13kPa/52.6 flash point :80; Melting point 80.1 boiling point 217.9; Insoluble in water, soluble in anhydrous ethyl ether benzene, relative density (water =1)1.16; Relative density (air =1)4.42; 4. Stability; Danger mark :8
(flammable solid); Main uses: used to manufacture dyestuff intermediate leather wood protective agent
Product name | Refined Naphthalene CAS No. 91-20-3 |
Batch No. | Aozun-015 | Mfg Date | June 16-2019 |
Test items | Specification | Results |
Appearance | Snow white | Snow white |
Purity | ≥99.0% | 99.13% |
Non-volatile matter | ≤0.02% | 0.01% |
Ash | ≤0.006% | 0.001% |
Crystallizing point | 79.6-79.8°C | 79.8°C |
Melting point | 79-83°C | 82°C |
Boiling point | 217-221°C | 218°C |
Flash point
| 78-79°C | 78-86°C |
Conclusion | The product conforms to standard |
Refined naphthalene is a typical organic chemical raw material, widely used in the production of dye intermediates and resins industry, , rubber and other industries, the production of lipids carbamate insecticides, 1-naphthol, H acid essential raw material, which is the largest amount for 2-naphthol and H acid production, accounting for 80% of total domestic demand.
It is also the main raw material of methballs
China
