1-Naphthol
Price:元45000
/千克
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Description
Additional Information
| Alias | 1-Naphthol (α-Naphthol) |
| Domestic Patent Application Number | 200410064819 |
| Structural Formula | |
| Molecular Weight | 144.17 |
| Molecular Formula | C10H8O |
| Physical Properties | Light yellow or grayish-white flaky solid. Flammable, toxic. Has a phenolic odor. Color may gradually darken during storage. Should be stored in a cool, dry place away from light. |
| Uses | This product is a basic raw material or intermediate for dyes, pharmaceuticals, pesticides, fragrances, and rubber antioxidants, as well as a color coupler for color photographic film. |
| Specification: Regular | Indicator Name Premium Grade (Pesticide) First Grade (Industrial) Appearance Light grayish-white to light yellow flaky crystals (color darkening allowed during storage) Purity % ≥99.5 96 Crystallization Point ℃ ≥94.5 91.5 2-Naphthol % ≤0.5 4.5 Moisture % ≤0.1 --- Low Boilers % ≤0.1 --- High Boilers % ≤0.1 --- Non-Volatiles % ≤0.1 --- |
| Specification: Premium Grade | Indicator Name Super Premium Grade (Pharmaceutical) Ultra-Pure Grade (Pharmaceutical) Appearance Light grayish-white to light yellow flaky crystals (color darkening allowed during storage) State in Alkaline Solution Clear and transparent Purity % ≥99.9 99.9 99.9 99.9 99.9 99.9 99.9 Crystallization Point ℃ ≥94.5 94.5 94.5 94.5 94.5 94.5 94.5 2-Naphthol ≤(mg/kg) 1000 500 300 200 100 50 30 Moisture % ≤0.1 0.1 0.1 0.1 0.1 0.1 0.1 Low Boilers % ≤0.1 0.1 0.1 0.1 0.1 0.1 0.1 High Boilers % ≤0.1 0.1 0.1 0.1 0.1 0.1 0.1 Non-Volatiles % ≤0.1 0.1 0.1 0.1 0.1 0.1 0.1 |
| Packaging | Net weight 50kg, woven bag lined with plastic film |
| Industry Category | Chemicals |
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| Origin: | China / Zhejiang / Hangzhoushi |
