Chongqing Roadbuilding New Material Technology Co., Ltd. |
Verified Suppliers
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Item | Pharmaceutical grade Ⅰ | Pharmaceutical grade Ⅱ | General grade |
Melting point, ℃ | 47.5~49.0 | 47.0~49.0 | |
Purity, %≥ | 99.80 | 99.00 | 99.00 |
Low boiling material, %≤ | 0.10 | 0.10 | - |
High boiling matter 1, %≤ | ≤ 0.02 | 0.03 | - |
High boiling 2, % ≤ | 0.02 | 0.05 | - |
High boiling 3, % ≤ | 0.15 | 0.20 | - |
Benzene, % ≤ | 0.03 | 0.04 | - |
Colour phase number (APHA) ≤ | 40 | 50 | 70 |