技术规格说明书
产品名称
烟酸 ≥99.5% (HPLC)
产品编号
72309
产品品牌
sigma
化学文摘社编号
59-67-6
分子量
123.11
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder |
| PURITY (HPLC AREA %) | ≥ 99.5 % |
| MELTING POINT | 234 - 238 C |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | 0.1G IN 10ML WATER |
| PH | 3.0 - 4.0 |
| WATER | ≤ 0.2 % |
| RESIDUE ON IGNITION | ≤ 0.05 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |