Name | Specifications | Packing | Price | Delivery |
p-hydroxybenzoic acid monosodium salt | 99% | 500g | RMB 935 | Consulting service |
p-hydroxybenzoic acid monosodium salt | 99% | 100g | RMB 250.8 | Consulting service |
p-hydroxybenzoic acid monosodium salt | CP,98% | 100g | RMB 170.5 | Consulting service |
外观Appearance 白色至浅灰色结晶粉末
红外光谱鉴别Infrared spectrometry 符合
纯度Purity >99.0% (非水滴定)
水溶性实验Solubility in Water (1%溶液) 溶液透明
重金属Heavy metals ≤5ppm
干燥失重Loss on drying ≤0.5% (80℃,max.5torr,2 hrs)
项目 化学纯
(CP)
澄清度试验Clarity 合格
含量Assay ≥98%
硫酸盐Sulfate ≤0.02%
氯化物Chloride ≤0.005%
水不溶物Insoluble matter in water ≤0.01%
铁Iron(Fe) ≤0.002%
重金属Heavy Metals ≤0.002%
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