水杨酸
分子式：C7H6O₃
分子量：138
CAS号：69-72-7
外观[3] ：白色粉末，允许略带黄色和粉红色
苯酚含量：≤0.20%
水分：≤0.40%(质量分数)
水杨酸的质量分数：≥99.0%
灰分：≤0.30%
干品初熔点：≥156.0℃
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水杨酸 | 分子式：C7H6O₃ 分子量：138 CAS号：69-72-7 外观[3] ：白色粉末，允许略带黄色和粉红色 苯酚含量：≤0.20% 水分：≤0.40%(质量分数) 水杨酸的质量分数：≥99.0% 灰分：≤0.30% 干品初熔点：≥156.0℃ |
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三苯基膦 | 分子式：C18H15P(是磷化氢的三苯取代物。 分子量：262.30 CAS号：603-35-0 分子构型：三角锥 外观：白色松散粉末状 三苯基膦含量wt%：≥ 99. 性状：白色松散粉末状，易溶于醇、苯和三氯甲烷；微溶于酯；几乎不溶于水，有毒，LD50 800mg/k... |
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