詳細介紹
中文名稱:對硝基苯磷酸二鈉*
別名:對硝基苯磷酸二鈉;4-硝 基 苯 基磷酸二鈉鹽六水物;磷酸-4-硝基苯酯二鈉鹽
CAS號:4264-83-9
:021—60449724,
產品規格:1/5
級別:Reagent Grade
含量:≥98.0%
分子式:C6H4NNa2O6P · 6H2O= 371.14
Em (312nm, 0.15M AMP Buffer, pH 10.25):>9800
Inorganic Phosphate (% by Weight):≤1.0%
p-Nitrophenol:≤0.1%
物理性質:白色或淡黃色結晶粉末。熔點300℃,對光和濕敏感。溶于水,在25℃以上不穩定,其溶液緩慢分解。zui大吸收波長310nm。
用途:測定酸性和堿性磷酸酶(phosphatases)的顯色底物;反應能產生黃色的末端產物,在波長405nm可以讀取,該反應能被3 N NaOH溶液終止。
保存:-20℃,避光
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