所有图片(1)
别名:
TSP, Trisodium phosphate (tert) 十二水合物, 磷酸三钠 十二水合物
线性分子式:
Na3PO4 · 12H2O
CAS号:
分子量:
380.12
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:
NACRES:
NB.24
等级
ACS reagent
puriss. p.a.
质量水平
检测方案
≥98.0% (T)
形式
crystals or chunks
杂质
≤0.001% total nitrogen (N)
≤2.5% free alkali (as NaOH)
pH值（酸碱度）
13 (25 °C, 190.1 g/L)
密度
1.62 g/mL at 25 °C
痕量阴离子
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子
As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
SMILES字符串
O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O
InChI
1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3
InChI key
ASTWEMOBIXQPPV-UHFFFAOYSA-K
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一般描述
正磷酸钠十二水合物是一种磷酸水合三钠盐。它广泛用于各种水处理方法。
应用
正磷酸钠十二水合物（SP 三碱十二水合物）可用于制备研究用缓冲溶液（pH 范围为 2 至 12）。它可用于制备浊点（CP）实验所需的 500mM SP（磷酸钠）缓冲溶液。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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