71496
磷酸钠 一元
purum p.a., anhydrous, ≥99.0% (T)
别名:
正磷酸二氢钠, 磷酸一钠, 磷酸二氢钠
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关于此项目
线性分子式:
NaH2PO4
化学文摘社编号:
分子量:
119.98
PubChem Substance ID:
eCl@ss:
38070208
UNSPSC Code:
12161700
NACRES:
NA.25
EC Number:
231-449-2
MDL number:
InChI key
AJPJDKMHJJGVTQ-UHFFFAOYSA-M
InChI
1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
SMILES string
[Na+].OP(O)([O-])=O
grade
anhydrous, purum p.a.
assay
≥99.0% (T)
form
crystals
pH
4.0-4.5 (25 °C, 50 mg/mL in H2O)
solubility
water: 0.5 g/10 mL, clear, colorless
anion traces
chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤500 mg/kg
cation traces
Ca: ≤200 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤300 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
application(s)
sample preparation
Quality Level
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General description
磷酸二氢钠是一种有效的口服渗透性泻药，浓度极低。用于结肠内镜检查前的结肠清洁。
Application
磷酸二氢钠已用于：
- 作为细胞培养基中的无机磷酸盐来源。
- 用于制备磷酸盐缓冲盐水。
- 用于制备葡萄糖测定中的磷酸盐缓冲液。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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