产品名称
磷酸钠 二元, BioXtra, ≥99.0%
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
product line
BioXtra
assay
≥99.0%
form
powder or crystals
impurities
≤0.1% Insoluble matter
pH
8.0-11.0 (20 °C, 1 M in H2O)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%
cation traces
Al: ≤0.0005%
Ca: ≤0.002%
Cu: ≤0.0005%
Fe: ≤0.002%
K: ≤0.005%
Mg: ≤0.005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%
absorption
<0.05 at 260 in H2O at 1 M
<0.05 at 280 in H2O at 1 M
Quality Level
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Application
磷酸氢二钠已:
- 用作磷酸盐缓冲盐水(PBS)的组分
- 用作制备低温保存稀释剂的缓冲液的组分
- 用于制备用于甲苯胺蓝染色的McIlvaine缓冲液(柠檬酸磷酸盐缓冲液)
- 用于制备Ames测试用的S9混合物以及SOS显色测试
- 用于在CDHA支架制造过程中的缺钙羟基磷灰石(CDHA)糊剂的制备
Features and Benefits
- BioXtra产品系列可确保高质量产品的一致效果。
- 高水平的测定结果(≥99.0%)保证产品的纯度。
- 粉末形式,便于操作和使用。
General description
磷酸氢二钠(NaH2PO4),又称二磷酸二钠,是生物化学研究中常用的一种磷酸盐,具有很多用途。它是制备磷酸盐缓冲盐水(PBS)和磷酸盐缓冲液的关键组成成分,磷酸盐缓冲液是许多生物应用中常用的一种缓冲溶液。除了其缓冲性能之外,NaH2PO4还可用作沉淀剂,用于形成正磷酸银(Ag3PO4)粉末,使其成为许多实验室环境中的有用工具。二磷酸二钠也被广泛用于诸如奶酪等奶制品及其他食品中的乳化剂。
存储类别
11 - 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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