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Merck
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文件

71507

Sigma-Aldrich

磷酸钠 一元 一水合物

BioXtra, for molecular biology, ≥99.5% (T)

别名:

磷酸一钠, 磷酸二氢钠 一水合物

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About This Item

线性分子式:
NaH2PO4 · H2O
CAS号:
10049-21-5
分子量:
137.99
EC號碼:
231-449-2
MDL號碼:
MFCD00149208
分類程式碼代碼:
12161700
PubChem物質ID:
57652312
NACRES:
NA.25

等級

for molecular biology

產品線

BioXtra

化驗

≥99.5% (T)

形狀

crystals

雜質

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected
≤0.001% total nitrogen (N)

pH值

4.0-4.5 (25 °C, 1 M in H2O)

溶解度

H2O: 1 M, clear, colorless

負離子痕跡

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 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
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

&lambda ；

1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.03
λ: 280 nm Amax: ≤0.02

SMILES 字串

[Na+].[H]O[H].OP(O)([O-])=O

InChI

1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1

InChI 密鑰

BBMHARZCALWXSL-UHFFFAOYSA-M

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應用

磷酸二氢钠一水合物已被用作磷酸盐缓冲液的成分，以维持胶原凝胶和基质制备的 pH 值。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

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