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Merck
CN

71959

Sigma-Aldrich

硫酸钠

BioUltra, anhydrous, ≥99.0% (T)

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别名:
Disodium sulfate, Sodium sulphate, Sulfuric acid disodium salt
线性分子式:
Na2SO4
CAS号:
分子量:
142.04
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.26

等级

anhydrous

质量水平

产品线

BioUltra

检测方案

≥99.0% (T)

形式

powder or crystals

杂质

insoluble matter, passes filter test
≤0.0005% total nitrogen (N)

缺失

≤0.2% loss on ignition, 900 °C

pH值(酸碱度)

5.0-7.5 (25 °C, 1 M in H2O)

mp

884 °C (lit.)

溶解性

H2O: 1 M at 20 °C, clear, colorless

密度

2.68 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Li: ≤5 mg/kg
Mg: ≤20 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

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.020
λ: 280 nm Amax: 0.018

SMILES字符串

[Na+].[Na+].[O-]S([O-])(=O)=O

InChI

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

PMZURENOXWZQFD-UHFFFAOYSA-L

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WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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