31481
硫酸钠
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.0%
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关于此项目
线性分子式:
Na2SO4
化学文摘社编号:
分子量:
142.04
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.22
等级
ACS reagent
puriss. p.a.
Agency
USP/NF
reag. ISO
reag. Ph. Eur.
方案
≥99.0%
表单
crystalline
杂质
≤0.0005% heavy metals (by ICP-OES)
≤0.0005% total nitrogen (N)
≤0.01% in water insoluble matters
≤0.03% free alkali (as NaOH)
≤0.05% free acid (as H2SO4)
缺失
≤0.5% loss on ignition, 800 °C
pH值（酸碱度）
5.2-8.0 (20 °C, 5%)
mp
884 °C (lit.)
密度
2.68 g/mL at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg
痕量阳离子
As: ≤1 mg/kg
Ca: ≤20 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Mg: ≤25 mg/kg
适用性
complies for appearance of solution
储存温度
2-8°C
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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储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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