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71959

硫酸钠

Name: 硫酸钠
Brand: SIGMA

BioUltra, anhydrous, ≥99.0% (T)

别名:

Disodium sulfate, Sodium sulphate, Sulfuric acid disodium salt

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关于此项目

线性分子式:

Na₂SO₄

化学文摘社编号:

7757-82-6

分子量:

142.04

NACRES:

NA.26

PubChem Substance ID:

57652381

UNSPSC Code:

12352302

EC Number:

231-820-9

MDL number:

MFCD00003504

Assay:

≥99.0% (T)

Grade:

anhydrous

Form:

powder or crystals

Solubility:

H₂O: 1 M at 20 °C, clear, colorless

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属性

grade

anhydrous

Quality Segment

100

product line

BioUltra

assay

≥99.0% (T)

form

powder or crystals

impurities

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

loss

≤0.2% loss on ignition, 900 °C

pH

5.0-7.5 (25 °C, 1 M in H₂O)

mp

884 °C (lit.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

density

2.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤20 mg/kg

cation traces

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

UV absorption

λ: 260 nm A_max: 0.020, λ: 280 nm A_max: 0.018

SMILES string

[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

说明

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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c