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Sigma-Aldrich

Solfato di sodio

BioUltra, anhydrous, ≥99.0% (T)

Sinonimo/i:

Disodium sulfate, Sodium sulphate, Sulfuric acid disodium salt

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About This Item

Formula condensata:
Na2SO4
Numero CAS:
Peso molecolare:
142.04
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
ID PubChem:
NACRES:
NA.26

Grado

anhydrous

Nome Commerciale

BioUltra

Saggio

≥99.0% (T)

Forma fisica

powder or crystals

Impurezze

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

Perdita

≤0.2% loss on ignition, 900 °C

pH

5.0-7.5 (25 °C, 1 M in H2O)

Punto di fusione

884 °C (lit.)

Solubilità

H2O: 1 M at 20 °C, clear, colorless

Densità

2.68 g/mL at 25 °C (lit.)

Anioni in tracce

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

Cationi in tracce

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

Assorbanza UV

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

Stringa SMILE

[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
PMZURENOXWZQFD-UHFFFAOYSA-L

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Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


Certificati d'analisi (COA)

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