Key Documents

View All Documentation

13462

Sodium sulfate

Name: Sodium sulfate
Brand: SIAL

technical, anhydrous, ≥99%

Select a Size

Change View

About This Item

Linear Formula:

Na₂SO₄

CAS Number:

7757-82-6

Molecular Weight:

142.04

EC Number:

231-820-9

UNSPSC Code:

12352300

MDL number:

MFCD00003504

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

grade

technical

assay

≥99%

impurities

≤0.005% heavy metals (as Pb), ≤0.1% free alkali (as NaOH), ≤0.2% free acid (as H₂SO₄)

loss

≤0.2% loss on drying, 130 °C

mp

884 °C (lit.)

density

2.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤200 mg/kg

cation traces

Fe: ≤50 mg/kg

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

Description

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Still not finding the right product?

Explore all of our products under Sodium sulfate

Storage Class

13 - Non Combustible Solids

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library