Skip to Content
MilliporeSigma
All Photos(1)

Documents

71959

Sigma-Aldrich

Sodium sulfate

BioUltra, anhydrous, ≥99.0% (T)

Synonym(s):

Disodium sulfate, Sodium sulphate, Sulfuric acid disodium salt

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
Na2SO4
CAS Number:
7757-82-6
Molecular Weight:
142.04
EC Number:
231-820-9
MDL number:
MFCD00003504
UNSPSC Code:
12352302
PubChem Substance ID:
57652381
NACRES:
NA.26

grade

anhydrous

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 (PO43-): ≤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 Amax: 0.020
λ: 280 nm Amax: 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

Looking for similar products? Visit Product Comparison Guide

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Teppei Adachi et al.
Inflammatory bowel diseases, 21(1), 31-39 (2014-12-02)
Expression of heat shock protein A4 (HSPA4, also called Apg-2), a member of the HSP110 family, is induced by several forms of stress. The physiological and pathological functions of HSPA4 in the intestine remain to be elucidated. We assessed HSPA4
Clément Cartier et al.
Water research, 47(2), 661-671 (2012-11-24)
Release of lead from 80% partially replaced service lines was compared to full lead service lines using harvested-stabilized lead pipes and field brass connectors. After more than a year of stabilization, lead release was consistent with field samples. Over the
Roosmarijn E Vandenbroucke et al.
Nature reviews. Drug discovery, 13(12), 904-927 (2014-11-08)
Matrix metalloproteinases (MMPs) are zinc-dependent endopeptidases that form a family of 24 members in mammals. Evidence of the pathological roles of MMPs in various diseases, combined with their druggability, has made them attractive therapeutic targets. Initial drug discovery efforts focused
Jiao Zhao et al.
Angewandte Chemie (International ed. in English), 53(44), 11808-11812 (2014-09-12)
Porous films of p-type CuInS2, prepared by sulfurization of electrodeposited metals, are surface-modified with thin layers of CdS and TiO2. This specific porous electrode evolved H2 from photoelectrochemical water reduction under simulated sunlight. Modification with thin n-type CdS and TiO2
William Zhang et al.
Faraday discussions, 180, 233-249 (2015-04-22)
The pitting of nuclear steam generator tubing alloys 600, 690 and 800 was studied at 60 °C using dilute thiosulfate solutions containing excess sulfate or (for Alloy 600) chloride. A potentiostatic scratch method was used. In sulfate solutions, all alloys
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service