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Key Documents

307823

Sigma-Aldrich

Sodium hydrogen sulfate

technical grade

Synonym(s):

Sodium bisulfate

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About This Item

Linear Formula:
NaHSO4
CAS Number:
Molecular Weight:
120.06
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

grade

technical grade

Quality Level

Assay

≥90.0% NaOH basis (titration)

form

crystalline

SMILES string

[Na+].OS([O-])(=O)=O

InChI

1S/Na.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+1;/p-1

InChI key

WBHQBSYUUJJSRZ-UHFFFAOYSA-M

General description

Sodium hydrogen sulfate, also known as sodium bisulfate, is commonly used as a pH modifier, acidulant, and chemical reagent in various industrial and laboratory applications.

Application

Sodium hydrogen sulfate can be used as:      
  • A source of sulfur in the synthesis of the Ni-doped Cu2ZnSnS4 (CZTS) material, which find its application in solar energy conversion technologies.
  • As a pH regulator to maintain acidic conditions in various processes.   
  • A acidic catalyst to facilitate the esterification process between oleyl alcohol and oleic acid.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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