307823

Sodium hydrogen sulfate

technical grade

• Synonym(s): Sodium bisulfate
• Linear Formula: NaHSO₄
• CAS Number: 7681-38-1
• Molecular Weight: 120.06
• EC Number: 231-665-7
• MDL number: MFCD00003531
• UNSPSC Code: 12352302
• PubChem Substance ID: 329753587
• NACRES: NA.23
• assay: ≥90.0% NaOH basis (titration)
• grade: technical grade
• form: crystalline

Properties

• grade: technical grade
• 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

Description

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.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318
• pcodes: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves