11229

Ammonium sulfite solution

technical, 34%

• Synonym(s): Diammonium sulfite, Diammonium sulfonate
• Linear Formula: (NH₄)₂SO₃
• CAS Number: 10196-04-0
• Molecular Weight: 116.14
• NACRES: NA.22
• PubChem Substance ID: 57646900
• UNSPSC Code: 12352302
• MDL number: MFCD00066094

Properties

• grade: technical
• Quality Segment: 100
• concentration: 34%, ~34% in H₂O
• SMILES string: N.N.OS(O)=O
• InChI: 1S/2H3N.H2O3S/c;;1-4(2)3/h2*1H3;(H2,1,2,3)
• InChI key: PQUCIEFHOVEZAU-UHFFFAOYSA-N

Description

General description

Ammonium sulfite is an ammonium salt of sulfurous acid and a byproduct of the flue gas desulfuration process by ammonia. Ammonium sulfite can be oxidized into ammonium sulfate, which can be used as a fertilizer.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Storage Class: 12 - Non Combustible Liquids