Ammonium sulfite solution
Ammonium sulfite solution, CAS 17026-44-7, with the linear formula (NH4)2SO3, presents as an aqueous solution of the inorganic salt. This chemical compound is recognised for its role in various synthetic processes. Supplied by Tech Serve Solutions, it serves as a valuable reagent in chemical synthesis and as an inorganic salt for laboratory and industrial applications requiring a reliable source of sulfite ions within an ammonium buffer.

Chemical Synthesis
Ammonium sulfite solution acts as a reagent in organic and inorganic synthesis. It can be used to introduce sulfite groups or participate in redox reactions.
Inorganic Salt Applications
As an inorganic salt, it finds use in various chemical formulations and processes where its specific ionic properties are required.
Laboratory Reagent
This solution serves as a versatile laboratory reagent for research and development purposes, facilitating a range of chemical experiments and analyses.
| Molecular weight | 116.14 |
|---|---|
| Linear formula | (NH4)2SO3 |
| Assay | 34% |
| Grade | technical |
| Concentration | ~34% in H2O |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 31-36/37/38 |
| Safety statements (S) | 26 |
| Supplemental hazards | Contact with acids liberates toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ammonium sulfite solution used for?
+
Ammonium sulfite solution is primarily used as a reagent in chemical synthesis and as an inorganic salt in various laboratory and industrial applications.
What are the CAS number and formula for Ammonium sulfite solution?
+
The CAS number for Ammonium sulfite solution is 17026-44-7, and its linear formula is (NH4)2SO3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Ammonium sulfite solution at a technical grade with an assay of approximately 34% in water. We do not represent this product as USP, BP, or EP grade.
How should Ammonium sulfite solution be handled safely?
+
Ammonium sulfite solution is a Warning substance that can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Contact with acids liberates toxic gas. Always use appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Consult the Safety Data Sheet for full details.
Is Ammonium sulfite solution available for export?
+
Yes, Tech Serve Solutions specialises in supplying and exporting fine chemicals globally. Please contact us for export availability and logistics.
How can I request a quote or sample?
+
To request a quote or a sample of Ammonium sulfite solution, please visit our website or contact our sales team directly with your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis