Molekula
Ammonium sulfite solution (33 - 36%)
Ammonium sulfite solution (33–36%) is a water-based chemical used in industrial processes such as flue gas desulfurization and as a reducing agent in chemical synthesis. It is a clear to slightly yellow liquid with a pungent odor. CAS: 10196-04-0, molecular formula: (NH4)2SO3, molecular weight: 116.14 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Ammonium sulfite solution (33–36%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Ammonium sulfite solution (33–36%) is a water-based chemical used in industrial processes such as flue gas desulfurization and as a reducing agent in chemical synthesis. It is a clear to slightly yellow liquid with a pungent odor. CAS: 10196-04-0, molecular formula: (NH4)2SO3, molecular weight: 116.14 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Ammonium sulfite solution (33–36%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Liquid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 10196-04-0 |
| Molecular Formula | (NH4)2SO3 |
| Molecular Weight | 116.14 |
| SMILES | [NH4+].[NH4+].[O-]S(=O)[O-] |
| REACH Code | Y110 |
| Tariff Code | 28322000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- EUH031 Contact with acids liberates toxic gas
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is ammonium sulfite solution (33-36%) used for?
It is primarily used as a reducing agent in industrial processes, including pulp and paper bleaching and wastewater treatment.
What is the chemical formula and molecular weight of ammonium sulfite solution?
The formula is (NH4)2SO3 with a molecular weight of 116.14 g/mol.
How should ammonium sulfite solution be stored?
Store at ambient temperature, away from strong oxidizing agents and direct sunlight.
What grade of ammonium sulfite solution is available?
Available as a 33-36% aqueous solution, suitable for industrial applications.
Can Molekula supply ammonium sulfite solution in bulk?
Yes, Molekula offers bulk supply options for industrial customers—please contact sales for details.
What documentation comes with an order of ammonium sulfite solution?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.