Molekula
Hydroxylamine-O-sulfonic acid
Hydroxylamine-O-sulfonic acid is a reactive inorganic compound used in organic synthesis, particularly in the preparation of hydroxylamine derivatives and as a reducing agent. It is a white crystalline solid with the molecular formula H2NOSO3H and a molecular weight of 113.09 g/mol. It must be stored at 2 to 8 °C and is classified as dangerous. Molekula supplies Hydroxylamine-O-sulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Hydroxylamine-O-sulfonic acid is a reactive inorganic compound used in organic synthesis, particularly in the preparation of hydroxylamine derivatives and as a reducing agent. It is a white crystalline solid with the molecular formula H2NOSO3H and a molecular weight of 113.09 g/mol. It must be stored at 2 to 8 °C and is classified as dangerous. Molekula supplies Hydroxylamine-O-sulfonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white crystalline powder |
| Water | ≤0.5% |
| Assay | ≥97.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 2950-43-8 |
| Molecular Formula | H2NOSO3H |
| Molecular Weight | 113.09 |
| SMILES | NOS(=O)(=O)O |
| EC / UN Number | 3260 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28111961 |
| Tariff Code | 2811198090 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
-
Toxic
GHS06
Hazard statements
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H351 Suspected of causing cancer
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
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 Hydroxylamine-O-sulfonic acid used for?
It is primarily used as a reducing agent in organic synthesis and as a reagent in the production of dyes and pharmaceuticals.
What is the chemical formula and molecular weight of Hydroxylamine-O-sulfonic acid?
The formula is H2NOSO3H and the molecular weight is 113.09 g/mol.
How should Hydroxylamine-O-sulfonic acid be stored?
It should be stored at temperatures between 2 to 8 °C and protected from light and moisture.
What grade is available for Hydroxylamine-O-sulfonic acid?
It is available in technical grade; specific higher grades may be available upon request.
Can Molekula supply Hydroxylamine-O-sulfonic acid in bulk?
Yes, Molekula can supply Hydroxylamine-O-sulfonic acid in bulk quantities—please contact us for pricing and availability.
What documentation comes with an order of Hydroxylamine-O-sulfonic acid?
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.