Molekula
Ammonia hydroxide 25% solution in water
Ammonia hydroxide 25% solution in water is a corrosive aqueous solution used in laboratory and industrial applications for pH adjustment, cleaning, and chemical synthesis. It is a strong base with a molecular formula of NH4OH, a molecular weight of 35.05 g/mol, and a CAS number of 1336-21-6. Store at 2 to 8 °C. Hazard warning: Danger. Molekula supplies Ammonia hydroxide 25% solution in water from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Ammonia hydroxide 25% solution in water is a corrosive aqueous solution used in laboratory and industrial applications for pH adjustment, cleaning, and chemical synthesis. It is a strong base with a molecular formula of NH4OH, a molecular weight of 35.05 g/mol, and a CAS number of 1336-21-6. Store at 2 to 8 °C. Hazard warning: Danger. Molekula supplies Ammonia hydroxide 25% solution in water from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| pH | 11.2 Typical |
| Specific Gravity | 0.9105 +/- 0.0015 |
| Chloride (Cl) | ≤ 0.0005% |
| Assay | 25 +/- 0.5% |
| Residue on Evaporation | ≤ 0.002% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 1336-21-6 |
| Molecular Formula | NH4OH |
| Molecular Weight | 35.05 |
| SMILES | [NH4+].[OH-] |
| EC / UN Number | 2672 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 29213099 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
-
Toxic
GHS06
Hazard statements
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
- 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
- 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 ammonia hydroxide 25% solution used for?
It is commonly used in laboratory applications, cleaning agents, and as a reagent in chemical synthesis.
What is the chemical formula and molecular weight of ammonia hydroxide 25% solution?
The formula is NH4OH with a molecular weight of 35.05 g/mol.
How should ammonia hydroxide 25% solution be stored?
It should be stored at temperatures between 2 to 8 °C in a well-ventilated area away from incompatible materials.
What grade of ammonia hydroxide 25% solution is available?
Available in laboratory grade; specific grades may vary based on customer requirements.
Can Molekula supply ammonia hydroxide 25% solution in bulk?
Yes, Molekula can supply bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of ammonia hydroxide 25% solution?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.