Molekula
Ammonium hydroxide 25% solution
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Ammonium hydroxide 25% solution is a clear, colorless to yellowish alkaline liquid primarily used in cleaning agents, pH adjustment, and industrial processes like water treatment and textile manufacturing. It is also employed in laboratories for chemical synthesis and as a reagent. This solution has a CAS number of 1336-21-6, with the molecular formula NH4OH and a molecular weight of 35.05. Store it at 2 to 8°C, as it is classified with the signal word "Danger" due to its corrosive and hazardous properties. Molekula supplies Ammonium hydroxide 25% solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Ammonium hydroxide 25% solution is a clear, colorless to yellowish alkaline liquid primarily used in cleaning agents, pH adjustment, and industrial processes like water treatment and textile manufacturing. It is also employed in laboratories for chemical synthesis and as a reagent. This solution has a CAS number of 1336-21-6, with the molecular formula NH4OH and a molecular weight of 35.05. Store it at 2 to 8°C, as it is classified with the signal word "Danger" due to its corrosive and hazardous properties. Molekula supplies Ammonium hydroxide 25% solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless or pale-yellow clear liquid. |
| Density | 0.85 - 0.95 |
| Ammonia (NH3) | 23.0 - 26.0 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90036975 |
| 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
-
Corrosive
GHS05
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is ammonium hydroxide 25% solution commonly used for?
This solution is widely used in cleaning agents, pH adjusters in water treatment, and as a reagent in laboratories for various chemical reactions.
What is the chemical formula and molecular weight of ammonium hydroxide?
The chemical formula is **NH₄OH** (though it exists primarily as **NH₃ + H₂O** in solution), and the molecular weight is **35.05 g/mol** (for NH₄OH).
How should ammonium hydroxide 25% solution be stored?
Store at **2–8°C** in a tightly sealed container, away from incompatible substances like acids, oxidizers, or metals.
What grades of ammonium hydroxide does Molekula supply?
Molekula supplies **laboratory reagent grade** ammonium hydroxide (25% solution) for research, industrial, and analytical applications.
Can Molekula supply ammonium hydroxide in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and logistics details.
What documentation comes with an order of ammonium hydroxide?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability.
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