Description
Ammonia solution 25 % is an aqueous ammonia reagent in pharmacopoeia quality (Ph.Eur.) for laboratory use. It corresponds to the empirical composition NH₃ + H₂O, with a molar mass of 17,03 + aq g/mol, a density of 0,907 g/cm³ and a boiling point of 38 °C. The product is identified by CAS number 1336-21-6 and EG number 215-647-6, and is classified under UN number 2672 for transport. Eur.-grade ammonia. Typical laboratory uses include pH adjustment, precipitation steps, complex formation and preparation of buffer or reagent mixtures where a defined aqueous ammonia concentration is required. This ammonia solution from manufacturer Carl ROTH belongs to the acids and bases range in pharmacopoeia quality and supports analytical and preparative workflows that demand documented composition and clear physical data. The glass packaging is appropriate for storage and dispensing of this alkaline aqueous reagent in controlled laboratory environments.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Assay (acidim.): 25,0-27,0 %
- Appearance of solution: complies
- Pyridine and homologues: ≤0,0002 %
- KMnO4 reducing substances: complies
- Carbonate: ≤0,005 %
- Chloride (Cl): ≤0,0001 %
- Sulphate (SO4): ≤0,0005 %
- Iron (Fe): ≤0,000025 %
- Non volatile matter: ≤0,002 %
- CAS number: 1336-21-6
- Pack sizes: 1 l, 2.5 l, 10 l, 5 l
- EG nr.: 215-647-6
- Density: 0,907 g/cm³
- Concentration: 25 %
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
DangerHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Ammonia solution 25 %, 25 %, Ph.Eur., 1 l, glass
What is this article?
Ammonia solution 25 %, 25 %, Ph.Eur., 1 l, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Bases & alkalis, inside Acids & bases, in Lab chemicals.
A base or an alkali is sodium hydroxide, potassium hydroxide, ammonia and their relatives, as solid or as solution. The carbonate that a hydroxide picks up from the air changes a titre. Concentration and purity are the specification. Concentrated alkalis attack skin and aluminium.
An acid donates a proton. A base accepts one. In the bottle, the practical differences are the concentration, the purity and the anion or cation that comes along. Concentrated mineral acids are a different article from a dilute volumetric solution. The water in the acid, and the trace metals, decide whether it can be used for analysis. Check the substance on PubChem and the classification on ECHA CLP. Transport is the UNECE dangerous-goods framework. The legal texts are the CLP Regulation and REACH.
Which category should I open next?
The category is Acids & bases. The sub-category is Bases & alkalis. The catalogue is Lab chemicals.
Shelves beside this one are Acids.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.