Merck 105432 Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur 2.5 L
Merck 105432 Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur 2.5 L
Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur
Ammonia solution 25% is a high-purity aqueous ammonia reagent from the EMSURE® product line, designed for regulated analyses and demanding laboratory applications. The reagent is specified for analytical use according to ISO and Ph. Eur. reagent requirements.
Brand: Supelco / MerckCatalog Number: 105432
Product Number: 1.05432
Product Line: EMSURE®
Grade: For analysis, ISO, Reag. Ph Eur
Concentration: 25.0… 30.0% (acidimetric, as NH3)
CAS Number: 1336-21-6
Linear Formula: NH4OH
Form: Liquid
Storage Temperature: 2… 30 °C

KEY FEATURES
- EMSURE® grade reagent for demanding analytical applications
- Compliance with specified ISO and Ph. Eur. reagent requirements
- High-purity ammonia solution with comprehensive quality specifications
- Suitable for pH adjustment and alkaline reaction conditions
- Used in analytical chemistry and laboratory reagent preparation
- Batch-specific quality documentation available from the manufacturer
- HDPE bottle packaging for improved handling and breakage resistance
PROPERTIES
| Property | Specification |
|---|---|
| Brand | Supelco / Merck |
| Catalog Number | 105432 |
| Product Number | 1.05432 |
| Product Name | Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur |
| Product Line | EMSURE® |
| Quality Segment | 300 |
| Agency | Reag. ISO, Reag. Ph. Eur. |
| Synonyms | Ammonium hydroxide solution; Ammonia water; Aqueous ammonia |
| CAS Number | 1336-21-6 |
| Linear Formula | NH4OH |
| Molecular Weight | 35.05 g/mol (NH4OH representation) |
| MDL Number | MFCD00066650 |
| NACRES | NA.21 |
| UNSPSC Code | 12352402 |
TECHNICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Concentration | 25.0… 30.0% (acidimetric, as NH3) |
| Nominal Concentration | 25% (w/w) |
| Form | Liquid |
| pH | Approx. 12 at 20 °C |
| Density | 0.9 g/mL at 25 °C |
| Vapor Pressure | 483 hPa at 20 °C |
| Boiling Point | 37.7 °C at 1013 hPa |
| Melting Point | -57.5 °C |
| Water Solubility | Soluble |
| Storage Temperature | 2… 30 °C |
Physical property values are representative of the manufacturer's published product information. Batch-specific concentration and analytical results should be verified using the applicable Certificate of Analysis.
DESCRIPTION
General Description
Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur is an aqueous ammonia reagent for demanding analytical laboratory applications. The EMSURE® grade is characterized by comprehensive quality specifications and low impurity limits, supporting reliable analytical procedures and controlled testing conditions.
Application
Ammonia solution 25% is used as a reagent in analytical chemistry, laboratory procedures and chemical production. It can be employed as a pH-adjusting agent to establish alkaline conditions and in suitable analytical methods, including procedures for chloride determination.
Features and Benefits
EMSURE® reagents are designed for critical analytical applications requiring extensive specifications, controlled impurity levels and consistent reagent quality. Product documentation supports traceability and verification of suitability for individual laboratory procedures.
Quality Information
The reagent is designated for analysis according to ISO and European Pharmacopoeia reagent requirements. The concentration is determined acidimetrically and expressed as NH3. Actual batch-specific results are provided in the manufacturer's Certificate of Analysis.
APPLICATION AREAS
- Analytical chemistry laboratories
- Laboratory reagent preparation
- pH adjustment in appropriate chemical procedures
- Alkaline reaction and sample preparation procedures
- Regulated analytical testing
- Research and development laboratories
- Chemical production processes requiring an analytical-grade ammonia solution
PACKAGING
| Product Number | Packaging Information |
|---|---|
| 1054321011 | 1 L – HDPE Bottle |
| 1054322511 | 2.5 L – HDPE Bottle |
Due to quality and safety considerations, the manufacturer has replaced the previous glass bottles with HDPE packaging. Product 1054321000 (1 L glass bottle) has been replaced by 1054321011 (1 L HDPE bottle), and product 1054322500 (2.5 L glass bottle) has been replaced by 1054322511 (2.5 L HDPE bottle).
SAFETY AND HANDLING
| Safety Information | Classification / Guidance |
|---|---|
| Signal Word | Danger |
| GHS Pictograms | GHS05, GHS07, GHS09 |
| H314 | Causes severe skin burns and eye damage. |
| H335 | May cause respiratory irritation. |
| H410 | Very toxic to aquatic life with long lasting effects. |
| Storage Class | 8B – Non-combustible corrosive hazardous materials |
| Water Hazard Class | WGK 2 |
| Storage Temperature | 2… 30 °C |
Handling Precautions
Avoid inhalation of vapors or mist. Use suitable ventilation, protective gloves, protective clothing and appropriate eye or face protection. Prevent release to the environment. Handle only in accordance with the current Safety Data Sheet and applicable laboratory safety procedures.
Storage
Keep the container tightly closed and store under the manufacturer's recommended conditions. Consult the SDS for chemical compatibility, safe handling, transport and disposal requirements.
TECHNICAL DOCUMENTS AND CERTIFICATES
▣ PDF Safety Data Sheet (SDS)
Current safety information and applicable regional documentation.
View Merck 105432 Safety Data Sheet
▣ PDF Certificate of Analysis (CoA) / Quality Documentation
Lot-specific analytical results and manufacturer documentation.
View Product Documentation and Certificates
Manufacturer Product Page
Merck 105432 – Official Product Specifications
The Certificate of Analysis is batch-specific. Please consult the current manufacturer documents before use.
FREQUENTLY ASKED QUESTIONS
What is Merck 105432?
Merck 105432 is Ammonia solution 25% for analysis EMSURE® ISO, Reag. Ph Eur, intended for demanding analytical laboratory applications.
Is the stated concentration based on weight or volume?
The nominal concentration is expressed as weight by weight (w/w). The manufacturer specifies an acidimetric concentration range of 25.0… 30.0% as NH3.
Is this product suitable for analytical laboratory use?
Yes. The EMSURE® grade is designed for demanding analytical applications, with reagent specifications according to ISO and Ph. Eur. requirements. Suitability for a particular analytical method must be evaluated against that method's requirements.
Is this ammonia solution supplied in glass bottles?
The manufacturer has replaced the previous 1 L and 2.5 L glass bottle configurations with HDPE bottles.
Where can batch-specific concentration data be found?
Lot-specific analytical values can be obtained from the manufacturer's Certificate of Analysis.
PRODUCT INFORMATION AND QUOTATION
For availability, packaging options, product documentation, Certificates of Analysis and quotation requests for Merck 105432 Ammonia solution 25% for analysis EMSURE®, please contact Labor Teknik AŞ.
Website: www.labor.com.tr