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1.05432

Ammonia solution

25%, for analysis EMSURE® ISO,Reag. Ph Eur

Synonym(s):

Ammonium hydroxide solution, Ammonium hydroxide solution, Ammonia water, Ammonia aqueous, Ammonia water

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About This Item

Linear Formula:
NH4OH
CAS Number:
1336-21-6
Molecular Weight:
35.05
NACRES:
NA.21
UNSPSC Code:
12352402
MDL number:
MFCD00066650
Beilstein/REAXYS Number:
3587154
Concentration:
25.0-30.0% (Acidimetric, NH3)
Form:
liquid
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Product Name

Ammonia solution 25%, for analysis EMSURE® ISO,Reag. Ph Eur

Quality Segment

300

agency

reag. ISO, reag. Ph. Eur.

vapor pressure

483 hPa ( 20 °C)

product line

EMSURE®

form

liquid

expl. lim.

27 %

concentration

25.0-30.0% (Acidimetric, NH3)

pH

(ca. 12 (68 °F / 20 °C))

bp

37.7 °C/1013 hPa

mp

-57.5 °C

solubility

water: soluble

density

0.9 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

[NH4+].[OH-]

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

General description

Ammonia solution 25% (EMSURE® grade product) is used for regulated analyses and highly demanding lab applications. It also offers the highest quality and unmatched scope of specifications to give complete control of test conditions and eliminate uncertainties. EMSURE® grade products comply with all international regulations and can be used in various applications.

Application

Ammonia solution 25% can be used:
  • As a pH-adjusting agent to ensure beneficial alkaline conditions.
  • For the accurate measurement of chloride in human serum.

Features and Benefits

  • Most extensive specifications worldwide
  • Tested for up to 70 parameters
  • Extraordinary purity
  • Verylow limiting values
  • Greater accuracy and control of analyses
  • Optimized for highly critical and demanding analyses
  • Idealfor method development
  • Nointerference or contamination due to unknown impurities

Packaging

Due to quality and safety aspects Ammonia Solution will no longer be offered in glass bottles but solely in HDPE bottles.

Please note the following replacements:
1054321000 (1 L glass bottle) replaced by 1054321011 (1 L HDPE bottle)
1054322500 (2.5 L glass bottle) replaced by 1054322511 (2.5 L HDPE bottle)

More information about our ergonomic and unbreakable HDPE bottles can be found here: www.SigmaAldrich.com/hdpe-bottle

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

wgk

WGK 2

Storage Class

8B - Non-combustible corrosive hazardous materials

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