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Merck

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:
Molecular Weight:
35.05
NACRES:
NA.21
UNSPSC Code:
12352402
MDL number:
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

InChI

1S/H3N.H2O/h1H3;1H2

SMILES string

[NH4+].[OH-]

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

agency

reag. ISO
reag. Ph. Eur.

vapor pressure

483 hPa ( 20 °C)

product line

EMSURE®

form

liquid

expl. lim.

27 %

Quality Level

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

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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

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.

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

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 2


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Our ergonomic 1 L HDPE bottle for acids, bases, and solvents provide an alternative to glass chemical bottles for lab safety in pouring & handling of hazardous chemicals in the laboratory.

산 무기화 후 Cuprizon을 이용하여 광도측정법으로 측정

머크의 산, 염기, 용매용 인체공학적 1 L HDPE 시약용기는 실험실에서 유해화학물질을 주입하고 취급할 때 실험실 안전을 확보할 수 있다는 점에서 화학용 유리 시약용기의 대안이 될 수 있습니다.

Global Trade Item Number

SKUGTIN
1.05432.101104022536531984
1.05432.500004022536744315
1.05432.902504022536064680

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