Skip to Content
Merck
All Photos(1)

Key Documents

AX1303

Supelco

Ammonium Hydroxide

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
NH4OH
CAS Number:
Molecular Weight:
35.05
Beilstein:
3587154
MDL number:
UNSPSC Code:
12352106

Agency

meets USP/NF
suitable for ASTM® 7968
suitable for ASTM® 7979
suitable for EPA 1621
suitable for EPA 1633
suitable for EPA 533
suitable for EPA OTM-45
suitable for ISO 21675 2019
suitable for ISO 25101

Quality Level

reg. compliance

suitable for FDA C-010.02

vapor pressure

635 hPa ( 20 °C)

form

liquid

expl. lim.

27 %

concentration

28.0-30.0% NH3

impurities

≤0.002% Carbon dioxide (CO2)
≤0.1 ppm Copper (Cu)
≤0.1 ppm Nickel (Ni)
≤0.2 ppm Iron (Fe)
≤0.2 ppm Lead (Pb)
≤0.2 ppm Manganese (Mn)
≤0.3 ppm Aluminum (Al)
≤0.3 ppm Calcium (Ca)
≤0.3 ppm Chromium (Cr)
≤0.3 ppm Gold (Au)
≤0.3 ppm Magnesium (Mg)
≤0.3 ppm Potassium (K)
≤0.3 ppm Sodium (Na)
≤0.3 ppm Tin (Sn)
≤0.3 ppm Titanium (Ti)
≤0.3 ppm Zinc (Zn)
≤0.5 ppm Chloride (Cl)
≤0.5 ppm Heavy metals (as Pb)
≤2 ppm Nitrate (NO3)
≤2 ppm Phosphate (PO4)
≤2 ppm Sulfate (SO4)

ign. residue

≤0.002%

pH

>12 (20 °C in H2O, strongly alkaline)

bp

32 °C

mp

-72 °C

density

0.9 g/mL at 25 °C (lit.)

SMILES string

[NH4+].[OH-]

shipped in

ambient

storage temp.

room temp

InChI

1S/H3N.H2O/h1H3;1H2

InChI key

VHUUQVKOLVNVRT-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

AX1303-53 is for Canada only
AX1303P-5, AX1303-57 and AX1303-75 are packaged in poly coated glass bottles
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Aluminum (Al): 0.3ppm max
Appearance: Passes test
Assay (as NH3): 28.0-30.0%
Calcium (Ca): 0.3ppm max
Carbon dioxide (CO2): 0.002% max
Chloride (Cl): 0.5ppm max
Chromium (Cr): 0.3ppm max
Copper (Cu): 0.1ppm max
Gold (Au): 0.3ppm max
Heavy metals (as Pb): 0.5ppm max
Iron (Fe): 0.2ppm max
Lead (Pb): 0.2ppm max
Magnesium (Mg): 0.3ppm max
Manganese (Mn): 0.2ppm max
Nickel (Ni): 0.1ppm max
Nitrate (NO3): 2ppm max
Phosphate (PO4): 2ppm max
Potassium (K): 0.3ppm max
Residue after ignition: 0.002% max
Sodium (Na): 0.3ppm max
Substances reducing permanganate: To pass test
Sulfate (SO4): 2ppm max
Tin (Sn): 0.3ppm max
Titanium (Ti): 0.3ppm max
Zinc (Zn): 0.3ppm max

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Related Content

FAS, or 'forever chemicals,' persist in the environment and pose risks to human health. Discover our environmental monitoring tools for PFAS quantification, aiding researchers, regulators, and labs in testing for PFAS.

FAS, or 'forever chemicals,' persist in the environment and pose risks to human health. Discover our environmental monitoring tools for PFAS quantification, aiding researchers, regulators, and labs in testing for PFAS.

FAS, or 'forever chemicals,' persist in the environment and pose risks to human health. Discover our environmental monitoring tools for PFAS quantification, aiding researchers, regulators, and labs in testing for PFAS.

FAS, or 'forever chemicals,' persist in the environment and pose risks to human health. Discover our environmental monitoring tools for PFAS quantification, aiding researchers, regulators, and labs in testing for PFAS.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service