Acids & Salts Available to Source

Ammonium Hydroxide Type B 27.9% Max.

NH4OH
CAS 1336-21-6 · MF H5NO · MW 35.046 g/mol · UN 2672 (AMMONIUM HYDROXIDE)

Ammonium Hydroxide Type B (27.9% max) is a clear, colorless aqueous solution of ammonia widely used across industrial and chemical processing applications.

SDS / TDS Download
CAS Number
1336-21-6
Molecular Formula
H5NO
Molecular Weight
35.046 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
melting_point
-58 u00b0C (25%)
boiling_point
38 u00b0C (25%)
density
About 0.90 @ 25 u00b0C/25 u00b0C
solubility
Exists only in solution
vapor_pressure
2160 mm Hg @ 25 u00b0C
ph
pH= 11.6 (1.0 N solution); 11.1 (0.1 N solution); 10.6 (0.01 N solution)
GHS / SDS Safety Danger
Acute Toxic Environmental Hazard Irritant Health Hazard Corrosive
  • H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H400 (99.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H335 (16.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
  • H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
  • H314 (99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H290: May be corrosive to metals [Warning Corrosive to Metals]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H318 (10.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Chemical Identity
CAS Number1336-21-6
IUPAC Nameazanium hydroxide
InChI KeyVHUUQVKOLVNVRT-UHFFFAOYSA-N
PubChem CID 14923
INCI NameAMMONIUM HYDROXIDE
Synonyms & Trade Names
ammonium hydroxide Ammonia water Ammonia aqueous Aquammonia Ammonia, aqua Household ammonia Ammonia, monohydrate Ammonia water 29% Ammonium hydroxide ((NH4)(OH)) SX 1 (ammonia water) Hydroxide, Ammonium RefChem:6613 DTXCID8080
Full Description

Ammonium Hydroxide Type B (27.9% max) is a clear, colorless aqueous solution of ammonia widely used across industrial and chemical processing applications.