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Basic Description
| Synonyms | ammonium hydroxide | 1336-21-6 | Ammonia aqueous | Aquammonia | Aqua ammonia | Ammonia, aqua | Household ammonia | Ammonia, monohydrate | Ammonia water 29% | Ammoniumhydroxid | Caswell No. 044 | Ammonium hydroxide ((NH4)(OH)) | SX 1 (ammonia water) | ammoniaque | SX 1 | NH4OH | HSDB 512 |
|---|---|
| Specifications & Purity | 20% (v/v) |
| Storage Temp | Room temperature |
| Shipped In | Normal |
Taxonomic Classification
Taxonomy Tree
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Kingdom
Inorganic compounds
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Superclass
Homogeneous non-metal compounds
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Class
Non-metal oxoanionic compounds
- Subclass Non-metal hydroxides
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Class
Non-metal oxoanionic compounds
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Superclass
Homogeneous non-metal compounds
| Kingdom | Inorganic compounds |
|---|---|
| Superclass | Homogeneous non-metal compounds |
| Class | Non-metal oxoanionic compounds |
| Subclass | Non-metal hydroxides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Non-metal hydroxides |
| Alternative Parents | Inorganic salts Inorganic oxides Inorganic hydrides |
| Molecular Framework | Not available |
| Substituents | Non-metal hydroxide - Inorganic hydride - Inorganic oxide - Inorganic salt |
| Description | This compound belongs to the class of inorganic compounds known as non-metal hydroxides. These are inorganic non-metallic compounds containing the hydroxide group as its largest oxoanion. |
| External Descriptors | inorganic hydroxy compound |
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Names and Identifiers
| IUPAC Name | azanium;hydroxide |
|---|---|
| INCHI | InChI=1S/H3N.H2O/h1H3;1H2 |
| InChIKey | VHUUQVKOLVNVRT-UHFFFAOYSA-N |
| Smiles | [NH4+].[OH-] |
| Isomeric SMILES | [NH4+].[OH-] |
| UN Number | 2672 |
| Packing Group | III |
| Molecular Weight | 35.05 |
| Beilstein | 3587154 |
| Reaxy-Rn | 11342939 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11342939&ln= |
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 I2305024 |
Certificate of Analysis | Jun 23, 2025 | A291777 |
| F2108009 |
Certificate of Analysis | Dec 12, 2024 | A291777 |
| I2409472 |
Certificate of Analysis | Sep 11, 2024 | A291777 |
| B2214002 |
Certificate of Analysis | Nov 07, 2023 | A291777 |
| A2214173 |
Certificate of Analysis | Oct 20, 2023 | A291777 |
| I2304635 |
Certificate of Analysis | Sep 12, 2023 | A291777 |
| C2314011 |
Certificate of Analysis | Mar 16, 2023 | A291777 |
| C2313168 |
Certificate of Analysis | Mar 15, 2023 | A291777 |
| C2314012 |
Certificate of Analysis | Mar 15, 2023 | A291777 |
| J2220003 |
Certificate of Analysis | Oct 21, 2022 | A291777 |
Chemical and Physical Properties
| Flash Point(°C) | 132°C |
|---|---|
| Boil Point(°C) | -33°C |
| Melt Point(°C) | -69°C(lit.) |
| Molecular Weight | 35.046 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 35.0371 Da |
| Monoisotopic Mass | 35.0371 Da |
| Topological Polar Surface Area | 2.000 Ų |
| Heavy Atom Count | 2 |
| Formal Charge | 0 |
| Complexity | 0.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
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