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Ammonia Anhydrous
- Origin
- : China
- CAS Number
- : 7664-41-7
- HS Code
- : 28141000
Basic Info
- IUPAC Name
- : azane
- Molecular Formula
- : NH3
- Molecular Weight (g/mol)
- : 17.0300
- Synonyms & Trade Names
- : Ammonia anhydrous; Anhydrous ammonia; NH3
- Purity / Assay (%)
- : 99.5% min
- Grade / Quality Level
- : Industrial Grade
- Concentration
- : Pure substance
- Appearance / Color
- : Colorless gas (liquefied)
- Odor
- : Pungent
- Melting Point (°C)
- : -78.0000
- Boiling Point (°C)
- : -33
- Solubility in Water
- : Freely soluble (47g/100mL)
- Signal Word
- : Danger
- UN Number
- : 1005
- GHS Hazard Class
- : Flammable; Acute toxic; Skin corrosive; Aquatic hazard
- H-Statements
- : H221|H280|H290|H314|H331|H400|H410
- P-Statements
- : P260|P271|P273|P280|P284|P301+P330+P331|P304+P340
- REACH Status
- : Registered
- Drug Precursor Status
- : Non-precursor
- Storage Class (GHS)
- : 2
- Storage Conditions
- : Pressure vessel; cool; separated from acids and oxidizers
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Brief Overview
Ammonia is a chemical found in trace quantities in nature, being produced from nitrogenous animal and vegetable matter. Ammonia and ammonium salts are also found in small quantities in rainwater, whereas ammonium chloride (sal ammoniac), and ammonium sulfate are found in volcanic districts; crystals of ammonium bicarbonate have been found in Ronak guano. The kidneys secrete ammonia to neutralize excess acid. Ammonium salts are found distributed through fertile soil and in seawater.
Manufacturing Process
Mass production of Ammonia mostly uses the Haber–Bosch process, reacting hydrogen (H2) and nitrogen (N2) at a moderately-elevated temperature (450 °C) and high pressure (100 standard atmospheres (10,000 kPa)).
