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Hydroxylammonium chloride information


Hydroxylammonium chloride
Ball-and-stick model of a hydroxylammonium cation (left) and a chloride anion (right)
Names
Other names
Hydroxylamine hydrochloride
Identifiers
CAS Number
  • 5470-11-1 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:5807
ChEMBL
  • ChEMBL542448 checkY
ChemSpider
  • 20344 checkY
ECHA InfoCard 100.024.362 Edit this at Wikidata
EC Number
  • 226-798-2
KEGG
  • C11598
PubChem CID
  • 443297
RTECS number
  • NC3675000
UNII
  • 5X4ZA62Z4Q checkY
CompTox Dashboard (EPA)
  • DTXSID7025425 Edit this at Wikidata
InChI
  • InChI=1S/ClH.H4NO/c;1-2/h1H;2H,1H3/q;+1/p-1 checkY
    Key: WCYJQVALWQMJGE-UHFFFAOYSA-M checkY
  • InChI=1/ClH.H4NO/c;1-2/h1H;2H,1H3/q;+1/p-1
    Key: WCYJQVALWQMJGE-REWHXWOFAB
SMILES
  • [Cl-].O[NH3+]
Properties
Chemical formula
 ClH4NO
Molar mass 69.49 g·mol−1
Appearance white crystalline solid
Density 1.67 g/cm3
Melting point 155 to 157 °C (311 to 315 °F; 428 to 430 K) decomposes
Conjugate base Hydroxylamine
Hazards
GHS labelling:
Pictograms
 GHS05: CorrosiveGHS06: ToxicGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Signal word
 Danger
Hazard statements
 H290, H301, H302, H312, H315, H317, H319, H351, H373, H400
Precautionary statements
 P201, P202, P234, P260, P261, P264, P270, P272, P273, P280, P281, P301+P310, P301+P312, P302+P352, P305+P351+P338, P308+P313, P312, P314, P321, P322, P330, P332+P313, P333+P313, P337+P313, P362, P363, P390, P391, P404, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
1
1
Related compounds
Other anions
    • Hydroxylammonium nitrate
    • Hydroxylammonium sulfate
Other cations
    • Ammonium chloride
    • Hydraziniumchlorid [de]
    • Methylammonium chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Hydroxylammonium chloride is a chemical compound with the formula [NH3OH]+Cl−. It is the hydrochloric acid salt of hydroxylamine (NH2OH). Hydroxylamine is a biological intermediate in nitrification (biological oxidation of ammonia with oxygen into nitrite) and in anammox (biological oxidation of nitrite and ammonium into dinitrogen gas) which are important in the nitrogen cycle in soil and in wastewater treatment plants.

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Hydroxylammonium chloride

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Hydroxylammonium chloride is a chemical compound with the formula [NH3OH]+Cl−. It is the hydrochloric acid salt of hydroxylamine (NH2OH). Hydroxylamine...

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Hydroxylammonium nitrate

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Hydroxylammonium nitrate or hydroxylamine nitrate (HAN) is an inorganic compound with the chemical formula [NH3OH]+[NO3]−. It is a salt derived from hydroxylamine...

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Ammonium chloride

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Ammonium chloride is an inorganic chemical compound with the chemical formula NH4Cl, also written as [NH4]Cl. It is an ammonium salt of hydrogen chloride. It...

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Hydroxylamine

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biological nitrification. Hydroxylamine was first prepared as hydroxylammonium chloride in 1865 by the German chemist Wilhelm Clemens Lossen (1838-1906);...

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Hydroxylammonium sulfate

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Hydroxylammonium sulfate [NH3OH]2SO4, is the sulfuric acid salt of hydroxylamine. It is primarily used as an easily handled form of hydroxylamine, which...

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Nitrous oxide

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been reported: cf. Ostwald process. 2 NH3 + 2 O2 → N2O + 3 H2O Hydroxylammonium chloride reacts with sodium nitrite to give nitrous oxide. If the nitrite...

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Diazirine

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oximation reactions are performed by reacting the ketone with hydroxylammonium chloride (NH3OH−Cl+) under heat in the presence of a base such as pyridine...

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Vitamin B12 total synthesis

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The dioxime primarily formed by reaction of diketone H-23 with hydroxylammonium chloride was regioselectively hydrolyzed (nitrous acid/acetic acid) to...

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Ammonium

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Aminodiazonium ([H2N=N=N]+ ⇌ [H2N−N≡N]+ and substituted derivatives) Hydroxylammonium ([HO−NH3]+ and substituted derivatives) Ammonium transporter f-ratio...

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Sodium hyponitrite

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was prepared in 1927 by A. W. Scott by reacting alkyl nitrites, hydroxylammonium chloride, and sodium ethoxide RONO + NH2OH + 2 EtONa → Na2N2O2 + ROH +...

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Onium ion

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primary ammonium cations, RH3N+ or R−NH+3 (protonated primary amines) hydroxylammonium, H3N+−OH (protonated hydroxylamine) methylammonium, CH3NH+3 (protonated...

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Ammonium nitrate

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materials such as combustibles, flammable liquids, acids, chlorates, chlorides, sulfur, metals, charcoal and sawdust. Contact with certain substances...

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