255580

Hydroxylamine hydrochloride

ACS reagent, 98.0%

• Synonym(s): Hydroxylammonium chloride
• Linear Formula: NH₂OH · HCl
• CAS Number: 5470-11-1
• Molecular Weight: 69.49
• Beilstein: 3539763
• EC Number: 226-798-2
• MDL number: MFCD00051089
• UNSPSC Code: 12352300
• PubChem Substance ID: 329752798
• NACRES: NA.21

Properties

• grade: ACS reagent
• vapor pressure: 0.001 hPa ( 50 °C)
• Assay: 98.0%
• form: powder, crystals or chunks
• reaction suitability: reaction type: C-H Activation; reagent type: catalyst
• technique(s): inhibition assay: suitable
• impurities: ≤0.005% S compounds; ≤0.25 meq/g Titr. free acid
• ign. residue: ≤0.05%
• pH: 2.5-3.5 (20 °C, 50 g/L)
• mp: 155-157 °C (dec.) (lit.)
• density: 1.67 g/mL at 25 °C (lit.)
• anion traces: sulfur compounds (as SO₄^2-): ≤0.005%
• cation traces: Fe: ≤5 ppm; NH₄⁺:, passes test; heavy metals: ≤5 ppm (by ICP)
• storage temp.: room temp
• SMILES string: Cl.NO
• InChI: 1S/ClH.H3NO/c;1-2/h1H;2H,1H2
• InChI key: WTDHULULXKLSOZ-UHFFFAOYSA-N

Description

Application

Powerful reducing agent. Converts aldehydes and ketones to oximes, and acid chlorides to hydroxamic acids. Used as catalyst, swelling agent, and copolymerization inhibitor.

Biochem/physiol Actions

MAO inhibitor; inhibits platelet aggregation.

Safety Information

• Pictograms: GHS08,GHS05,GHS07,GHS09
• Signal Word: Warning
• Hazard Statements: H290,H302 + H312,H315,H317,H319,H351,H373,H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Oral
• Target Organs: spleen
• Storage Class Code: 4.1A - Other explosive hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable