213136

Hydroxylamine-O-sulfonic acid

97%

• Formule linéaire : H₂NOSO₃H
• CAS Number: 2950-43-8
• Poids moléculaire : 113.09
• Numéro CE : 220-971-6
• Numéro MDL: MFCD00011604
• Code UNSPSC : 12352300
• ID de substance PubChem : 57647921
• Nomenclature NACRES : NA.21

Propriétés

• Niveau de qualité: 200
• Essai: 97%
• Pf: 210 °C (dec.) (lit.)
• Température de stockage: 2-8°C
• Chaîne SMILES: NOS(O)(=O)=O
• InChI: 1S/H3NO4S/c1-5-6(2,3)4/h1H2,(H,2,3,4)
• Clé InChI: DQPBABKTKYNPMH-UHFFFAOYSA-N

Description

Description générale

Hydroxylamine-O-sulfonic acid is a versatile synthetic reagent. It is widely employed as a nucleophile and as an electrophile in various organic syntheses. It can be synthesized by reacting hydroxylamine sulfate with 30% fuming H₂SO₄.

Application

Hydroxylamine-O-sulfonic acid (HOSA) may be employed in the preparation of the following:

• monosubstituted and 1,1-disubstituted hydrazines
• symmetrically substituted pyrroles
• aniline
• C-substituted amino derivatives
• lactams

Hydroxylamine-O-sulfonic acid may be used in the following processes:
As a nitrogen transfer reagent for the conversion of aldehydes to nitriles in aqueous medium.
Synthesis of N-aminopiperidine (NAPP) by reacting with piperidine.

Informations sur la sécurité

• Pictogrammes: GHS05,GHS07,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H302,H314,H410
• Conseils de prudence: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Classification des risques: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B
• Code de la classe de stockage: 8A - Combustible corrosive hazardous materials
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges