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A17393 O-Benzylhydroxylamine hydrochloride, 99%

CAS Number

Stock No. Size Price ($) Quantity Availability
A17393-06 5g 39.50
A17393-14 25g 123.00
A17393-22 100g 408.00
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O-Benzylhydroxylamine hydrochloride, 99%


Chemical Properties

Formula Weight
Melting point
ca 238° subl.
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Soluble in DMSO and methanol.


For use in the formation of nitrones from carbonyl compounds and their use in cycloaddition reactions. Used as a reagent used in the synthesis of hydroxylamines and hydroxyamates. Effective reagent used to prepare α-hydroxybenzylamines from α-hydroxyketones.


Hygroscopic. Store away from water/moisture and oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas. Protect from humidity.

Literature References

C. Liana Allen, et al. Transamidation of Primary Amides with Amines Using Hydroxylamine Hydrochloride as an Inorganic Catalyst.Angew. Chem. Int. Ed.,2012,51(6), 1383-1386.

Lidia De Luca, et al. An Easy and Convenient Synthesis of Weinreb Amides and Hydroxamates.J. Org. Chem.,2001,66(7), 2534-2537.

In the peptide field, Palladium, 11722 is a useful selective catalyst for deprotection of the benzyl hydroxamates: Tetrahedron Lett., 36, 197 (1995).

For use in the formation of nitrones from carbonyl compounds and their use in cycloaddition reactions, see: J. Org. Chem., 47, 2328 (1982); 52, 2179 (1987).

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • A11391

    Pyridine-2-carboxaldehyde, 99%
  • A13004

    tert-Butyl chloride, 98+%
  • A13163

    1,10-Phenanthroline, 99%, may contain up to 1.5% water
  • A14708

    Di-tert-butyl dicarbonate, 97+%
  • A16144

    Glyoxal, 40% w/w aq. soln.

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