213136
Hydroxylamine-O-sulfonic acid
97%
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About This Item
Linear Formula:
H2NOSO3H
CAS Number:
Molecular Weight:
113.09
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
220-971-6
MDL number:
Assay:
97%
Quality Level
assay
97%
mp
210 °C (dec.) (lit.)
storage temp.
2-8°C
SMILES string
NOS(O)(=O)=O
InChI
1S/H3NO4S/c1-5-6(2,3)4/h1H2,(H,2,3,4)
InChI key
DQPBABKTKYNPMH-UHFFFAOYSA-N
General description
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.
As a nitrogen transfer reagent for the conversion of aldehydes to nitriles in aqueous medium.
Synthesis of N-aminopiperidine (NAPP) by reacting with piperidine.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Regulatory Information
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Find documentation for the products that you have recently purchased in the Document Library.
A New Strategy for the Preparation of N-Aminopiperidine Using Hydroxylamine-O-Sulfonic Acid: Synthesis, Kinetic Modelling, Phase Equilibria, Extraction and Processes."
Labarthe E, et al.
Advances in Chemical Engineering and Science, 3(2) (2013)
Direct synthesis of nitriles from aldehydes with hydroxylamine-O-sulfonic acid in acidic water.
Quinn DJ, et al.
Tetrahedron Letters, 57(34), 3844-3847 (2016)
Synthetic Methods and Reactions; 671. One-Step Conversion of Alicyclic Ketones into Lactams with Hydroxylamine-O-sulfonic Acid/Formic Acid.
Olah GA and Fung AP.
Synthesis, 07, 537-538 (1979)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 213136-100G | 04061832579153 |
| 213136-25G | 04061832579160 |
| 213136-5G | 04061832579177 |