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213136

Hydroxylamine-O-sulfonic acid

97%

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25 g
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$168.00
100 g
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$490.00

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%

$168.00


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Quality Segment

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.

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description

97%

description

99.998%

description

tablet, 30 mg substrate per tablet

description

≥97.0% (GC)

assay

97%

assay

99.998%

assay

-

assay

≥97.0% (GC)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

mp

210 °C (dec.) (lit.)

mp

210 °C (dec.) (lit.)

mp

258 °C (dec.) (lit.)

mp

-


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Signal Word

Danger

Hazard Codes

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 (personal protective equipment)

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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