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Home/Compounds/CAS 2950-43-8
Formula H3NO4SMW 113.1Research-use catalog entryCOA/SDS by request

hydroxylamine-O-sulfonic acid

CAS Number: 2950-43-8

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Loading RDKit molecule structure...
InChIKey: DQPBABKTKYNPMH-UHFFFAOYSA-NH3NO4S | MW 113.1

Chemical Absolute Identifiers

CAS Number

2950-43-8

PubChem CID

76284

Molecular Formula

H3NO4S

Molecular Weight

113.1 g/mol

Exact Mass

112.978279

InChIKey

DQPBABKTKYNPMH-UHFFFAOYSA-N

IUPAC Name

amino hydrogen sulfate

SMILES String

NOS(=O)(=O)O

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

hydroxylamine-O-sulfonic acid (CAS 2950-43-8) is listed in the Advanced Chemicals portfolio, with molecular formula H3NO4S and molecular weight 113. 10 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional organization with a waste disposal license to handle this substance.
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Accidental Release

  • Use personal protective equipment.
  • Avoid dust generation.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

hydroxylamine-O-sulfonic acid

Names & Synonyms

Sulfamic acid N-oxideSulfoperamidic acidPermonosulfamic acidAmidosulfonic peracidHAOS
Show all synonyms
Amidoperoxymonosulfuric acidAminomonopersulfuric acidHydroxylamine-O-sulphonic acidHydroxylaminesulfonic acidSulfuric acid, monoazanyl ester(aminooxy)sulfonic acid(aminooxy)(hydroxy)sulfane dioxideO-Hydroxylammonium sulfonateaminooxysulfonic acidCCRIS 1479amino hydroxysulfonateaminohydroxysulphonic acidEC 220-971-6hydroxylamin-O-sulphonic acid
External Identifiers
EC NUMBER: 220-971-6DSSTOX SUBSTANCE ID: DTXSID50883542UNII: YM8MWJ7XSPWIKIDATA ID: Q21057234
Experimental Spectrum References
ATR-IR SpectraFTIR Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

methyl N-methoxycarbamateCAS 66508-91-6
N-hydroxy-1-hydrazinecarboxamideCAS 21520-79-6
O-Methylhydroxylamine hydrochlorideCAS 593-56-6

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 2950-43-8

What are the key identifiers for hydroxylamine-O-sulfonic acid (CAS 2950-43-8)?

hydroxylamine-O-sulfonic acid is identified by CAS 2950-43-8, with molecular formula H3NO4S, molecular weight 113.1, InChIKey DQPBABKTKYNPMH-UHFFFAOYSA-N.

Can I request a COA for CAS 2950-43-8?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for hydroxylamine-O-sulfonic acid?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 2950-43-8 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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