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VAQORACHEMICALS

Hydroxylamine o-sulphonic acid, 96%

Synonyms: HOSA · Hydroxylamine-O-sulfonic acid · Sulfamic acid N-oxide · Sulfoperamidic acid

CAS No.2950-43-8
FormulaH3NO4S
Mol. weight113.10
Catalogue No.VQ-016020
Purity96%
HSN28251090

Hydroxylamine o-sulphonic acid (CAS 2950-43-8) – inorganic reagent, 96%. H3NO4S, MW 113.1. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
25 g
100 g
1 kg
25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Hydroxylamine o-sulphonic acid, 96%

Hydroxylamine o-sulphonic acid (CAS 2950-43-8) is an inorganic reagent offered by Vaqora Chemicals at a purity of 96%. Formula H3NO4S, molecular weight 113.1 g/mol. Its systematic (IUPAC) name is amino hydrogen sulfate. It is also known as HOSA or Hydroxylamine-O-sulfonic acid.

The material typically appears as a white to beige powder or crystals or crystalline powder. Reported physical data include a melting point of 210 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, catalysis and polymer and resin production. It is used across academic and industrial research.

We offer Hydroxylamine o-sulphonic acid in 25 g, 100 g, 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Organic synthesis
  • Catalysis
  • Polymer & resin production

Industries

Specifications & identifiers

Chemical identifiers
Product nameHydroxylamine o-sulphonic acid, 96%
Catalogue No.VQ-016020
CAS Number2950-43-8
IUPAC nameamino hydrogen sulfate
Molecular formulaH3NO4S
Molecular weight113.1 g/mol
Exact mass112.9783
Purity / assay96%
HSN code28251090
InChIKeyDQPBABKTKYNPMH-UHFFFAOYSA-N
SMILESNOS(=O)(=O)O
PubChem CID76284
Physical properties
Physical formCrystalline
AppearanceWhite to beige powder or crystals or crystalline powder
Melting point210 °C
LogP (XLogP3)-3.9
H-bond donors / acceptors2 / 5
TPSA98 Ų
UN numberUN 3260
SynonymsHOSA, Hydroxylamine-O-sulfonic acid, Sulfamic acid N-oxide, Sulfoperamidic acid, Permonosulfamic acid, Amidosulfonic peracid, Amidoperoxymonosulfuric acid, Aminomonopersulfuric acid, Hydroxylamine-O-sulphonic acid, Hydroxylaminesulfonic acid, Sulfuric acid, monoazanyl ester, (aminooxy)sulfonic acid

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant
GHS09 Environmental hazard
Environmental hazard

Signal word: Danger

Hazard statements

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H318Causes serious eye damage
  • H400Very toxic to aquatic life
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements: P260, P264, P264 + P265, P270, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P363, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Hydroxylamine o-sulphonic acid, 96%?

The CAS Registry Number of Hydroxylamine o-sulphonic acid, 96% is 2950-43-8. It is also known as HOSA, Hydroxylamine-O-sulfonic acid, Sulfamic acid N-oxide.

What is the molecular formula and molecular weight of Hydroxylamine o-sulphonic acid, 96%?

Hydroxylamine o-sulphonic acid, 96% has the molecular formula H3NO4S and a molecular weight of 113.1 g/mol. Its IUPAC name is amino hydrogen sulfate.

Which grade and pack sizes of Hydroxylamine o-sulphonic acid, 96% can I order?

We supply Hydroxylamine o-sulphonic acid, 96% in (96%) grade, in 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hydroxylamine o-sulphonic acid, 96%?

Yes. Every lot of Hydroxylamine o-sulphonic acid, 96% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hydroxylamine o-sulphonic acid, 96% be shipped internationally?

Yes. Hydroxylamine o-sulphonic acid, 96% is classified as hazardous (UN 3260), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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