ChemicalBook > Product Catalog >Chemical Reagents >Organic reagents >Sulfonates / Sulfinates >Hydroxylamine-O-sulfonic acid
Hydroxylamine-O-sulfonic acid
- CAS No.
- 2950-43-8
- Chemical Name:
- Hydroxylamine-O-sulfonic acid
- Synonyms
- HOSA;HYDROXYLAMINE-O-SULPHONIC ACID;HOS;amino hydrogen sulfate;HydroxylaMine-0-sulfonic acid;haos;Amino hydrogen sulphate;HYDROXYLAMINESULFONIC ACID;o-hydroxylammoniumsulfonate;TBX5
- CBNumber:
- CB5702901
- Molecular Formula:
- H3NO4S
- Molecular Weight:
- 113.09
- MOL File:
- 2950-43-8.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/12/14 13:58:28
| Melting point | 210 °C (dec.)(lit.) |
|---|---|
| Boiling point | 39 °C(Press: 0.4 Torr) |
| Density | 2.2 g/cm3 (20℃) |
| vapor pressure | 0-53.329Pa at 25-39℃ |
| storage temp. | 2-8°C |
| solubility | 675g/l (slow decomposition) |
| pka | -6.47±0.18(Predicted) |
| form | Crystalline Powder |
| color | White |
| PH | 0.8 (100g/l, H2O, 20℃) |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| BRN | 956566 |
| InChIKey | DQPBABKTKYNPMH-UHFFFAOYSA-N |
| CAS DataBase Reference | 2950-43-8(CAS DataBase Reference) |
| EPA Substance Registry System | Hydroxylamine-O-sulfonic acid (2950-43-8) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |    GHS05,GHS07,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302-H314-H410 | |||||||||
| Precautionary statements | P260-P280-P301+P312+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338 | |||||||||
| Hazard Codes | C,N | |||||||||
| Risk Statements | 34-50-43-40-22 | |||||||||
| Safety Statements | 26-36/37/39-45-61-28A-27-22 | |||||||||
| RIDADR | UN 3260 8/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | NC5427000 | |||||||||
| F | 10-21 | |||||||||
| Hazard Note | Irritant | |||||||||
| TSCA | Y | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 28111980 | |||||||||
| NFPA 704 |
|
Hydroxylamine-O-sulfonic acid price More Price(9)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 480975 | Hydroxylamine-O-sulfonic acid 99.998% | 2950-43-8 | 5G | ₹1948.5 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 480975 | Hydroxylamine-O-sulfonic acid 99.998% | 2950-43-8 | 25G | ₹16973.6 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 213136 | Hydroxylamine-O-sulfonic acid 97% | 2950-43-8 | 25G | ₹7274.4 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 213136 | Hydroxylamine-O-sulfonic acid 97% | 2950-43-8 | 100G | ₹20729.88 | 2022-06-14 | Buy |
| TCI Chemicals (India) | H0530 | Hydroxylamine-O-sulfonic Acid | 2950-43-8 | 25G | ₹3700 | 2022-05-26 | Buy |
Hydroxylamine-O-sulfonic acid Chemical Properties,Uses,Production
Chemical Properties
white to slightly beige crystalline powder
Uses
Hydroxylamine-O-sulfonic acid is used in the synthesis of quinolones for the benzodiazepine site of GABAA receptors. It is also used as a polymerization catalyst and an amination reagent. It is involved in the preparation of diazene by reacting with an alkali. It is also used in the inhibition of polychlorinated dibenzo-p-dioxins (PCDD) as well as (polychlorinated biphenyl) PCB formation in co-combustion.
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.
Purification Methods
Stir the solid vigorously with anhydrous Et2O and filter it off using large volumes of dry Et2O. Drain dry at the pump for 5minutes and then for 12-14hours in a vacuum. Store it in a vacuum desiccator over conc H2SO4. Determine the purity by oxidation of iodide to I2. It must be stored in a dry atmosphere at 0-4o. It decomposes slowly in H2O at 25o and more rapidly above this temperature. [Matsuguma & Andrieth Inorg Synth V 122 1957.]
Hydroxylamine-O-sulfonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 409)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| saisreechemicals | +91-9959999823 +91-9959999823 | Telangana, India | 9 | 58 | Inquiry |
| Otto Chemie Pvt Ltd | +91-2222070099 +91-2266382599 | Maharashtra, India | 429 | 58 | Inquiry |
| Shan Dong Believe Chemical Pte. Ltd. | +91-18263679176 +91-18263679176 | Hyderabad, India | 3 | 58 | Inquiry |
| RPN ORGANICS PVT LTD | +919010289956 | Telangana, India | 166 | 58 | Inquiry |
| HiMedia Laboratories | 91-22-61471919 | Maharashtra, India | 1843 | 58 | Inquiry |
| Otto Chemie Pvt. Ltd. | +91 9820041841 | Mumbai, India | 5873 | 58 | Inquiry |
| Alfa Aesar | 1 800 209 7001 | Maharashtra, India | 6913 | 58 | Inquiry |
| P C Chem | +91-8046061281 | Mumbai, India | 676 | 58 | Inquiry |
| Deepak Nitrite Limited | 08069023791Ext 560 | Hyderabad, India | 84 | 58 | Inquiry |
| Opulent Pharma | 08068441147Ext 981 | Gujarat, India | 810 | 58 | Inquiry |
| Supplier | Advantage |
|---|---|
| saisreechemicals | 58 |
| Otto Chemie Pvt Ltd | 58 |
| Shan Dong Believe Chemical Pte. Ltd. | 58 |
| RPN ORGANICS PVT LTD | 58 |
| HiMedia Laboratories | 58 |
| Otto Chemie Pvt. Ltd. | 58 |
| Alfa Aesar | 58 |
| P C Chem | 58 |
| Deepak Nitrite Limited | 58 |
| Opulent Pharma | 58 |
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Sulfuricacid, Monoazanyl ester
HydroxylaMine-O-sulfonic acid (HOSA)
amine-O-suL
Hydroxylamine-O-sulfonicAcid>
haos
HOS
Amino hydrogen sulphate
HYDROXYLAMINE-O-SULPHONIC ACID
amino hydrogen sulfate
o-hydroxylammoniumsulfonate
HOSA
HYDROXYLAMINESULFONIC ACID
HydroxylaMine-0-sulfonic acid
Hydroxylamine-O-sulfonic acid (6CI, 7CI, 8CI, 9CI)
hyroxyl amine -o-sulfonic acid
2950-43-8
H2NOSO3H
NH2OSO3H
H3NSO4
H3NO4S
Hydroxylamines (O-Substituted)
Amination
Hydroxylamines
Building Blocks
Organic Building Blocks
Sulfonic/Sulfinic Acids
Sulfur Compounds
Building Blocks
Chemical Synthesis