Hydroxylamine-O-sulfonic acid
SIAL/213136 - 97%
CAS Number: 2950-43-8
Empirical Formula (Hill Notation): H3NO4S
Molecular Weight: 113.09
EC Number: 220-971-6
MDL Number: MFCD00011604
Linear Formula: H2NOSO3H
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 213136-100G
| assay | 97% |
| InChI | 1S/H3NO4S/c1-5-6(2,3)4/h1 |
| InChI key | DQPBABKTKYNPMH-UHFFFAOYSA |
| mp | 210 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | NOS(O)(=O)=O |
| storage temp. | 2-8°C |
| 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 |
| Application: | 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. |
| 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. |
| Packaging: | 5, 25, 100 g in glass bottle |
| Symbol |    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 |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN3260 - class 8 - PG 2 - EHS - Corrosive solid, acidic, inorgan |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 97% |
| mp | 210 °C (dec.) (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352300 |