A7288412
Sulfur trioxide pyridine complex , 97% , 26412-87-3
Synonym(s):
NSC 75831;Pyridine sulfur trioxide complex;Sulfur trioxide pyridine complex
CAS NO.：26412-87-3
Empirical Formula: C5H5NO3S
Molecular Weight: 159.16
MDL number: MFCD00078270
EINECS: 247-683-3
| Pack Size | Price | Stock | Quantity |
| 25G | RMB24.00 | In Stock |
|
| 50g | RMB39.20 | In Stock |
|
| 100G | RMB51.20 | In Stock |
|
| 500G | RMB197.60 | In Stock |
|
| 2.5kg | RMB919.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | ~160 °C |
| bulk density | 600kg/m3 |
| storage temp. | Store below +30°C. |
| solubility | Soluble in polar organic solvents. |
| form | Powder |
| color | White to beige |
| Water Solubility | reacts |
| Sensitive | Moisture Sensitive |
| BRN | 3704116 |
| InChI | InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H; |
| InChIKey | UDYFLDICVHJSOY-UHFFFAOYSA-N |
| SMILES | C1=CC=NC=C1.S(=O)(=O)=O |
| CAS DataBase Reference | 26412-87-3(CAS DataBase Reference) |
| EPA Substance Registry System | Pyridine sulfur trioxide (26412-87-3) |
Description and Uses
Pyridine sulphur trioxide is an important reaction reagent that can react with various compounds such as aldehydes, anthracenes and pyrroles to produce other heterocyclic compounds. Pyridine sulphur trioxide is primarily used in addition reactions or sulphonation processes.
Usually used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with DMSO.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319 |
| Precautionary statements | P264-P270-P280-P301+P312-P302+P352-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3261 8/PG 2 |
| WGK Germany | 3 |
| F | 3-10-21 |
| Autoignition Temperature | >350 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29420000 |
| Toxicity | LD50 orally in Rabbit: 500 - 2000 mg/kg |
