Sulfur trioxide pyridine complex
Properties
- Molecular formula
- C5H5NO3S
- Molar mass
- 159.16 g/mol
- Exact mass
- 158.9990 Da
- logP
- 0.08Crippen estimate
- Polar surface area
- 64.1 Ų
- H-bond donors / acceptors
- 0 / 4
- Rotatable bonds
- 0
Hazards
Danger
- H302 Harmful if swallowed100% of notifiers
- H314 Causes severe skin burns and eye damage55% of notifiers
- H315 Causes skin irritation45% of notifiers
- H319 Causes serious eye irritation45% of notifiers
Aggregated from 109 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P321, P330, P332+P317, P337+P317, P362+P364, P363, P405, P501
Identifiers
CAS number
26412-87-3SMILES
O=S(=O)=O.c1ccncc1InChIKey
UDYFLDICVHJSOY-UHFFFAOYSA-NInChI
InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
9 names
- Pyridine, compd. with sulfur trioxide (1:1)
- Sulfur trioxide, compd. with pyridine (1:1)
- Pyridine, compd. with SO3
- Pyridine-sulfur trioxide complex
- Pyridine-sulfur trioxide complex (1:1)
- Pyridine sulfur trioxide
- Pyridine-sulfur trioxide (1:1)
- Sulfur trioxide-pyridine
- NSC 75831
Work with Sulfur trioxide pyridine complex
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Pyridine110-86-1Free base
Pyridine-D57291-22-7Free base, labelled
Pyridinium chlorochromate26299-14-9Salt
Pyridinium p-toluenesulfonate24057-28-1Salt
Pyridinium chloride628-13-7Salt
Poly(pyridine fluoride)62778-11-4Salt
Pyridinium hydrobromide18820-82-1Salt
Pyridinium trifluoroacetate464-05-1Salt
Hydrofluoric acid pyridine complex32001-55-1Salt
Pyridine methanesulfonate39879-60-2Salt
Pyridinium fluorochromate83042-08-4Salt
Bis(pyridine)iodonium tetrafluoroborate15656-28-7Salt
Similar compounds
Sulfur trioxide7446-11-940 % similar
Cornforth reagent20039-37-638 % similar
Pyrimidine289-95-232 % similar
Pyrazine290-37-931 % similar
4-Phenylpyridine939-23-130 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.