pyridine, sulfonylideneoxidane

Basic Information

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CAS Number

26412-87-3

Molecular Formula

C5H5NO3S

Molecular Weight

159.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

~160 °C

Solubility

Soluble in polar organic solvents.

SMILES

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C1=CC=NC=C1.O=S(=O)=O

InChI

InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;

InChIKey

UDYFLDICVHJSOY-UHFFFAOYSA-N

LogP

0.07750000000000035

Topological Polar Surface Area

64.1 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

92.8

Safety Information

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GHS Hazard Pictograms

H302

H314

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Moisture Sensitive

Synonyms & References

English

sulfur trioxide-pyridine
Py.SO3
NSC75831
s12334
EN300-30095
EINECS 247-683-3
sulfur trioxide pyridine
J-016414
Pyridine sulfotrioxide
Sulphur trioxide pyridine (1:1)
Pyridine; compound with GENERIC INORGANIC NEUTRAL COMPONENT
P0998
Pyridine, compound with sulphur trioxide
MFCD00012437
Q7636231
pyridine sulphur trioxide
SO3.Pyridine
J-524102
Pyridine sulfur trioxide
SVL47N2N3Y
EC 247-683-3
SCHEMBL39580
Pyridine compound with sulfur trioxide (1:1)
Sulphur trioxide pyridine
NSC-75831
Sulphur trioxide--pyridine (1:1)
EINECS 248-968-5
CS-0015119
pyridine;sulfur trioxide
FT-0638601
NS00082792

MDL Number

MFCD00012437

Customs Code

29420000

FAQ

What is pyridine, sulfonylideneoxidane (CAS: 26412-87-3)?

Pyridine, sulfonylideneoxidane (CAS: 26412-87-3) is an organic compound with the chemical formula C5H5NSO. It is a derivative of pyridine featuring a sulfonylidene (S=O) and oxidane (C-O) functional group, making it a versatile reagent in synthetic chemistry. This compound is typically a colorless liquid with a pungent odor and exhibits moderate solubility in organic solvents.

What are the main uses of pyridine, sulfonylideneoxidane (CAS: 26412-87-3)?

Pyridine, sulfonylideneoxidane (CAS: 26412-87-3) is primarily used in pharmaceutical research as a synthetic intermediate for drug development. It finds applications in the production of sulfonamide derivatives and as a key component in organic reactions involving oxidation and sulfonation. Additionally, it is utilized in industrial chemical processes and laboratory settings for functional group modifications.

Is pyridine, sulfonylideneoxidane (CAS: 26412-87-3) safe?

Pyridine, sulfonylideneoxidane (CAS: 26412-87-3) requires careful handling due to its potential toxicity. It may cause skin and eye irritation, respiratory issues, and is classified as a harmful substance under safety standards. Protective measures such as gloves, goggles, and proper ventilation are essential, and it should be stored away from incompatible materials to ensure safety during use.

How should pyridine, sulfonylideneoxidane (CAS: 26412-87-3) be stored?

Pyridine, sulfonylideneoxidane (CAS: 26412-87-3) should be stored in a cool, dry, and dark environment to maintain stability. It is best kept in a sealed glass container at temperatures below 25°C, away from heat sources and direct light. Storage precautions include avoiding exposure to moisture and incompatible chemicals, and ensuring proper labeling for safe handling.