4-Mercaptopyridine , 96% , 4556-23-4

Synonym(s):
4-Pyridinethiol

CAS NO.：4556-23-4

Empirical Formula: C5H5NS

Molecular Weight: 111.16

MDL number: MFCD00006422

EINECS: 224-926-1

PRODUCT Properties

• Melting point: 182-189 °C
• Boiling point: 194.0±13.0 °C(Predicted)
• Density: 1.161 (estimate)
• refractive index: 1.5605 (estimate)
• storage temp.: 2-8°C
• solubility: DMSO, Methanol
• pka: pK1:1.43(＋1);pK2:8.86(0) (20°C)
• form: Crystalline Powder
• color: Yellow to yellow-green or brown
• InChI: InChI=1S/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
• InChIKey: FHTDDANQIMVWKZ-UHFFFAOYSA-N
• SMILES: C1=NC=CC(S)=C1
• CAS DataBase Reference: 4556-23-4(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Pyridinethiol(4556-23-4)

Description and Uses

4-Mercaptopyridine is a pyridine derivative used as a redox reagents for the in vitro refolding of a recombinantly expressed single-chain Fv fragment (scFvOx). Used in studies along with thiosulfate to measure alliinase activity.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39-24/25
• WGK Germany: 3
• RTECS: UT8578000
• HS Code: 29333990