2,2'-Dithiodipyridine , 98% , 2127-03-9

Synonym(s):
2,2′-Dipyridyl disulfide;2,2′-Dithiodipyridine

CAS NO.：2127-03-9

Empirical Formula: C10H8N2S2

Molecular Weight: 220.31

MDL number: MFCD00006287

EINECS: 218-343-1

PRODUCT Properties

• Melting point: 56-58 °C(lit.)
• Boiling point: 356.1±17.0 °C(Predicted)
• Density: 1.3078 (rough estimate)
• refractive index: 1.5500 (estimate)
• Flash point: 210 °C
• storage temp.: 2-8°C
• solubility: methanol: soluble50mg/mL, clear to very slightly hazy, colorless to faintly brownish-yellow
• pka: 1.52±0.19(Predicted)
• form: powder
• color: Clear colorless to yellow to tan
• Water Solubility: 5 g/L (20 ºC)
• BRN: 154629
• InChIKey: HAXFWIACAGNFHA-UHFFFAOYSA-N
• LogP: 2.530 (est)
• CAS DataBase Reference: 2127-03-9(CAS DataBase Reference)
• NIST Chemistry Reference: Pyridine, 2,2'-dithiobis-(2127-03-9)
• EPA Substance Registry System: Pyridine, 2,2'-dithiobis- (2127-03-9)

Description and Uses

2,2'-Dipyridyl disulfide is a useful reagent for determination of sulfhydryl groups, preparation of amino acid active esters and the thio esters of phosphoric acid. It acts as a peptide coupling reagent and as an oxidizing agent. It is also used for the activation of glycosides.

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,Xn
• Risk Statements: 36/37/38-37-20/22
• Safety Statements: 36/37/39-37/39-25-22-36-26
• RIDADR: UN 3335
• WGK Germany: 3
• F: 10-23
• Autoignition Temperature: 340 °C
• Hazard Note: Irritant
• TSCA: Yes
• HS Code: 29333990