2 2′-Bipyridine; 2 2′-dipyridyl（CAS# 366-18-7)

Molecular Formula	C10H8N2
Molar Mass	156.18
Density	1.1668 (rough estimate)
Melting Point	70-73°C(lit.)
Boling Point	273°C(lit.)
Flash Point	121 °C
Water Solubility	5.5 g/L 22 ºC
Solubility	Soluble in ethanol, ether, benzene, chloroform and petroleum ether, slightly soluble in water.
Vapor Presure	0.584Pa at 25℃
Appearance	White crystalline powder
Color	White to almost white
Odor	Characteristic odour
Merck	14,3347
BRN	113089
pKa	pK1:-0.52(+2);pK2:4.352(+1) (20°C)
PH	7.5 (5g/l, H2O, 25℃)
Storage Condition	room temp
Stability	Stable. Incompatible with strong oxidizing agents, most common metals. May be light sensitive.
Sensitive	Sensitive to light
Refractive Index	1.4820 (estimate)
MDL	MFCD00006212
Physical and Chemical Properties	appearance white or light red crystalline powder melting point 70-73°C boiling point 273°C water-soluble 5.5g/L 22°C, soluble in alcohol, ether, benzene, chloroform and petroleum ether; Soluble in water, the solution is red when met with ferrous salt
Use	For organic synthesis, pharmaceutical intermediates

Product Detail

Risk Codes	R25 – Toxic if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R20/21 – Harmful by inhalation and in contact with skin. R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R21 – Harmful in contact with skin
Safety Description	S36/37 – Wear suitable protective clothing and gloves. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
UN IDs	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	DW1750000
FLUKA BRAND F CODES	8
TSCA	Yes
HS Code	29333999
Hazard Note	Irritant
Hazard Class	6.1
Packing Group	III
Toxicity	LD50 i.p. in mice: 200 mg/kg (Grady)