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2,3-Dichloropyrazine Structure

2,3-Dichloropyrazine

Chemical Properties

Melting point 22.5-24.5 °C
Boiling point 105-107 °C (50 mmHg)
Density  1.431 g/mL at 25 °C (lit.)
refractive index  1.5645
Flash point 102 °C
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Chloroform (Slightly), Methanol (Slightly)
form  Solid
pka -4.23±0.10(Predicted)
Specific Gravity 1.431
color  Off-White to Light Yellow
BRN  112628
LogP 1.419 (est)
CAS DataBase Reference 4858-85-9(CAS DataBase Reference)
NIST Chemistry Reference Pyrazine, 2,3-dichloro-(4858-85-9)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302-H315-H319-H335
Precautionary statements P261-P264-P270-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-20/21/22
Safety Statements  36/37/39-26-36
WGK Germany  3
HazardClass  IRRITANT
HS Code  29339900
NFPA 704:
1
2 0

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