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5910-89-4

Name 2,3-Dimethylpyrazine
CAS 5910-89-4
EINECS(EC#) 227-630-0
Molecular Formula C6H8N2
MDL Number MFCD00197755
Molecular Weight 108.14
MOL File 5910-89-4.mol
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Chemical Properties

Appearance CLEAR YELLOW TO ORANGE LIQUID
Melting point  11-13 °C
Boiling point  156 °C (lit.)
density  1.02
FEMA  3271
refractive index  n20/D 1.507(lit.)
Fp  130 °F
storage temp.  Flammables area
solubility  Chloroform (Sparingly), Methanol (Slightly)
form  clear liquid
pka 2.21±0.10(Predicted)
color  Colorless to Light orange to Yellow
Specific Gravity 1.022
Odor roasted odor, reminiscent of nuts
PH 7 (H2O, 20℃)
biological source synthetic
Odor Type nutty
Detection Methods GC
JECFA Number 765
BRN  107908
Major Application flavors and fragrances
InChI 1S/C6H8N2/c1-5-6(2)8-4-3-7-5/h3-4H,1-2H3
InChIKey OXQOBQJCDNLAPO-UHFFFAOYSA-N
SMILES Cc1nccnc1C
LogP 0.64
CAS DataBase Reference 5910-89-4(CAS DataBase Reference)
NIST Chemistry Reference Pyrazine, 2,3-dimethyl-(5910-89-4)
EPA Substance Registry System 5910-89-4(EPA Substance)
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Safety Data

Hazard Codes  Xn,F,Xi
Risk Statements 
R10:Flammable.
R22:Harmful if swallowed.
R37/38:Irritating to respiratory system and skin .
R41:Risk of serious damage to eyes.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
RIDADR  UN 1993 3/PG 3
WGK Germany  3
RTECS  UQ2625000
Hazard Note  Irritant/Flammable
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29339990
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. Flammable liquid when exposed to heat, sparks, or flame. When heated to decomposition it emits toxic fumes of NOx

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