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82610 Sigma-Aldrich

Pyrazine

purum, ≥98.0% (GC)

  • CAS Number 290-37-9

  • Empirical Formula (Hill Notation) C4H4N2

  • Molecular Weight 80.09

  •  Beilstein Registry Number 103905

  •  EC Number 206-027-6

  •  MDL number MFCD00006122

  •  PubChem Substance ID 329769253

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Properties

Related Categories Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Pyrazines
InChI Key   KYQCOXFCLRTKLS-UHFFFAOYSA-N
grade   purum
assay   ≥98.0% (GC)
ign. residue   ≤0.05%
bp   115-116 °C(lit.)
mp   50-53 °C
  50-56 °C(lit.)
density   1.031 g/mL at 25 °C(lit.)

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Other Notes

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all
WGK Germany 
3
RTECS 
UQ2015000
Flash Point(F) 
131 °F
Flash Point(C) 
55 °C
Protocols & Articles
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P56003 Pyrazine, ≥99%

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