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83193 Sigma-Aldrich

2H-Pyran-2-one

technical, ≥90% (GC)

Synonym: α-Pyrone

  • CAS Number 504-31-4

  • Empirical Formula (Hill Notation) C5H4O2

  • Molecular Weight 96.08

  •  Beilstein Registry Number 1511

  •  EC Number 207-990-5

  •  MDL number MFCD00006639

  •  PubChem Substance ID 24888095

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Properties

Related Categories Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Pyrans
InChI Key   ZPSJGADGUYYRKE-UHFFFAOYSA-N
grade   technical
assay   ≥90% (GC)
refractive index   n20/D 1.53(lit.)
  n20/D 1.530
bp   102-103 °C/20 mmHg(lit.)
density   1.197 g/mL at 25 °C(lit.)

Description

Other Notes

Diene, M. Nakagawa, M. Tonozuka, M. Obi, M. Kiuchi, T. Hino

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
201.2 °F
Flash Point(C) 
94 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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