Styphnic acid

Styphnic acid
Names
Preferred IUPAC name
2,4,6-Trinitrobenzene-1,3-diol
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.001.306
UNII
UN number 0219 – Dry or wetted with < 20% water/alcohol
0394 – Wetted with >= 20% water/alcohol
  • InChI=1S/C6H3N3O8/c10-5-2(7(12)13)1-3(8(14)15)6(11)4(5)9(16)17/h1,10-11H Y
    Key: IXHMHWIBCIYOAZ-UHFFFAOYSA-N Y
  • InChI=1/C6H3N3O8/c10-5-2(7(12)13)1-3(8(14)15)6(11)4(5)9(16)17/h1,10-11H
    Key: IXHMHWIBCIYOAZ-UHFFFAOYAQ
  • c1c(c(c(c(c1[N+](=O)[O-])O)[N+](=O)[O-])O)[N+](=O)[O-]
Properties
C6H3N3O8
Molar mass 245.11 g/mol
Density 1.829 g/cm3
Melting point 180 °C (356 °F; 453 K)
Boiling point decomposes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Styphnic acid (from Greek stryphnos "astringent"), or 2,4,6-trinitro-1,3-benzenediol, is a yellow astringent acid that forms hexagonal crystals. It is used in the manufacture of dyes, pigments, inks, medicines, and explosives such as lead styphnate. It is itself a low-sensitivity explosive, similar to picric acid, but explodes upon rapid heating.

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