Tetryl

2,4,6-Trinitrophenylmethylnitramine or tetryl (C7H5N5O8) is an explosive compound used to make detonators and explosive booster charges.

Tetryl
Names
Preferred IUPAC name
Methyl(2,4,6-trinitrophenyl)nitramide
Other names
  • Nitramine (incorrect)
  • Tetralite
  • Tetril
  • N-Methyl-N,2,4,6-tetranitroaniline
  • N-Methyl-N,2,4,6-tetranitrophenyl-1-amine
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.006.848
RTECS number
  • BY6300000
UNII
UN number 0208
  • InChI=1S/C7H5N5O8/c1-8(12(19)20)7-5(10(15)16)2-4(9(13)14)3-6(7)11(17)18/h2-3H,1H3 Y
    Key: AGUIVNYEYSCPNI-UHFFFAOYSA-N Y
  • InChI=1/C7H5N5O8/c1-8(12(19)20)7-5(10(15)16)2-4(9(13)14)3-6(7)11(17)18/h2-3H,1H3
    Key: AGUIVNYEYSCPNI-UHFFFAOYAF
  • CN(c1c(cc(cc1[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
Properties
C7H5N5O8
Molar mass 287.144 g·mol−1
Appearance Yellow crystalline solid
Odor Odorless
Density 1.73 g/cm3
Melting point 129.5 °C (265.1 °F; 402.6 K)
Boiling point 187 °C (369 °F; 460 K) decomposes
Virtually insoluble
Vapor pressure <1 mmHg (20°C)
Explosive data
Shock sensitivity Sensitive
Friction sensitivity Sensitive
Detonation velocity 7,570 m/s (24,836 f/s)
RE factor 1.25
Hazards
Lethal dose or concentration (LD, LC):
5000 mg/kg (dog, subcutaneous)
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 1.5 mg/m3 [skin]
REL (Recommended)
 TWA 1.5 mg/m3 [skin]
IDLH (Immediate danger)
 750 mg/m3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Tetryl is a nitramine booster explosive, though its use has been largely superseded by RDX. Tetryl is a sensitive secondary high explosive used as a booster, a small charge placed next to the detonator in order to propagate detonation into the main explosive charge.

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