Lead picrate

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Lead picrate
Names
IUPAC name
Lead(II) 2,4,6-trinitrophenolate
Other names
Lead dipicrate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.210.303 Edit this at Wikidata
EC Number
  • 229-335-2
  • InChI=1S/2C6H3N3O7.Pb/c2*10-6-4(8(13)14)1-3(7(11)12)2-5(6)9(15)16;/h2*1-2,10H;/q;;+2/p-2
    Key: MHVVRZIRWITSIP-UHFFFAOYSA-L
  • C1=C(C=C(C(=C1[N+](=O)[O-])[O-])[N+](=O)[O-])[N+](=O)[O-].C1=C(C=C(C(=C1[N+](=O)[O-])[O-])[N+](=O)[O-])[N+](=O)[O-].[Pb+2]
Properties
C12H4N6O14Pb
Molar mass 663.4 g·mol−1
Appearance Orange powder
7.06 g/L [1]
Solubility Soluble in ethanol, acetic acid[1]
Very soluble in DMF,[1] dichloromethane[2]
Hazards
GHS labelling:
GHS01: Explosive GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
Danger
H201, H302, H332, H360, H373, H410
P260, P261, P264, P270, P271, P273, P280, P304+P340, P330, P391, P405, P501
270.75-327.15 °C (519.7-621.0 °F; 600.3-543.9 K)[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Lead picrate is an organic picrate salt.[3] It is a sensitive and highly explosive compound that is typically found as a hydrate.[2] Dry lead picrate is incredibly dangerous and cannot be handled without explosive decomposition occurring.

History

Lead picrate was first discovered in the early 1900s. It was investigated by numerous militaries during the First World War as a potential primary explosive, most notably Germany for using it in blasting caps.[2]

Preparation

Numerous lead precursors can be used to create lead picrate. Two of the simplest examples of lead picrate synthesis are the addition of lead(II) oxide or lead carbonate with picric acid.[2]

References

  1. ^ a b c Yang, Li; Pei, Qin; Zhang, Tonglai; Zhang, Jianguo; Cao, Yunling (2007). "Solubilities and enthalpies of solution of picric acid and picrates at 298.15K in DMF, EtOH and acetic acid". Thermochimica Acta. 463 (1–2): 13–14. doi:10.1016/j.tca.2007.04.013.
  2. ^ a b c d e Matsukakwa, Makoto; Matsunaga, Takehiro; Yoshida, Masatake; Fujiwara, Shuzo (2004). "Synthesis and properties of lead picrates". Science and Technology of Energetic Materials. 65 (1): 7–13.
  3. ^ Jai Prakash Agrawal (2015). High Energy Materials: Propellants, Explosives and Pyrotechnics. John Wiley & Sons.


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