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Strychnine information


Strychnine
Names
IUPAC name
Strychnidin-10-one[1]
Systematic IUPAC name
(4bR,4b1S,7aS,8aR,8a1R,12aS)-4b1,5,6,7a,8,8a,8a1,11,12a,13-Decahydro-14H-12-oxa-7,14a-diaza-7,9-methanocyclohepta[cd]cyclopenta[g]fluoranthen-14-one
Identifiers
CAS Number
  • 57-24-9 (base) checkY
  • 60-41-3 (sulfate) checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:28973 checkY
ChEMBL
  • ChEMBL227934 checkY
  • ChEMBL612118 checkY
  • ChEMBL486399 checkY
ChemSpider
  • 389877 checkY
ECHA InfoCard 100.000.290 Edit this at Wikidata
IUPHAR/BPS
  • 347
KEGG
  • C06522 checkY
PubChem CID
  • 441071
RTECS number
  • WL2275000
UNII
  • H9Y79VD43J (base) checkY
  • FA486DV76S (sulfate) checkY
UN number 1692
CompTox Dashboard (EPA)
  • DTXSID6023600 Edit this at Wikidata
InChI
  • InChI=1S/C21H22N2O2/c24-18-10-16-19-13-9-17-21(6-7-22(17)11-12(13)5-8-25-16)14-3-1-2-4-15(14)23(18)20(19)21/h1-5,13,16-17,19-20H,6-11H2/t13-,16-,17-,19-,20-,21+/m0/s1 checkY
    Key: QMGVPVSNSZLJIA-FVWCLLPLSA-N checkY
  • InChI=1/C21H22N2O2/c24-18-10-16-19-13-9-17-21(6-7-22(17)11-12(13)5-8-25-16)14-3-1-2-4-15(14)23(18)20(19)21/h1-5,13,16-17,19-20H,6-11H2/t13-,16-,17-,19-,20-,21+/m0/s1
    Key: QMGVPVSNSZLJIA-FVWCLLPLBR
SMILES
  • O=C7N2c1ccccc1[C@@]64[C@@H]2[C@@H]3[C@@H](OC/C=C5\[C@@H]3C[C@@H]6N(CC4)C5)C7
Properties
Chemical formula
C21H22N2O2
Molar mass 334.419 g·mol−1
Appearance White or translucent crystal or crystalline powder; Bitter tasting
Odor Odorless
Density 1.36 g cm−3
Melting point 270 °C; 518 °F; 543 K
Boiling point 284 to 286 °C; 543 to 547 °F; 557 to 559 K
Solubility in water
0.02% (20°C)[2]
Acidity (pKa) 8.25[3]
Pharmacology
Legal status
  • BR: Class F4 (Other prohibited substances)[4]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Extremely toxic
GHS labelling:
Pictograms
GHS06: ToxicGHS09: Environmental hazard
Signal word
Danger
Hazard statements
H300, H310, H330, H410
Precautionary statements
P260, P264, P273, P280, P284, P301+P310
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
4
0
0
Flash point Non flammable
Autoignition
temperature
Non flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose)
  • 0.5 mg/kg (dog, oral)
  • 0.5 mg/kg (cat, oral)
  • 2 mg/kg (mouse, oral)
  • 16 mg/kg (rat, oral)
  • 2.35 mg/kg (rat, oral)[5]
LDLo (lowest published)
0.6 mg/kg (rabbit, oral)[5]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 0.15 mg/m3[2]
REL (Recommended)
TWA 0.15 mg/m3[2]
IDLH (Immediate danger)
3 mg/m3[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Strychnine (/ˈstrɪknn, -nɪn/, STRIK-neen, -⁠nin, US chiefly /-nn/ -⁠nyne)[6][7] is a highly toxic, colorless, bitter, crystalline alkaloid used as a pesticide, particularly for killing small vertebrates such as birds and rodents. Strychnine, when inhaled, swallowed, or absorbed through the eyes or mouth, causes poisoning which results in muscular convulsions and eventually death through asphyxia.[8] While it is no longer used medicinally, it was used historically in small doses to strengthen muscle contractions, such as a heart and bowel stimulant[9] and performance-enhancing drug. The most common source is from the seeds of the Strychnos nux-vomica tree.

  1. ^ Retrieved from SciFinder. [May 7, 2018]
  2. ^ a b c d Cite error: The named reference PGCH was invoked but never defined (see the help page).
  3. ^ Everett AJ, Openshaw HT, Smith GF (1957). "The constitution of aspidospermine. Part III. Reactivity at the nitrogen atoms, and biogenetic considerations". Journal of the Chemical Society: 1120–1123. doi:10.1039/JR9570001120. S2CID 94111547.
  4. ^ Anvisa (2023-07-24). "RDC Nº 804 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 804 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 2023-07-25). Archived from the original on 2023-08-27. Retrieved 2023-08-27.
  5. ^ a b "Strychnine". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  6. ^ Wells JC (2008). Longman Pronunciation Dictionary (3rd ed.). Longman. ISBN 978-1-4058-8118-0.
  7. ^ Jones D (2011). Roach P, Setter J, Esling J (eds.). Cambridge English Pronouncing Dictionary (18th ed.). Cambridge University Press. ISBN 978-0-521-15255-6.
  8. ^ Sharma RK (2007). "Spinal Poisons". Concise Textbook of Forensic Medicine & Toxicology (2nd ed.). Elsevier. pp. 306–308. ISBN 978-81-312-1145-8.
  9. ^ Munro J (1914-04-18). "Veronal Poisoning: Case of Recovery from 125 Grains". British Medical Journal. 1 (2781): 854–856. doi:10.1136/bmj.1.2781.854. ISSN 0007-1447. PMC 2300683. PMID 20767090. S2CID 41592291. An attempt was made to administer a soap-and-water enema, but the sphincter was not acting. After hypodermic injection of 1/45 grain [1.44 mg] strychnine, a second attempt was made, and a good evacuation of the bowel followed, after which half a pint [284 ml] of normal saline was injected and retained. [...] We decided to adhere to the treatment already commenced – namely, periodical rectal injection of saline and withdrawals of urine by catheter, with oxygen inhalation for cyanosis, and strychnine hypodermically as the pulse weakened.

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