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Nitroglycerin information


Nitroglycerin
Skeletal formula of zwitterionic nitroglycerin
Ball and stick model of nitroglycerin
Spacefill model of nitroglycerin
Names
Preferred IUPAC name
Propane-1,2,3-triyl trinitrate
Other names
  • 1,2,3-Tris(nitrooxy)propane
  • 1,2,3-Trinitroxypropane
  • Glyceryl trinitrate
  • GTN
  • Nitro
  • TNG
  • Trinitroglycerin
  • alpha,alpha,alpha-Trinitroglycerin
Identifiers
CAS Number
  • 55-63-0 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
1802063
ChEBI
  • CHEBI:28787 checkY
ChEMBL
  • ChEMBL730 checkY
ChemSpider
  • 4354 checkY
DrugBank
  • DB00727 checkY
ECHA InfoCard 100.000.219 Edit this at Wikidata
EC Number
  • 200-240-8
Gmelin Reference
165859
IUPHAR/BPS
  • 7053
KEGG
  • D00515 checkY
MeSH Nitroglycerin
PubChem CID
  • 4510
UNII
  • G59M7S0WS3 checkY
UN number 0143, 0144, 1204, 3064, 3319
CompTox Dashboard (EPA)
  • DTXSID1021407 Edit this at Wikidata
InChI
  • InChI=1S/C3H5N3O9/c7-4(8)13-1-3(15-6(11)12)2-14-5(9)10/h3H,1-2H2 checkY
    Key: SNIOPGDIGTZGOP-UHFFFAOYSA-N checkY
  • InChI=1/C3H5N3O9/c7-4(8)13-1-3(15-6(11)12)2-14-5(9)10/h3H,1-2H2
    Key: SNIOPGDIGTZGOP-UHFFFAOYAR
SMILES
  • C(C(CO[N+](=O)[O-])O[N+](=O)[O-])O[N+](=O)[O-]
Properties
Chemical formula
C3H5N3O9
Molar mass 227.085 g·mol−1
Appearance Colorless liquid
Density 1.6 g⋅cm−3 (at 15 °C)
Melting point 14 °C (57 °F; 287 K)
Boiling point 50 °C (122 °F; 323 K) Explodes
Solubility in water
Slightly[1]
Solubility Acetone, ether, benzene, alcohol[1]
log P 2.154
Structure
Coordination geometry
  • Tetragonal at C1, C2, and C3
  • Trigonal planar at N7, N8, and N9
Molecular shape
  • Tetrahedral at C1, C2, and C3
  • Dihedral at N7, N8, and N9
Explosive data
Shock sensitivity High
Friction sensitivity High
Detonation velocity 7,700 m/s
RE factor 1.50
Thermochemistry
Std enthalpy of
formation fH298)
−370 kJ⋅mol−1
Std enthalpy of
combustion cH298)
−1.529 MJ⋅mol−1
Pharmacology
ATC code
C01DA02 (WHO) C05AE01 (WHO)
Routes of
administration
Intravenous, by mouth, under the tongue, topical
Pharmacokinetics:
Bioavailability
<1%
Metabolism
Liver
Biological half-life
3 min
Legal status
  • AU: S3 (Pharmacist only)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Explosive, toxic
GHS labelling:
Pictograms
GHS02: Flammable GHS06: Toxic GHS08: Health hazard GHS01: Explosive
Signal word
Danger
Hazard statements
H202, H205, H241, H301, H311, H331, H370
Precautionary statements
P210, P243, P250, P260, P264, P270, P271, P280, P302+P352, P410
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability 4: Readily capable of detonation or explosive decomposition at normal temperatures and pressures. E.g. nitroglycerinSpecial hazards (white): no code
3
2
4
NIOSH (US health exposure limits):
PEL (Permissible)
C 0.2 ppm (2 mg/m3) [skin][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

Nitroglycerin (NG) (alternative spelling of nitroglycerine), also known as trinitroglycerin (TNG), nitro, glyceryl trinitrate (GTN), or 1,2,3-trinitroxypropane, is a dense, colorless, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the formation of the nitric acid ester. Chemically, the substance is an organic nitrate compound rather than a nitro compound, but the traditional name is retained. Discovered in 1847 by Ascanio Sobrero, nitroglycerin has been used as an active ingredient in the manufacture of explosives, namely dynamite, and as such it is employed in the construction, demolition, and mining industries. It is combined with nitrocellulose to form double-based smokeless powder, which has been used as a propellant in artillery and firearms since the 1880s.

Nitroglycerin has been used for over 130 years in medicine as a potent vasodilator (causing dilation of the vascular system) to treat heart conditions, such as angina pectoris and chronic heart failure. Though it was previously known that these beneficial effects are due to nitroglycerin being converted to nitric oxide, a potent venodilator, the enzyme for this conversion was only discovered to be mitochondrial aldehyde dehydrogenase (ALDH2) in 2002.[4] Nitroglycerin is available in sublingual tablets, sprays, ointments, and patches.[5]

  1. ^ a b "Occupational Safety and Health Guideline for Nitroglycerin". Archived from the original on 16 May 2013. Retrieved 19 October 2016.
  2. ^ NIOSH Pocket Guide to Chemical Hazards. "#0456". National Institute for Occupational Safety and Health (NIOSH).
  3. ^ "Hazard Rating Information for NFPA Fire Diamonds". Archived from the original on 17 February 2015.
  4. ^ Chen, Z.; Foster, M. W.; Zhang, J.; Mao, L.; Rockman, H. A.; Kawamoto, T.; Kitagawa, K.; Nakayama, K. I.; Hess, D. T.; Stamler, J. S. (2005). "An essential role for mitochondrial aldehyde dehydrogenase in nitroglycerin bioactivation". Proceedings of the National Academy of Sciences. 102 (34): 12159–12164. Bibcode:2005PNAS..10212159C. doi:10.1073/pnas.0503723102. PMC 1189320. PMID 16103363.
  5. ^ "Unknown, behind paywall, archived". Archived from the original on 10 May 2017. Retrieved 14 April 2018.

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