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Substance Name: Isoflurophate [USP]
RN: 55-91-4
UNII: 12UHW9R67N
InChIKey: MUCZHBLJLSDCSD-UHFFFAOYSA-N

Note

  • A di-isopropyl-fluorophosphate which is an irreversible cholinesterase inhibitor used to investigate the NERVOUS SYSTEM.

Molecular Formula

  • C6-H14-F-O3-P

Molecular Weight

  • 184.1456
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Cholinergic (Ophthalmic)
  • Cholinergic Agents
  • Cholinesterase Inhibitors
  • Drug / Therapeutic Agent
  • Enzyme Inhibitors
  • Human Data
  • Insecticide
  • Neurotransmitter Agents
  • Protease Inhibitors
  • Reproductive Effect

Superlist Classification Codes

  • Reportable Quantity (RQ) = 100 lb
  • Threshold Planning Quantity (TPQ) = 100 lb

Names and Synonyms

Name of Substance

  • Diisopropyl fluorophosphate
  • Isoflurophate
  • Isoflurophate [USP]

MeSH Heading

  • Isoflurophate

Synonyms

  • 4-01-00-01480 (Beilstein Handbook Reference)
  • BRN 1723307
  • DFP
  • DFP (pesticide)
  • Diflupyl
  • Diflurophate
  • Diisopropoxyphosphoryl fluoride
  • Diisopropyl fluorophosphate
  • Diisopropyl fluorophosphonate
  • Diisopropyl phosphofluoridate
  • Diisopropyl phosphorofluoridate
  • Diisopropylfluorfosfat
  • Diisopropylfluorfosfat [Czech]
  • Diisopropylfluorophosphate
  • Diisopropylfluorophosphoric acid ester
  • Diisopropylfluorphosphorsaeureester
  • Diisopropylfluorphosphorsaeureester [German]
  • Diisopropylphosphorofluoridate
  • Dyflos
  • EA 1152
  • EINECS 200-247-6
  • Floropryl
  • Fluophosphoric acid, diisopropyl ester
  • Fluorodiisopropyl phosphate
  • Fluorophosphoric acid, diisopropyl ester
  • Fluostigmine
  • HSDB 2133
  • Isofluorophate
  • Isoflurophate
  • Isoflurophosphate
  • Isopropyl fluophosphate
  • Isopropyl phosphorofluoridate
  • Neoglaucit
  • O,O'-Diisopropyl phosphoryl fluoride
  • O,O-Diisopropyl fluorophosphate
  • PF-3
  • Phosphorofluoridic acid, bis(1-methylethyl) ester
  • Phosphorofluoridic acid, diisopropyl ester
  • RCRA waste number P043
  • T-1703
  • TL 466
  • UNII-12UHW9R67N

Systematic Names

  • Diisopropyl phosphorofluoridate
  • Phosphorofluoridic acid, bis(1-methylethyl) ester

Superlist Names

  • Diisopropyl fluorophosphate
  • Isofluorphate
  • Phosphorofluoridic acid, bis(1-methylethyl) ester
  • RCRA waste no. P043

Registry Numbers

CAS Registry Number

  • 55-91-4

FDA UNII

  • 12UHW9R67N

Other Registry Number

  • 37209-35-1

System Generated Number

  • 0000055914

Structure Descriptors

InChI

1S/C6H14FO3P/c1-5(2)9-11(7,8)10-6(3)4/h5-6H,1-4H3

InChIKey

MUCZHBLJLSDCSD-UHFFFAOYSA-N

Smiles

P(OC(C)C)(OC(C)C)(=O)F

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 intravenous 1700ug/kg (1.7mg/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

CARDIAC: OTHER CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 400, 1946.
cat LD50 oral 1600mg/kg (1600mg/kg)   Deutsche Gesundheitswesen. Vol. 15, Pg. 2179, 1960.
dog LD50 intravenous 3430ug/kg (3.43mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

BEHAVIORAL: ATAXIA

BEHAVIORAL: TREMOR
Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
dog LD50 subcutaneous 3mg/kg (3mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
dog LDLo intramuscular 3mg/kg (3mg/kg) PERIPHERAL NERVE AND SENSATION: FASCICULATIONS

BEHAVIORAL: TREMOR
Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 421, 1946.
domestic animals - goat/sheep LD50 intravenous 800ug/kg (0.8mg/kg) BEHAVIORAL: COMA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
National Technical Information Service. Vol. PB158-508,
domestic animals - goat/sheep LD50 subcutaneous 1mg/kg (1mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

BEHAVIORAL: COMA

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
National Technical Information Service. Vol. PB158-508,
frog LD50 parenteral 1450mg/kg (1450mg/kg) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Archives Internationales de Pharmacodynamie et de Therapie. Vol. 124, Pg. 212, 1960.
human TCLo inhalation 8200ug/m3/10M (8.2mg/m3) BEHAVIORAL: HEADACHE

SENSE ORGANS AND SPECIAL SENSES: MIOSIS (PUPILLARY CONSTRICTION): EYE
National Technical Information Service. Vol. PB158-508,
man LDLo intramuscular 480ug/kg (0.48mg/kg)   Journal of Clinical Investigation. Vol. 37, Pg. 350, 1958.
man LDLo oral 2100ug/kg (2.1mg/kg)   Journal of Clinical Investigation. Vol. 37, Pg. 350, 1958.
monkey LD50 intravenous 100ug/kg (0.1mg/kg)   National Technical Information Service. Vol. PB158-508,
monkey LD50 subcutaneous 1mg/kg (1mg/kg)   Deutsche Gesundheitswesen. Vol. 15, Pg. 2179, 1960.
monkey LDLo intramuscular 200ug/kg (0.2mg/kg) PERIPHERAL NERVE AND SENSATION: FASCICULATIONS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 421, 1946.
mouse LC50 inhalation 440mg/m3/10M (440mg/m3) SENSE ORGANS AND SPECIAL SENSES: MIOSIS (PUPILLARY CONSTRICTION): EYE Nature. Vol. 157, Pg. 287, 1946.
mouse LD50 intraperitoneal 2450ug/kg (2.45mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: TREMOR
Archivum Immunologiae et Therapiae Experimentalis. Vol. 23, Pg. 769, 1975.
mouse LD50 intravenous 3200ug/kg (3.2mg/kg)   Biochemical Pharmacology. Vol. 15, Pg. 169, 1966.
mouse LD50 oral 2mg/kg (2mg/kg)   National Technical Information Service. Vol. PB158-508,
mouse LD50 skin 72mg/kg (72mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
mouse LD50 subcutaneous 3mg/kg (3mg/kg) BEHAVIORAL: TREMOR

LUNGS, THORAX, OR RESPIRATION: CYANOSIS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of Pharmacy and Pharmacology. Vol. 34, Pg. 603, 1982.
mouse LD50 unreported 5mg/kg (5mg/kg)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 239, Pg. 126, 1960.
rabbit LD50 intramuscular 750ug/kg (0.75mg/kg)   National Technical Information Service. Vol. PB158-508,
rabbit LD50 intravenous 300ug/kg (0.3mg/kg)   National Technical Information Service. Vol. PB158-508,
rabbit LD50 ocular 1150ug/kg (1.15mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
rabbit LD50 oral 4mg/kg (4mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
rabbit LD50 skin > 117mg/kg (117mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
rabbit LD50 subcutaneous 1mg/kg (1mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 87, Pg. 414, 1946.
rat LC50 inhalation 360mg/m3/10M (360mg/m3) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: MUSCLE WEAKNESS

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Journal of the Chemical Society. Vol. -, Pg. 695, 1948.
rat LD50 intramuscular 1800ug/kg (1.8mg/kg)   Journal of Clinical Investigation. Vol. 37, Pg. 350, 1958.
rat LD50 intraperitoneal 1280ug/kg (1.28mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Arzneimittel-Forschung. Drug Research. Vol. 14, Pg. 85, 1964.
rat LD50 oral 5mg/kg (5mg/kg)   National Technical Information Service. Vol. PB158-508,
rat LD50 subcutaneous 1440ug/kg (1.44mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 226, Pg. 302, 1977.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -8.20E+01 deg C   EXP
Boiling Point 183 deg C   EXP
log P (octanol-water) 1.130 (none)   EST
Water Solubility 1.54E+04 mg/L 25 EXP
Vapor Pressure 0.579 mm Hg 20 EXP
Henry's Law Constant 9.11E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.02E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.