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D0879

Diisopropylfluorophosphate

synthetic (organic), serine proteases and acetylcholinesterase inhibitor, liquid

Synonyme(s) :

DFP, DIFP, Diisopropyl phosphorofluoridate, Phosphoric acid diisopropyl ester fluoride

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A propos de cet article

Formule linéaire :
[(CH3)2CHO]2POF
Numéro CAS:
55-91-4
Poids moléculaire :
184.15
NACRES:
NA.77
PubChem Substance ID:
24893303
UNSPSC Code:
12352200
EC Number:
200-247-6
MDL number:
MFCD00008873
Beilstein/REAXYS Number:
1723307
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Nom du produit

Diisopropylfluorophosphate,

biological source

synthetic (organic)

Quality Level

100

vapor pressure

0.58 mmHg ( 20 °C)

form

liquid

refractive index

n20/D 1.385 (lit.)

bp

62 °C/9 mmHg (lit.)

mp

−82 °C (lit.)

solubility

anhydrous isopropanol: 0.1-0.5 M (stable for months if stored at -70 °C), H2O: 1.5% at 25 °C (very unstable (at pH 7.5, half-life = 1 hr); decomposed by alkali.)

density

1.06 g/mL at 25 °C (lit.)

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria

mode of action

protein synthesis | interferes

storage temp.

2-8°C

SMILES string

CC(C)OP(F)(=O)OC(C)C

InChI

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

InChI key

MUCZHBLJLSDCSD-UHFFFAOYSA-N

Gene Information

human ... ACHE(43), PTGS1(5742), PTGS2(5743)

Application

Diisopropylfluorophosphate has been used:
  • in combination with inactivated thrombin in Affi-Gel 10 column for the purification of recombinant human thrombomodulin with its chondroitin sulfate chain (shrTMCSA)
  • for inducing status epilepticus (SE) in adult rats
  • as an irreversible serine protease inhibitor in human neutrophil subcellular fractions

Biochem/physiol Actions

Potent inhibitor of serine proteases and acetylcholinesterase; inhibits cathepsin G, cholinesterase, coagulation factor Xa, leucocyte elastase, pancreatic elastase, tissue kallikrein, plasmin, subtilisin, and thrombin. Inhibits apoptosis induced by ricin and bacterial toxins.
Potent inhibitor of serine proteases such as trypsin and chymotrypsin, and of acetylcholinesterase; also inhibits cathepsin G, cholinesterase, coagulation factor Xa, leucocyte elastase, pancreatic elastase, tissue kallikrein, plasmin, subtilisin, and thrombin. Inhibition of acetylcholinesterase makes this compound especially toxic. Inhibits apoptosis induced by ricin and bacterial toxins.

Analysis Note

Typically used at a concentration of 0.10 mM. A safer alternative inhibitor for serine protease is phenylmethylsulfonyl fluoride (PMSF).

Other Notes

Stored properly at 2-8°C, in an unopened bottle, DIFP should be stable for a minimum of two years. DIFP
is unstable when exposed to moisture. DIFP will develop a dark yellow color upon decomposition.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 1 Oral - Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation

Classe de stockage

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
098K1883
108K1144
038K1894
127K1241
107K1101

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Protocoles

Thrombin from Bovine Plasma

Thrombin is an endolytic serine protease that selectively cleaves the Arg–Gly bonds of fibrinogen to form fibrin and release fibrinopeptides A and B.

Articles

Elastase Function and Importance

Elastase application index for understanding leukocyte elastase, a 29KDa serine endoprotease.

Chymotrypsin

Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.

Inhibition of the prostaglandin EP2 receptor is neuroprotective and accelerates functional recovery in a rat model of organophosphorus induced status epilepticus
Rojas A, et al.
Neuropharmacology, 93, 15-27 (2015)
Recombinant human thrombomodulincsa+: a tool for analyzing Plasmodium falciparum adhesion to chondroitin-4-sulfate
Parzy D, et al.
Microbes and Infection, 2(7), 779-788 (2000)
A molecular probe for the highly selective chromogenic detection of DFP, a mimic of Sarin and Soman nerve agents.
Raúl Gotor et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(43), 11994-11997 (2011-09-17)
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Numéro d'article de commerce international

RéférenceGTIN
D0879-1G04061833558164