Product Name

  • Name

    Piperonyl butoxide

  • EINECS 200-076-7
  • CAS No. 51-03-6
  • Article Data8
  • CAS DataBase
  • Density 1.066 g/cm3
  • Solubility water: <0.1 g/100 mL at 18 °C
  • Melting Point <25 °C
  • Formula C19H30O5
  • Boiling Point 496.1 °C at 760 mmHg
  • Molecular Weight 338.444
  • Flash Point 253.8 °C
  • Transport Information UN 3082 9/PG 3
  • Appearance amber coloured liquid
  • Safety 60-61-45-36/37/39-28A
  • Risk Codes 50/53-51/53-24
  • Molecular Structure Molecular Structure of 51-03-6 (Piperonyl butoxide)
  • Hazard Symbols DangerousN,ToxicT
  • Synonyms Toluene, a-[2-(2-butoxyethoxy)ethoxy]-4,5-(methylenedioxy)-2-propyl-(8CI);6-Propylpiperonyl butyl diethylene glycol ether;Butacide;Buticide;Butocide;Butoxide;Butoxide (synergist);Butyl carbitol 6-propylpiperonylether;ENT 14,250;Incite;NSC 8401;1,3-Benzodioxole,5-[[2-(2-butoxyethoxy)ethoxy]methyl]-6-propyl-;Piperonyl;a-[2-(2-n-Butoxyethoxy)-ethoxy]-4,5-methylenedioxy-2-propyltoluene;
  • PSA 46.15000
  • LogP 3.71770

Synthetic route

5-(chloromethyl)-6-propyl-1,3-benzodioxole
1938-32-5

5-(chloromethyl)-6-propyl-1,3-benzodioxole

Diethylene glycol monobutyl ether
112-34-5

Diethylene glycol monobutyl ether

Piperonyl butoxide
51-03-6

Piperonyl butoxide

Conditions
ConditionsYield
Stage #1: Diethylene glycol monobutyl ether With sodium hydroxide In water Reflux;
Stage #2: 5-(chloromethyl)-6-propyl-1,3-benzodioxole In water for 5h; Reflux;		75%
With sodium hydroxide at 30℃; for 5h;230 g
5-(chloromethyl)-6-propyl-1,3-benzodioxole
1938-32-5

5-(chloromethyl)-6-propyl-1,3-benzodioxole

sodium-<2-(2-butoxy-ethoxy)-ethylate

sodium-<2-(2-butoxy-ethoxy)-ethylate

Piperonyl butoxide
51-03-6

Piperonyl butoxide

Conditions
ConditionsYield
With benzene
With Diethylene glycol monobutyl ether
With benzene
dihydrosafrole
94-58-6

dihydrosafrole

Piperonyl butoxide
51-03-6

Piperonyl butoxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: water; hydrochloric acid
2: benzene
View Scheme
Piperonyl butoxide
51-03-6

Piperonyl butoxide

6-n-propyl-3,4-methylenedioxy-benzaldehyde

6-n-propyl-3,4-methylenedioxy-benzaldehyde

Conditions
ConditionsYield
With N,N,N,N-tetraethylammonium tetrafluoroborate In acetonitrile electrolysis; Yield given;
Piperonyl butoxide
51-03-6

Piperonyl butoxide

5-(chloromethyl)-6-propyl-1,3-benzodioxole
1938-32-5

5-(chloromethyl)-6-propyl-1,3-benzodioxole

Conditions
ConditionsYield
With hydrogenchloride In water; benzene

Piperonyl butoxide Chemical Properties


IUPAC Name: 5-[2-(2-Butoxyethoxy)ethoxymethyl]-6-propyl-1,3-benzodioxole 
Empirical Formula: C19H30O5
Molecular Weight: 338.4385 
Index of Refraction: 1.502
Molar Refractivity: 93.81 cm3
Molar Volume: 317.3 cm3
Surface Tension: 38.9 dyne/cm
Density: 1.066 g/cm3
Flash Point: 165.3 °C
Enthalpy of Vaporization: 62.12 kJ/mol
Boiling Point: 396.2 °C at 760 mmHg
Vapour Pressure: 3.98E-06 mmHg at 25 °C
Appearance:  Light Yellow Liquid
EINECS: 200-076-7 
storage temp.: 0-6 °C
Water Solubility: <0.1 g/100 mL at 18 ºC
Stability: Stable. Combustible. Incompatible with oxidizing agents.
Product Categories: Intermediates & Fine Chemicals; Pharmaceuticals
Classification Code of Piperonyl butoxide (CAS NO.51-03-6): Agricultural Chemical; Insect attractant, repellent and chemosterilant; Insecticide; Mutation data; Pesticide synergists; Pesticides; Reproductive Effect; Tumor data

Piperonyl butoxide Uses

 Piperonyl butoxide (PBO) is a pesticide synergist, when added to insecticide mixtures, typically pyrethrin, pyrethroid, and carbamate insecticides, their potency is increased considerably.
 Piperonyl butoxide is a potent cytochrome P450 and non-specific esterase inhibitor.

Piperonyl butoxide Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral 7500uL/kg (7.5mL/kg)   American Journal of Tropical Medicine. Vol. 27, Pg. 339, 1947.
mouse LD50 oral 2600mg/kg (2600mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: TREMOR

SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 Shokuhin Eiseigaku Zasshi. Food Hygiene Journal. Vol. 24, Pg. 268, 1983.
mouse LDLo intraperitoneal 1gm/kg (1000mg/kg)   Toxicology and Applied Pharmacology. Vol. 23, Pg. 288, 1972.
rabbit LD50 oral 2650mg/kg (2650mg/kg)   Yakkyoku. Pharmacy. Vol. 32, Pg. 605, 1981.
rabbit LD50 skin 200mg/kg (200mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 907, 1966.
rat LD50 oral 6150mg/kg (6150mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.
rat LD50 skin > 7950mg/kg (7950mg/kg)   Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969.

Piperonyl butoxide Safety Profile

Hazard Codes: DangerousN,ToxicT
Risk Statements: 50/53-51/53-24 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R24:Toxic in contact with skin.
Safety Statements: 60-61-45-36/37/39-28A 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 3082 9/PG 3
WGK Germany: 3
RTECS: XS8050000
HazardClass: 6.1(b)
PackingGroup: III

Piperonyl butoxide Specification

 Piperonyl butoxide (CAS NO.51-03-6), its Synonyms are 1,3-Benzodioxole, 5-((2-(2-butoxyethoxy)ethoxy)methyl)-6-propyl- ; 2-(2-Butoxyethoxy)ethyl 6-propylpiperonyl ether ; 3,4-Methylendioxy-6-propylbenzyl-n-butyl-diaethylenglykolaether ; 3,4-Methylenedioxy-6-propylbenzyl n-butyl diethyleneglycol ether ; 3,4-Methylenedioxy-6-propylbenzyl n-butyldiethyleneglycol ether ; 3,4-Methylenedioxy-6-propylbenzyl-n-butyl-diaethylenglykolaether ; 5-(2-(2-Butoxyethoxy)ethoxymethyl)-6-propyl-1,3-benzodioxole ; 5-Propyl-4-(2,5,8-trioxa-dodecyl)-1,3-benzodioxol ; 5-Propyl-4-(2,5,8-trioxa-dodecyl)-1,3-benzodioxol [German] ; 6-(Propylpiperonyl)-butyl carbityl ether ; 6-(Propylpiperonyl)butylcarbityl ether ; 6-Propylpiperonyl butyl diethylene glycol ether .

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