Product Name

  • Name

    dipropyl 6,7-methylenedioxy-1,2,3,4-tetrahydro-3-methylnaphthalene-1,2-dicarboxylate

  • EINECS
  • CAS No. 83-59-0
  • Density 1.174g/cm3
  • Solubility
  • Melting Point
  • Formula C20H26 O6
  • Boiling Point 462.8°C at 760 mmHg
  • Molecular Weight 362.46
  • Flash Point 201°C
  • Transport Information
  • Appearance
  • Safety Poison by skin contact. Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes 22-24-50/53
  • Molecular Structure Molecular Structure of 83-59-0 (dipropyl 6,7-methylenedioxy-1,2,3,4-tetrahydro-3-methylnaphthalene-1,2-dicarboxylate)
  • Hazard Symbols
  • Synonyms 5,6-Bis(propoxycarbonyl)-7-methyl-5,6,7,8-tetrahydro[2,3-d]naphtho-1,3-dioxole;5,6-Bis(propoxycarbonyl)-7-methyl-5,6,7,8-tetrahydronaphtho(2,3-d)-1,3-dioxole;Di-n-propyl3-methyl-6,7-methylenedioxy-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylate;Di-n-propyl 6,7-methylenedioxy-3-methyl-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylate;Dipropyl5,6,7,8-tetrahydro-7-methyl-naphtho(2,3)-1,3-dioxole-5,6-dicarboxylate;Dipropyl6,7-methylenedioxy-3-methyl-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylate;NSC 8402; Propilizom; Propyl isome; n-Propyl isome
  • PSA 71.06000
  • LogP 3.21370

n-Propyl isomer Chemical Properties

IUPAC Name: Dipropyl 6-methyl-5,6,7,8-tetrahydrobenzo[f][1,3]benzodioxole-
7,8-dicarboxylate
Synonyms of n-Propyl isomer (CAS NO.83-59-0) : Dipropyl 1,2,3,4-tetrahydro-3-methyl-6,7-methylenedioxynaphthalene-1,2-dicarboxylate ; Dipropyl-7-methyl-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxol-5,6-dicarboxylat ; Naphtho[2,3-d]-1,3-dioxole-5,6-dicarboxylic acid, 5,6,7,8-tetrahydro-7-methyl-, dipropyl ester ; Propyl isome
InChI:InChI=1/C20H26O6/c1-4-6-23-19(21)17-12(3)8-13-9-15-16(26-11-25-15)10-14(13)18(17)20(22)24-7-5-2/h9-10,12,17-18H,4-8,11H2,1-3H3  
CAS NO:83-59-0 
Molecular Formula:C20H26O6                             
Molecular Weight :362.4168                                             
Molecular Structure :
Index of Refraction: 1.523        
Surface Tension: 42 dyne/cm 
Density: 1.174 g/cm3 
Flash Point: 201 °C 
Enthalpy of Vaporization: 72.4 kJ/mol 
Boiling Point: 462.8 °C at 760 mmHg 
Vapour Pressure: 9.54E-09 mmHg at 25°C

n-Propyl isomer Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 375mg/kg (375mg/kg)   Yakkyoku. Pharmacy. Vol. 30, Pg. 1365, 1979.
rat LD50 oral 1500mg/kg (1500mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 435, 1973.

n-Propyl isomer Safety Profile

Poison by skin contact. Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. When n-Propyl isomer (CAS NO.83-59-0) is heated to decomposition, it emits acrid smoke and irritating fumes.

Hazard Codes ToxicT,DangerousN
Risk Statements 22-24-50/53
R22:Harmful if swallowed. 
R24: N-Propyl isomer (CAS NO.83-59-0) is toxic in contact with skin. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements 36/37-45-60-61
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
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.
RIDADR 2810
HazardClass 6.1(b)
PackingGroup III

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