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Appendices 1-18 to: Report on the Health Effects of Selected Pesticide Coformulants

Appendix 6: Isopropyl myristate   
40   General description

40.1   Identity

Molecular formula:          C₁₇H₃₄O₂

Structural formula:          

Molecular weight:            270.5

CAS-no.:                        110-27-0

Synonyms:                      Isopropyl tetradecanoate

                                      Myristic acid, isopropyl ester

                                      Tetradecanoic acid, isopropyl ester

                                      Tetradecanoic acid 1-methylethyl ester

40.2    Physical / chemical properties

Description:                    Colourless and practically odourless liquid with a low viscosity, good penetration and spreading properties, and a non-oily feel.

                                      The commercial product usually contains small amounts of esters of palmitic and other saturated fatty acids.

Melting point:                  Approximately 0-3°C

Boiling point:                   Decomposes at 208°C

Density:                          0.85 g/ml (at 20°C)

Vapour pressure:             9.35 x 10^-5 mmHg (1.25 x 10^-2 Pa) (at 25°C)

Concentration of

saturated vapours:           0.12 ppm (= 1.3 mg/m³)(at 25°C and 760 mmHg)

Conversion factor:           1 ppm = 11.2 mg/m³        (at 20°C and 760 mmHg)

                                      1 mg/m³ =  8.9 x 10^-2 ppm

Solubility:                        Practically insoluble in water, glycerol, sorbitan, and propylene glycol. Soluble in castor oil, cottonseed oil, acetone, chloroform, ethyl acetate, ethanol, toluene, and mineral oil.

References:                    BIBRA (1988), ChemFinder (2001), CIR (1982), HSDB (2000), IUCLID (2000), Merck Index (1996).

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