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

Appendix 11: 2-Butoxyethanol (EGBE) 
80     General description

80.1     Identity

Molecular formula:          C₆H₁₄O₂

Structural formula:           CH₃-CH₂-CH₂-CH₂-O-CH₂-CH₂-OH

Molecular weight:            118.2

CAS-no.:                        111-76-2

Synonyms:                      2-Butoxyethanol

                                      n-Butoxyethanol

                                      Butyl Cellosolve

                                      Butylglycol

                                             Glycol butyl ether

                                      Monobutyl ethylene glycol ether

80.2     Physical / chemical properties

Description:                    Colourless liquid with a faint, mild ethereal odour.

Melting point:                  -70, -75 °C

Boiling point:                   171 °C

Density:                          0.9019 g/ml (at 20°C)

Vapour pressure:             0.76 mmHg (101.3 Pa) (at 20°C)

                                      0.88 mmHg (117.3 Pa) (at 25°C)

Concentration of

saturated vapours:           4900 mg/m³ (at 20°C and 760 mmHg) (calculated).

Conversion factor:           1 ppm = 4.91 mg/m³        (at 20°C and 760 mmHg).

                                      1 mg/m³ = 0.204 ppm

Solubility:                        Water: Miscible.

LogP_{octanol/water}:                0.81

References:                    EPA (1999), ATSDR (1998).

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