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EC number: 242-582-0
CAS number: 18794-84-8
The test substance farnesene was tested following ASTM method D7042 (Standard Test Method for Dynamic Viscosity and Density of Liquids by
Stabinger Viscometer and Kinematic Viscosity by Calculation). The dynamic viscosity was determined to be 1.788 mPa .S at 20°C and the kinematic viscosity was calculated using the density (0.83 g/cm3) to be 2.15 mm2/s at 20 °C.
Based on the following classification
criteria, the test substance is to be classified as an aspiration hazard
category 1. Aspiration category 1 : Substances known to cause human
aspiration toxicity hazards or to be regarded as if they cause human
aspiration toxicity hazard. A substance is classified in Category 1: (a)
based on reliable and good quality human evidence or (b) if it is a
hydrocarbon and has a kinematic viscosity of 20.5 mm 2/s or less,
measured at 40 °C. The study was done at 20 °C and not 40 °C. Because
viscosity decreases with increasing temperature the classification of
aspiration category 1 is justified.
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