Registration Dossier
Registration Dossier
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EC number: 700-617-1 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Reaction mass of 3-(3,3-dimethyl-2,3-dihydro-1H-inden-5-yl)propanal and 3-(1,1-dimethyl-2,3-dihydro-1H-inden-5-yl)propanal and 3-(1,1-dimethyl-2,3-dihydro-1H-inden-4-yl)propanal is a colourless to pale-yellow liquid under standard conditions of temperature and pressure. It has a measured melting point of <-80°C and a measured boiling point of 230°C at 1013 hPa. The substance has a measured relative density of 0.999 at 20 ± 0.5°C. Each individual isomer of the submission substance has the same predicted vapour pressure values of 0.17 Pa at 20°C, 0.27 Pa at 25°C, 0.44 Pa at 30°C and 26 Pa at 50°C.
Measured log Kow values are available for the individual isomers; these are 4.37 ± 0.002 (isomer 1), 4.46 ± 0.002 (isomer 2) and 4.32 ± 0.003 (isomer 3) at 25 ± 1°C and pH 5.68. The individual isomers have measured water solubility values of 51 mg/l, 41 mg/l and 3.3 mg/l at 20±0.5°C and pH 8 for isomer 1, isomer 2 and isomer 3 respectively. The substance is not considered to be surface active based on structural examination, and it is not explosive and does not possess oxidising potential.
The substance is not classified as a flammable liquid according to Regulation (EC) No. 1272/2008 based on a measured flash point of 142±2°C and measured boiling point of 230°C. The measured auto-ignition temperature for the substance is 360±5°C at 96.7 kPa.
Isomer 1 = 3-(3,3-Dimethyl-5-indanyl)propanal
Isomer 2 =3-(1,1-Dimethyl-5-indanyl)propanal
Isomer 3 = 3-(1,1-Dimethyl-4-indanyl)propanal
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