Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 276-431-5 | CAS number: 72162-23-3 The high-boiling fraction separated by distillation from the products obtained from the reaction of nitric acid with cyclododecanol and cyclododecanone. Composed primarily of dodecanedioic acid, undecanedioic acid, and sebacic acid.
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
The particle size distribution of Corfree® M1 was measured by using CIPAC, Physico-Chemical Methods for Technical and Formulated Pesticides, MT 59: "Sieve Analysis", CIPAC Handbook Volume F, 1995 method. Analytical sieves had a diameter of 200 mm (Retsch GmbH, Haan, Germany). The sieves were equipped with separate receiver pan and lid. Sieve sizes: 100 µm, 180 µm, 250 µm, 500 µm and 2000 µm, nested from bottom to top on the receiver pan. The majority (75%) of Corfree® M1 flakes’ diameters were in the range 500 – 2000 µm.
Additional information
An amount of 223.1 g of Corfree®M1was placed on the top sieve. The nest of sieves was covered with a lid and mounted into the apparatus. The sieving time was 5 minutes. Thereafter, the sieves and the receiver pan were taken out carefully and accurately reweighed. The amount of material retained on the sieves and in the receiver pan was weighed to the nearest 0.1 g, and expressed as percentages of the sample to the nearest 0.1%. The majority (75%) of Corfree® M1 flakes’ diameters were in the range 500 – 2000 µm.
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