Registration Dossier
Registration Dossier
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EC number: 701-248-9 | CAS number: -
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
Vapour pressure of the substance is derived using read across. According to OECD Guideline 104 vapour pressure of EC 500-029-3 is determined to be 0.0302 Pa 20 °C and that of EC 500-044-5 as 0.00261 Pa at 20°C. The more critical value is used as key value.
Key value for chemical safety assessment
- Vapour pressure:
- 0.03 Pa
- at the temperature of:
- 20 °C
Additional information
In a read across approach studies with both constituent were used to describe the vapour pressure of the substance. The more critical value is used as key value. Hypothesis for the read-across approach: Group: Reaction mass of Glycerol, propoxylated and Sucrose, propoxylated;Succhrose, propoxylated; Propylidynetrimethanol, propoxylated; Glycerol, propoxylated; D‑Glucitol, propoxylated; Propane-1,2-diol, propoxylated; Pentaerythritol, propoxylated; 2,2',2''‑Nitrilotriethanol, propoxylated; Trimethylolpropane, ethoxylated; Diethylene glycol, propoxylated; Ethylene glycol, propoxylated; Diethanolamine, propoxylated. The substance is member of a group of chemicals with similar chemical structure and physical behaviour: 1.) Chemical similarity: All of these substances have terminal OH-groups and ether-linkages as common structural features. Thus, the substances differ from each other only in the identity/type of starter molecule (aliphatic alcohols with 2 to 8 hydroxy functions) used and its associated bonding with the alkoxylate repeating units. Typically the products are substances with a range of Ethyleneoxide or Propyleneoxide units (1 -12.5) added to starter molecules. All substances are characterised by a molecular weight distribution of ca. 150 - 1000. The common function of the members of the group is to allocate a high number of hydroxy functions which are intended to react with e.g. an isocyanate. 2.) Physical behaviour: All members of the group are liquids with elevated viscosity, high solubility in water (> 100 g/L) and a low vapour pressure (<0.0003 hPa).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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