Registration Dossier
Registration Dossier
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EC number: 271-808-0 | CAS number: 68608-89-9 This substance is identified by SDA Substance Name: C11-C13 branched alkyl benzene sulfonic acid sodium salt and SDA Reporting Number: 25-097-04.
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
A melting point study done according to EU method A.1 showed that sodium salt branched alkylate derivatives decomposed at 239 degrees C without melting (see section 4.1), a vapor pressure therefore cannot be determined for this substance.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
A melting point study done according to EU method A.1 showed that sodium salt branched alkylate derivatives decomposed at 239 degrees C without melting (see section 4.1), a vapor pressure therefore cannot be determined for this substance.
The key value is taken from the MPBPVP program (v1.43) of EPI Suite as run for a "lesser branched" isomer of the BABS Na salt (Selected VP = 6.68E-12 Pa) and a "highly branched" isomer of BABS Na salt (Selected VP = 1.54E-11 Pa). The more conservative "highly branched" value is used for the key value, then rounded off at the lowest level accepted by IUCLID system (i.e., 0.0000000000154 Pa becomes 0.000000002 Pa.
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