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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 202-705-0 | CAS number: 98-83-9
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: manufacturer data without proof
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
- Principles of method if other than guideline:
- In the material safety data sheet, the pH of alpha-methylstyrene is reported.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 2-phenylpropene
- EC Number:
- 202-705-0
- EC Name:
- 2-phenylpropene
- Cas Number:
- 98-83-9
- Molecular formula:
- C9H10
- IUPAC Name:
- (prop-1-en-2-yl)benzene
Constituent 1
Results and discussion
pH value
- pH value:
- 5 - 6
- Concentration:
- 500 mg/L
Any other information on results incl. tables
In the material safety data sheet, the pH of alpha-methylstyrene is reported to be 5 -6 at an aqueous concentration of 500 mg/L.
According to the available data, the water solubility of the substance, however, is ca. 100 mg/L. Therefore this result should be treated with care.
Applicant's summary and conclusion
- Conclusions:
- In the material safety data sheet, the pH of alpha-methylstyrene is reported to be 5 -6 at an aqueous concentration of 500 mg/L.
According to the available data, the water solubility of the substance, however, is ca. 100 mg/L. Therefore this result should be treated with care. - Executive summary:
In the material safety data sheet, the pH of alpha-methylstyrene is reported to be 5 -6 at an aqueous concentration of 500 mg/L.
According to the available data, the water solubility of the substance, however, is ca. 100 mg/L. Therefore this result should be treated with care.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
