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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 265-057-8 | CAS number: 64741-56-6 A complex residuum from the vacuum distillation of the residuum from atmospheric distillation of crude oil. It consists of hydrocarbons having carbon numbers predominantly greater than C34 and boiling above approximately 495°C (923°F).
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Estimated Atmospheric Oxidation Potentials were calculatedusing a validated computer model or obtained from a reliabledata base.
Data source
Referenceopen allclose all
- Title:
- No information
- Author:
- Atkinson, R. (1990)|Gas-phase tropospheric chemistry of organic compounds: a|review|Atmos. Environ. vol 24A, pp 1-41
- Title:
- No information
- Author:
- NIOSH (National Institute for Occupational Safety and|Health). (2000). |Hazard Review: Health Effects of Occupational Exposure to|Asphalt. |Publication No. 2001-110.|NIOSH, U.S. Department of Health and Human Services,|Cincinnati, Ohio.
- Title:
- No information
- Author:
- SRC (Syracuse Research Corporation) (2004)|Interactive PhysProp Database|Web URL: http://www.syrres.co/esc/physdemo.htm
- Title:
- No information
- Author:
- US EPA (2000)|EPI (Estimation Programs Interface) Suite, V3.10.|U.S. Environmental Protection Agency, Office of Pollution|Prevention and Toxics, Washington, DC.
Materials and methods
- Principles of method if other than guideline:
- Method: other (calculated): Computer model subroutine AOPWIN, V1.90; EPIWIN model V3.10 (U.S. EPA 2000)
Test material
- Reference substance name:
- Automatically generated during migration to IUCLID 6, no data available
- IUPAC Name:
- Automatically generated during migration to IUCLID 6, no data available
- Details on test material:
- IUCLID4 Test substance: other TS: Bitumen/Asphalt
Constituent 1
Results and discussion
Any other information on results incl. tables
RS-Freetext:
Molecular No. C Estimated
Weight Atoms Half-Life (days)
Representative Component
Paraffinic 353 25 0.3
703 50 0.2
Naphthenic (1-ring)
351 25 0.3
701 50 0.2
Naphthenic (3-ring)
345 25 0.4
695 50 0.1
Aromatic (1-ring)
345 25 0.4
695 50 0.2
Aromatic (5-ring)
391 25 0.1
643 50 0.1
Other Polyaromatics
Naphthalene 128 10 0.6
Acenaphthene 154 12 0.2
Fluorene 166 13 1.2
Phenanthrene 178 14 0.8
Anthracene 178 14 0.3
Fluoranthene 202 16 0.2
Pyrene 202 16 0.2
Chrysene 228 18 0.2
Benzo(a)pyrene 252 20 0.2
Dibenz(a,h)anthracene
278 22 0.2
Benzo(g,h,i)perylene
276 22 0.2
Coronene 300
Applicant's summary and conclusion
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.
