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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-964-2 | CAS number: 7782-78-7
Auto flammability
Administrative data
- Endpoint:
- auto-flammability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- February 22 - 23, 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was performed in accordance with the European Commission Regulation (EC) No. 440/2008 Part A and Method A.15.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- no
- Remarks:
- not required by the authority
Test material
- Reference substance name:
- Nitrosylsulphuric acid
- EC Number:
- 231-964-2
- EC Name:
- Nitrosylsulphuric acid
- Cas Number:
- 7782-78-7
- Molecular formula:
- HNO5S
- IUPAC Name:
- hydroxy(nitrosooxy)sulfane dioxide
- Test material form:
- other: liquid
- Details on test material:
- Identity: Confirmed by density
Storage: RT, dry
Expiry Date: November 20, 2011
Constituent 1
Results and discussion
Auto-ignition temperature (liquids / gases)
- Auto-ignition temperature:
- > 653 °C
- Atm. press.:
- 985 hPa
- Remarks on result:
- other: No ignition was observed up to 653°C
Any other information on results incl. tables
Preliminary test: No ignition was observed in the preliminary test.
The following table shows the results of the two preliminary tests. Temperatures where self-ignition was detected (+) and where not (-). The amount of test item tested at each measurement is indicated as numbers of drops.
1. preliminary test 2. preliminary test
T/°C drops +/- T/°C drops +/-
223 5 - 399 5 -
270 5 - 451 5 -
323 5 - 505 5 -
370 5 - 569 5 -
420 5 - 569 10 -
470 5 - 602 5 -
519 5 - 602 10 -
562 5 - 602 2 -
613 5 - 651 2 -
652 5 - 652 5 -
650 5 - 651 10 -
653 5 - 652 9 -
barornetric pressure: 987.6 hPa barometric pressure: 985.0 hPa
Applicant's summary and conclusion
- Conclusions:
- No self-ignition of the test item LZ5593 according to Guideline European Commission Regulation (EC) No. 440/2008, test A. 15. was observed up to atemperature of 653 °C.
- Executive summary:
The study was performed in February 2010. No self-ignition of the test item LZ5593 according to Guideline European Commission Regulation (EC) No. 440/2008, test A. 15. was observed up to a temperature of 653 °C.
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.
