Registration Dossier
Registration Dossier
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EC number: 276-538-7 | CAS number: 72252-58-5
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Administrative data
- Endpoint:
- relative self-ignition temperature (solids)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Remarks:
- Directive VDI 2263, Part 1
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Directive VDI 2263, Part 1
Test material
- Reference substance name:
- Tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)
- EC Number:
- 276-538-7
- EC Name:
- Tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)
- Cas Number:
- 72252-58-5
- Molecular formula:
- C23H8Cr2N6O16S3.4Na
- IUPAC Name:
- tetrasodium [μ-[3-[[2-amino-5-hydroxy-6-[(2-hydroxy-5-nitro-3-sulphophenyl)azo]-7-sulpho-1-naphthyl]azo]-2-hydroxy-5-sulphobenzoato(8-)]]dichromate(4-)
Constituent 1
Results and discussion
Relative self-ignition temperature (solids)open allclose all
- Relative self-ignition temperature:
- >= 220 °C
- Remarks on result:
- other: pure test substance
- Remarks:
- at atm. press. of ca.1013.0 hPa
- Relative self-ignition temperature:
- >= 190 °C
- Remarks on result:
- other: 1:1 mixture of test substance with Kieselguhr
- Remarks:
- at atm. press. of ca.1013.0 hPa
Any other information on results incl. tables
In the screening test according to Grewer with the pure product an exothermal effect was detected starting at 220 °C. A multistage reaction was observed which led to a maximum product temperature of more than 450 °C.
In the screening test with the kieselgur mixture (1:1) a weak exothermal effect was detected starting at 190 °C. A multistage reaction was observed which led to a maximum product temperature of more than 450 °C
Between 60 and 160 °C an endothermal effect was observed.
See figures 1 and 2 (attachment)
Applicant's summary and conclusion
- Conclusions:
- In the Grewer-Oven-Test an exothermal effect of the pure substance was detected starting at 220°C. Therefore, the test item has not to be classified as self-heating substance according to Regulation (EC) No 1272/2008, Annex I, 2.11.4
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