Registration Dossier
Registration Dossier
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EC number: 213-485-0 | CAS number: 957-68-6
Auto flammability
Administrative data
- Endpoint:
- auto-flammability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- October 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Comparable to guideline study (EC A.16.) with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: VDI 2263, Blatt 1, Grewer-Ofen
- Deviations:
- no
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-acetoxymethylen-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- EC Number:
- 213-485-0
- EC Name:
- 3-acetoxymethylen-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- Cas Number:
- 957-68-6
- Molecular formula:
- C10H12N2O5S
- IUPAC Name:
- (6R,7R)-3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Name: 7-Aminocefalosporansäure (7-ACA)
Lot no.: 34212818
Constituent 1
Results and discussion
Auto-ignition temperature (liquids / gases)
- Auto-ignition temperature:
- >= 170 °C
- Atm. press.:
- ca. 1 013 mBar
- Remarks on result:
- other:
Relative self-ignition temperature (solids)
- Relative self-ignition temperature:
- >= 170 °C
- Remarks on result:
- other:
- Remarks:
- at atm. press. of ca.1013.0 mBar
Applicant's summary and conclusion
- Conclusions:
- The pure product as well as in mixture with Kieselguhr (1:1) showed a self-ignition temperature of 170 °C and 180°C, respectively.
- Executive summary:
The self-ignition behavior of the product was determined in the Grewer-oven according to VDI 2263, sheet 1. Therefore, the product was filled in a small wire basket of a volume of 8 cm³ and this wire-basket is placed in the Grewer-oven. In this Grewer-oven, the self-ignition behavior of five samples can be determined at once. An additional basket was filled with a reference substance (Graphite).
The temperature of the oven is increased with a constant heating rate (1.2 K/min) and the temperature of the sample monitored. The self-ignition behavior of the pure product is investigated. Very often, the products melt before a self-ignition can take place. In this case, the sample flows out of the basket and no self-ignition can occur. Thus, the self-ignition behavior of the sample blended with 50 wt.-% Kieselguhr is also investigated. Kieselguhr has a high specific surface area and inhibits that products flow out of the baskets.
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