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Administrative data

Endpoint:
thermal stability
Type of information:
experimental study
Adequacy of study:
other information
Study period:
2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-di-o-tolylguanidine
EC Number:
202-577-6
EC Name:
1,3-di-o-tolylguanidine
Cas Number:
97-39-2
Molecular formula:
C15H17N3
IUPAC Name:
1,3-di-o-tolylguanidine
Details on test material:
- Name of test material : DOTG PD
- Physical state: solid
- Analytical purity: 99.2%
- Impurities (identity and concentrations): Orthotoluidine 712 ppm
- Purity test date: 23/02/2011
- Lot/batch No.: 11011461158PD
- Manufacturing date of the lot/batch : 24/01/2011
- Stability under test conditions: shelf life = 2 years
- Expiration date of the lot/batch: January 2013
- Storage condition of test material: in a closed plastic bag at room temperature

Results and discussion

For thermal stability study

Operating temperatureopen allclose all
Operating temp.:
170 °C
Remarks on result:
other: Decomposition after 20 minutes
Operating temp.:
ca. 190 °C
Remarks on result:
other: Decomposition in the first minute
Transformation products:
yes

Applicant's summary and conclusion

Conclusions:
At 170 °C, degradation of DOTG occured after 20 minutes. At 190 °C, degradation of DOTG occured in the first minute.
Executive summary:

At 170 °C, degradation of DOTG occured after 20 minutes. At 190 °C, degradation of DOTG occured in the first minute.