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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

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.