1,3-di-o-tolylguanidine

Stability: thermal, sunlight, metals

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

Test material information

Constituent 1

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 temperature

Operating temperature 1

Operating temp.:

170 °C

Remarks on result:

other: Decomposition after 20 minutes

Operating temperature 2

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.