2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[2-[5-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]diazenyl]-4-hydroxy-, sodium salt (1:4)

Auto flammability

Link to relevant study record(s)

Reference

Endpoint:

relative self-ignition temperature (solids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From July 29, 2019 to October 14, 2019

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.16 (Relative Self-Ignition Temperature for Solids)

GLP compliance:

yes

Relative self-ignition temperature:

> 400 °C

Remarks on result:

no self-ignition observed up to the melting point

Table 1. The phenomenon of self-ignition did not occur at 400°C or below.

No.	1	2
Weight of Test item (g)	8.36010	8.32973
Heating rate (°C/min)	0.5	0.5
Self Temperature	Not observed upto 400 °C	Not observed upto 400 °C
Test Item Physical observation	Red colour turned to Black colour	Red colour turned to Black colour

Conclusions:

The Relative Self Ignition temperature of CR SR94 was not observed  upto 400°C with 0.5°C/min heating rate.

Executive summary:

The relative self-ignition temperature for solids of CR SR94 was determined according to EC REGULATION No 440/2008 Annex A.16 Relative Self-Ignition Temperature for Solids. The test result showed that the phenomenon of self-ignition did not occur at 400°C or below.

Description of key information

The phenomenon of self-ignition did not occur at 400°C or below (EC A.16).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

400 °C