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Physical & Chemical properties

Auto flammability

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Endpoint:
relative self-ignition temperature (solids)
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Justification for type of information:
REPORTING FORMAT FOR THE ANALOGUE APPROACH
1. HYPOTHESIS FOR THE ANALOGUE APPROACH
This read-across is based on the hypothesis that the source and the target substance have very similar physicochemical and (eco)toxicological properties because their chemical structures are nearly identical. An analogue approach has thus been employed. The target substance is the meta-isomer of the dye Reactive Yellow 095, where the sulphonate group is bound at the meta-position of the amino benzene moiety. The source chemical is the reaction mass of both the meta-isomer and the para-isomer of Reactive Yellow 095.
The presence of sulphonate groups make both dyes highly water soluble and therefore less critical for human health and environmental issues. Based on their chemical similarity, similar properties are expected in both humans and the environment.
2. SOURCE AND TARGET CHEMICAL(S)
Source: Reactive Yellow 095 meta/para (CAS# --- / EC# 944-218-2)
Target: Reactive Yellow 095 meta (CAS# 84045-63-6 / EC# 281-865-3)
3. ANALOGUE APPROACH JUSTIFICATION
see attachment under 4.12 Auto flammability
Reason / purpose:
read-across source
Relative self-ignition temperature:
> 550 °C
Remarks on result:
no self ignition observed under the test conditions
Conclusions:
The auto-ignition temperature of the test item is >550 °C
Executive summary:

The determination of the auto-ignition temperature of the source substance was performed in a study conducted according to EU Method A.15. However, the auto-ignition temperature could not be determined as no auto-ignition occurred up to 550 °C. The structurally related target substance will show similar results, and will not show auto-ignition up to 550°C.

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
2016
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Principles of method if other than guideline:
None
GLP compliance:
no
Specific details on test material used for the study:
None
Key result
Relative self-ignition temperature:
> 550 °C
Remarks on result:
other: No auto-ignition until 550 °C

None

Conclusions:
The auto-ignition temperature of FAT 40000 could not be determined as no auto-ignition occured up to 550 °C.
Executive summary:

The determination of the auto-ignition temperature of FAT 40000 was performed in a study conducted according to EU Method A.15. However, the auto-ignition temperature of FAT 40000 could not be determined as no auto-ignition occurred up to 550 °C.

Description of key information

The auto-ignition temperature is higher than 550°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
550 °C

Additional information

The determination of the auto-ignition temperature of the source substance was performed in a study conducted according to EU Method A.15. However, the auto-ignition temperature of the source substance could not be determined as no auto-ignition occurred up to 550 °C. The structurally related target substance will show similar results, and will not show auto-ignition up to 550°C.