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Diss Factsheets

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed according to relevant tests guidelines under GLP conditions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
Constituent
Details on test material:
Identification 1,2-Dichloropropane 75
Molecular formula C3H6Cl2
Molecular weight 112.99
CAS Number 78-87-5
Description Clear grey liquid (determined at NOTOX)
Batch RBA100720A (taken from label)
Purity CAS Number
>=65 - <= 80% 1,2-Dichloropropane 78-87-5
>= 8 - <= 20% 2,3-Dichloropropene 78-88-6
>=10 - <= 13% 1,1-Dichloropropene 563-58-6
>= 9 - <= 18% 1,3-Dichloropropene 542-75-6
>= 1 - <= 3% 3-Chloropropene 107-05-1
<= 0.3% Benzene 71-43-2
Test substance storage In refrigerator (2-8°C) protected from light
Stability under storage conditions Stable
Expiry date 23 July 2011 (allocated by NOTOX, 1 year after receipt of the test substance)

Study specific test substance information:
Test substance handling Use amber-coloured glassware or wrap container in tin-foil.

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
575 °C
Atm. press.:
>= 1 021.3 - <= 1 022.9 hPa
Remarks on result:
other:

Any other information on results incl. tables

  Preliminary test

The estimated auto-ignition temperature was 575°C.

 

Main study

The results of the main study on the determination of the auto-ignition temperature of the test substance are given in Table 11.

 

Ignition of the test substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 20°C. According to the guidelines, no further testing was required.

 

The lowest temperature at which ignition of the test substance occurred was 575°C. This temperature was a multiple of 5°C and therefore given as the auto-ignition temperature of the test substance.

 

Table 11     Main study –auto-ignition temperature of the test substance

Test

Volume


[μl]

Auto-ignition
temperature

[°C]

Ignition delay



[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

 

 

 

 

 

 

1

55

583

15

yellow

576

 

70

576

15

yellow/orange

 

 

140

579

13

yellow/orange

 

 

210

581

10

yellow/orange

 

 

 

 

 

 

 

2

60

580

18

yellow

575

 

90

575

21

yellow

 

 

130

576

19

yellow

 

 

 

 

 

 

 

3

65

577

17

yellow

576

 

80

576

15

yellow

 

 

100

580

12

orange

 

 

 

 

 

 

 

 

 

Applicant's summary and conclusion

Conclusions:
Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of the reaction mass containing mainly 1,2-Dichloropropane.

The test substance is auto-ignitable with an auto-ignition temperature at 1021.3 -1022.9 hPa of 575°C.