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Diss Factsheets

Physical & Chemical properties


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Administrative data

Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 October 2011
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference Type:
study report

Materials and methods

Test guideline
according to guideline
EU Method A.13 (Pyrophoric Properties of Solids and Liquids)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl 2-methylbutyrate
EC Number:
EC Name:
Ethyl 2-methylbutyrate
Cas Number:
Molecular formula:
Butanoic acid, 2-methyl-, ethyl ester
Test material form:
other: liquid
Details on test material:
- Name of test material (as cited in study report): Ethyl 2-methylbutyrate
- Physical state: Clear Liquid
- Lot/batch No.: H3-H-4
- Expiration date of the lot/batch: 03/08/2014

Results and discussion

Any other information on results incl. tables

Test Results for Ethyl 2-methylbutyrate:

- Date: 12/10/2011

- Operator: I. Livingston

- Preparation: Sample tested as received.

- SOP Reference: CTL SOP No. 412

- Apparatus: Pyrophoric Liquid System 1


Test Objective: To determine if a sample of Ethyl 2-methylbutyrate is a pyrophoric liquid.


Test Information: A small quantity of the sample (1-2 ml) was dropped from a height of approximately 1 metre onto a non-combustible surface. It was observed if the sample ignited on dropping or within 5 minutes of settling. The test was performed six times.


Test Results for Porcelain Cup Test:

Test Number     Ignition or No ignition     Observations

         1                       No ignition               No reaction

         2                       No ignition               No reaction

         3                       No ignition               No reaction

         4                       No ignition               No reaction

         5                       No ignition               No reaction

         6                       No ignition               No reaction


Test Results for Filter Paper Test:

Test Number Ignition or No ignition Charring or No charring Observations

       1                    No ignition                 No charring              No reaction

       2                    No ignition                 No charring              No reaction

       3                    No ignition                 No charring              No reaction


No ignition or charring was observed during any test. The sample is therefore 'Not a pyrophoric liquid'.

Applicant's summary and conclusion

Interpretation of results:
not classified based on GHS criteria
Substance is not a pyrophoric liquid