(3S-cis)-3,6-dimethyl-1,4-dioxane-2,5-dione

Flammability

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

flammable solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2009-09-04 to 2009-12-07

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.10 (Flammability (Solids))

GLP compliance:

yes (incl. QA statement)

Specific details on test material used for the study:

- Name of test material (as cited in study report): LL Lactide
- Batch no: 0902000694
- Appearance: white flakes, solid
- Purity: 100 %
- Expiration date of the lot/batch: 2010-02-10
- Stability under storage conditions: stable
- Storage: at room temperature in the dark

Key result

Test procedure:

burning rate test: preliminary screening test

Burning time:

> 4 min

Remarks on result:

substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period

Results:

The flame of the gas burner did ignite the test substance pile. The test substance melted and burned with a blue flame. After removal of the ignition source, the flame extinguished immediately and no propagation of combustion was observed.

Interpretation of results:

GHS criteria not met

Conclusions:

In conclusion, it can be stated that LL Lactide is considered as 'not highly flammable'.

Executive summary:

A preliminary screening test was performed for the determination of the flammability of LL Lactide (100%). No propagation of combustion of the test substance along 200 mm length of the pile within 4 minutes was observed. According to the guideline, performance of a main study for the determination of the burning rate of the test substance was not required. Based on the results, the test substance is considered as 'not highly flammable'.

Reference 2

Endpoint:

substances / mixtures which in contact with water emit flammable gases

Data waiving:

study scientifically not necessary / other information available

Justification for data waiving:

the study does not need to be conducted because the experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water

Reference 3

Endpoint:

flammable gases

Data waiving:

study technically not feasible

Justification for data waiving:

the study does not need to be conducted because the substance is a solid

Reference 4

Endpoint:

pyrophoric liquids

Data waiving:

study technically not feasible

Justification for data waiving:

the study does not need to be conducted because the substance is a solid

Reference 5

Endpoint:

pyrophoric solids

Data waiving:

study scientifically not necessary / other information available

Justification for data waiving:

the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied

Reference 6

Endpoint:

self-heating substances / mixtures

Data waiving:

study scientifically not necessary / other information available

Justification for data waiving:

the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied

Description of key information

LL-lactide is a non-flammable substance.

Key value for chemical safety assessment

Flammability:

non flammable

Additional information

The test item is not classified as a flammable solid, flammable gas, pyrophoric liquid, pyrophoric solid, self-heating substance or as substance which emits flammable gases in contact with water.