D,L-DIETHYL TARTRATE

Auto flammability

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

auto-ignition temperature (liquids)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

August 03-10, 2015

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Justification for type of information:

The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised with its purity. Therefore full validation applies.

Qualifier:

according to guideline

Guideline:

EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))

Deviations:

no

Qualifier:

according to guideline

Guideline:

other: Standard DIN 51794 listed in EU A15 guideline

Deviations:

no

Principles of method if other than guideline:

Not applicable

GLP compliance:

yes (incl. QA statement)

Remarks:

inspected on June 17-18, 2014 / signed on November 11, 2014

Auto-ignition temperature:

390 °C

Atm. press.:

>= 1 005.1 - <= 1 012.8 hPa

Preliminary test:

The lowest auto-ignition temperature of the test item was determined to be 397 °C in the preliminary test.

 

Main test:

The lowest auto-ignition temperature of the test item was determined to be 393 °C in the main test.

Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 390 °C.

 

Table 4.12/1: Auto-ignition temperature (summary)

 

Main test series	Auto-ignition temperature (°C)	Time lag (s)
1^stmain test	393	4
2^ndmain test	395	3
3^rdmain test	395	2

Conclusions:

DIETHYL TARTRATE has been determined to have an auto-ignition temperature of 390 °C.

Executive summary:

The substance was tested for its autoflammable properties, according to procedure and demands of DIN 51794 standard method (listed in EU A.15 guideline).

The lowest auto-ignition temperature of the test item was determined to be 397 °C in the preliminary test.

The auto ignition temperature was determined in three independent determinations. The lowest auto-ignition temperature of the test item was determined to be 393 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5.

 

DIETHYL TARTRATE has been determined to have an auto-ignition temperature of 390 °C.

Reference 2

Endpoint:

auto-ignition temperature (liquids)

Type of information:

read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

key study

Justification for type of information:

1. HYPOTHESIS FOR THE ANALOGUE APPROACH
The hypothesis is based on structural similarity (L-form for the test substance instead of racemate product for the target)

2. SOURCE AND TARGET CHEMICAL(S) (INCLUDING INFORMATION ON PURITY AND IMPURITIES)
Refer to the Test material section of the source and target records.

3. ANALOGUE APPROACH JUSTIFICATION
Both substances are not expected to have significantly different AIT, and the read-across is considered suitable.

4. DATA MATRIX
Source: L-Diethyl tartrate
Target: Racemate of Diethyl tartrate

Further information is included in IUCLID Section 13.

Reason / purpose for cross-reference:

read-across source

Key result

Auto-ignition temperature:

390 °C

Atm. press.:

>= 1 005.1 - <= 1 012.8 hPa

Conclusions:

(from analogue)
DIETHYL TARTRATE has been determined to have an auto-ignition temperature of 390 °C.
This parameter is not relevant for classification, however the information is useful regarding process safety and potential additional fire hazard.

Executive summary:

An analogue of Racemate of diethyl tartrate, L diethyl tartrate (CAS 87 -91 -2), was tested for its autoflammable properties, according to procedure and demands of DIN 51794 standard method (listed in EU A.15 guideline).

The lowest auto-ignition temperature of the test item was determined to be 397 °C in the preliminary test.

The auto ignition temperature was determined in three independent determinations. The lowest auto-ignition temperature of the test item was determined to be 393 °C in the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5.

 

DIETHYL TARTRATE has been determined to have an auto-ignition temperature of 390 °C.

Description of key information

DIETHYL TARTRATE has been determined to have an auto-ignition temperature of 390 °C. (from analogue)

This parameter is not relevant for classification, however the information is useful regarding process safety and potential additional fire hazard

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:

390 °C

Additional information

An analogue of Racemate Diethyl tartrate, L-Diethyl tartrate, was tested to determine its auto-ignition temperature following EU A.15 guideline and under GLP. It is considered as a key study. Read-across is considered justified based on chemical similarity. The result is retained as key data.