Methyl-tris acetonoximo-silane

Oxidising properties

Link to relevant study record(s)

Reference

Endpoint:

oxidising liquids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2017-10-18 to 2017-11-03

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.21 (Oxidising Properties (Liquids))

Deviations:

no

Principles of method if other than guideline:

The test was performed according to SOP No. SPO/BC/05/b "Determination of oxidizing properties for liquid". This test method corresponds to method A.21 Oxidizing properties (liquids).

GLP compliance:

yes (incl. QA statement)

Specific details on test material used for the study:

- Appearance: yellowish liquid
- Composition: 95.4 % MAC, 1.6 % MAC-Dimer, 2.9 % Acetone oxime
- Purity: 95.4 %
- Batch No.: 20160817
- Expiry date: 16.08.2018

Contact with:

powdered cellulose

Duration of test (contact time):

60 s

Key result

Sample tested:

reference mixture with 65% nitric acid + cellulose (1:1 ratio)

Parameter:

mean pressure rise time

Remarks on result:

maximum pressure of 2070 kPa not reached

Table 1 summarizes results of the determination of oxidizing properties.

Table 1: Results of determination of oxidizing properties

Number of test	Pressure rise time from 690 kPa to 2070 kPa for the mixture of methyl-tris acetonoximo-silane (MAC) and cellulose, [ms]
1	pressure did not reach the critical value 2070 kPa
2	pressure did not reach the critical value 2070 kPa
3	pressure did not reach the critical value 2070 kPa
4	pressure did not reach the critical value 2070 kPa
5	pressure did not reach the critical value 2070 kPa
Mean pressure rise time for the mixture of methyl-tris acetonoximo-silane (MAC) and cellulose, [ms]	pressure did not reach the critical value 2070 kPa
Mean pressure rise time for the mixture of the reference substance (65 % aqueous nitric(V) acid) and cellulose, [ms]	5109 ± 549

Interpretation of results:

GHS criteria not met

Conclusions:

Methyl-tris acetonoximo-silane (MAC) does not have oxidizing properties in accordance with test A.21 criteria.

Executive summary:

Based on results from a test conducted according to a method corresponding to EU method A.21, methyl-tris acetonoximo-silane (MAC) does not have oxidizing properties.

Description of key information

Based on results from a test conducted according to a method corresponding to EU method A.21, methyl-tris acetonoximo-silane (MAC) does not have oxidizing properties.

Key value for chemical safety assessment

Oxidising properties:

non oxidising