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Classification & Labelling & PBT assessment

PBT assessment

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PBT assessment: overall result

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Name:
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-
Name:
1,1,1,3,3,3-Hexamethyldisilazane, CAS 999-97-3; EC No. 213-668-5
Type of composition:
boundary composition of the substance
State / form:
liquid
> 97 - <= 100 % (w/w)
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane, CAS 999-97-3; EC No. 213-668-5
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane, CAS 999-97-3; EC No. 213-668-5
This impurity is considered relevant for the classification and labelling of the substance
Name:
1,1,1,3,3,3-Hexamethyldisilazane, CAS 999-97-3; EC No. 213-668-5
Type of composition:
boundary composition of the substance
State / form:
liquid
Reference substance:
1,1,1,3,3,3-Hexamethyldisilazane, CAS 999-97-3; EC No. 213-668-5
PBT status:
the substance is not PBT / vPvB
Justification:

The submission substance hydrolyses very rapidly in contact with water; therefore, the registered substance does not meet the criteria for PBT or vPvB.

Likely routes of exposure:

The submission substance and its hydrolysis products do not meet the criteria for PBT therefore emission characterisation is not required.