Registration Dossier
Registration Dossier
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EC number: 213-668-5 | CAS number: 999-97-3
PBT assessment
Administrative data
PBT assessment: overall result
- 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
- 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
- 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.
Referenceopen allclose all
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