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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
December 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The data was taken from the product certificate of analysis and confirmed by visual inspection during the conduct of various tests.
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
liquid
Remarks:
clear
Odour:
other: peroxide-like
Substance type:
organic
Conclusions:
Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear organic liquid with a peroxide like odour.
Executive summary:

The appearance/physical state/colour data come from a simple visual inspection. Certificate of analysis is used for this endpoint.

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear organic liquid with a peroxide like odour.

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
August 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The data was taken from the product MSDS and confirmed by visual inspection during the conduct of various tests.
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6302 (Color)
Deviations:
yes
Remarks:
Visible determination
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
liquid
Remarks:
clear
Colour:
Light yellow
Odour:
other: characteristic
Substance type:
organic
Conclusions:
Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear light yellow organic liquid with a characteristic odour.
Executive summary:

The appearance/physical state/colour data come from a simple visual inspection.MSDS is used for this endpoint.

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear light yellow organic liquid with a characteristic odour.

Description of key information

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear light yellow  liquid with a characteristic peroxide-like mild organic odour, so the substance is not  a gas or an aerosol.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
liquid

Additional information