Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
The appearance of the test item is described in a reliable study report on the physical-chemical properties of the substance. Since no guideline was followed and no details on the methods are given, the description is considered as reliable with restrictions.
Cross-reference
Reason / purpose for cross-reference:
reference to same study
Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 Dec 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Version / remarks:
August 1996
GLP compliance:
yes (incl. QA statement)
Remarks:
National Good Laboratory Practice (GLP) Compliance Monitoring Authority (NGCMA), Department of Science and Technology, Government of India
Type of method:
method according to Siwoloboff
Boiling pt.:
239.4 °C
Atm. press.:
760 mm Hg

Boiling Point/Boiling Range Values of the test item

Atmospheric Pressure (760 mmHg)

Replication

Start Temperature of Bubble Initiation (°C)

Continuous String of Bubbles Observed at (°C)

Boiling Point

(°C)

Kelvin (K)

R1

235.3

238.9

239.0

512.15

R2

235.9

238.6

239.2

512.35

R3

235.6

239.4

239.9

513.05

Mean

239.4

512.52

Standard Deviation

0.5

0.5

 

Typical Calculation:

Boiling Point [in Kelvin (K)] = Observed Boiling Point (°C) + 273.15 = 239.0 + 273.15 = 512.15

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The description of the physical state of the substance was based on a visual inspection of the substance at room temperature and normal pressure
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-isopropylidenedi-o-cresol
EC Number:
201-240-0
EC Name:
4,4'-isopropylidenedi-o-cresol
Cas Number:
79-97-0
Molecular formula:
C17H20O2
IUPAC Name:
4,4'-isopropylidenedi-o-cresol

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
solid: particulate/powder
Colour:
white
Substance type:
organic

Applicant's summary and conclusion