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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

Currently viewing:

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data base

Data source

Reference
Reference Type:
secondary source
Title:
Handbook of Chemistry and Physics. 60th ed.
Author:
Weast, R.C. (ed.)
Year:
1979
Bibliographic source:
Boca Raton, Florida: CRC Press Inc., 1979., p. C-351. cited in HSDB , query date 2013-05-07

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
other: measured
GLP compliance:
not specified
Type of method:
other: measured

Test material

Constituent 1
Chemical structure
Reference substance name:
4H-3,1-benzoxazine-2,4(1H)-dione
EC Number:
204-255-0
EC Name:
4H-3,1-benzoxazine-2,4(1H)-dione
Cas Number:
118-48-9
Molecular formula:
C8H5NO3
IUPAC Name:
4H-3,1-benzoxazine-2,4(1H)-dione
Test material form:
other: solid
Details on test material:
Name of test material (as cited in study report): 4H-3,1-benzoxazine-2,4(1H)-dione
Analytical purity: pure

Results and discussion

Melting / freezing point
Melting / freezing pt.:
243 °C
Decomposition:
yes

Any other information on results incl. tables

Value from peer reviewed Database. No data available for atm. pressure.

Applicant's summary and conclusion