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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Explosiveness

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Administrative data

Endpoint:
explosiveness
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
This study deals with dust explosivity, and not with explosive properties of the substance itself. It was not carried out according to GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Principles of method if other than guideline:
Dust explosivity
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Pyrocatechol
EC Number:
204-427-5
EC Name:
Pyrocatechol
Cas Number:
120-80-9
Molecular formula:
C6H6O2
IUPAC Name:
pyrocatechol

Results and discussion

Small-scale preliminary testsopen allclose all
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks on result:
not measured/tested
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks on result:
not measured/tested
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: Explosive (not specified)
Remarks on result:
other: no data

Any other information on results incl. tables

lower explosible limit: lel=15 g/m3; Max explosion pressure: Pmax=7.5 bar;

max rate of pressure rise: (dP/dt)max= 985 bar/s;

KST= 267 bar.m/s;

dust explosion class ST=2

Emi ≤ 5 mJ.s

Applicant's summary and conclusion