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Environmental fate & pathways

Monitoring data

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Administrative data

Endpoint:
monitoring data
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given

Data source

Reference
Title:
No information
Author:
Henriks-Eckerman M-L, Vaelimaa J, Rosenberg C, Peltonen K, Engstroem K (2002). Expsure to airborne isocyanates and other thermal degradation products at polyurethane-processing workplaces. J. Environ. Monit. 4, 717-721.

Materials and methods

Principles of method if other than guideline:
LC/UV
Type of measurement:
concentration at contaminated site
Media:
air

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-methylenedicyclohexyl diisocyanate
EC Number:
225-863-2
EC Name:
4,4'-methylenedicyclohexyl diisocyanate
Cas Number:
5124-30-1
Molecular formula:
C15H22N2O2
IUPAC Name:
1,1'-methylenebis(4-isocyanatocyclohexane)
Details on test material:
TS-Freetext:
4,4'-Methylenedicyclohexyl diisocyanate, purity 100 %, from Tokyo Kasei Organic Chemicals, Tokyo, used as external standard for quantification

Results and discussion

Any other information on results incl. tables

RS-Freetext:
Traces of 4,4'-methylenedicyclohexyl diisocyanate (up to 2 µg/m3) were  detected as a thermolytic degradation product during joint welding of  polyurethane floor covering in a small room without ventilation in a car  repair shop

Applicant's summary and conclusion