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EC number: 201-052-9
CAS number: 77-73-6
Air-dilution odour thresholds. Threshold
limit value: 5 ppm v/v. Volatility at 25ºC: 3600 ppm v/v.
A literature search on olfactory and
physiochemical properties of volatile substances listed in the Threshold
Limit Values (1982) was conducted. The authors compiled, averaged,
re-calculated or extrapolated from published information. The values and
odour safety class identified for dicyclopentadiene were: Threshold
limit value: 5 ppm v/v; Volatility at 25ºC: 3600 ppm v/v; Air odour
threshold: 0.0057±1.9 ppm; Safe dilution factor: 720; Odour safety
factor: 870; Odour safety class: A (more than 90% of distracted persons
perceive warning of TLV concentration in the air).
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