Registration Dossier
Registration Dossier
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EC number: 233-069-2 | CAS number: 10028-15-6
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: Handbook data.
- Adequacy of study:
- key study
- Study period:
- 1982
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Qualifier:
- no guideline followed
- Version / remarks:
- Handbook data.
- Principles of method if other than guideline:
- Principle of method not specified; handbook data.
- GLP compliance:
- not specified
- Physical state at 20°C and 1013 hPa:
- gaseous
- Form:
- gas
- Colour:
- colourless to pale blue
- Odour:
- pungent
- Substance type:
- natural substance
- Conclusions:
- Ozone is a colourless to pale blue gas with pungent odour at 20 °C.
- Executive summary:
Ozone is a natural substance present in the earth's atmosphere (formed photochemically). At 20°C, ozone is a blue gas, but at the concentrations at which it is ordinarily produced, this colour is not noticeable unless the gas is viewed through a considerable depth. Ozone gas has a pungent, characteristic odour.
Reference
Description of key information
Ozone is a colourless to pale blue gas with pungent odour at 20 °C.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- gaseous
Additional information
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