Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

Currently viewing:

Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
appearance / physical state / colour
Type of information:
not specified
Adequacy of study:
weight of evidence
Study period:
1996
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Information from peer reviewed reference.
Qualifier:
no guideline followed
Principles of method if other than guideline:
the methodology was not reported.
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
crystalline
Colour:
colorless
Odour:
other: information not reported
Substance type:
organic
Conclusions:
The substance is a colorless lustrous crystal
Endpoint:
appearance / physical state / colour
Type of information:
not specified
Adequacy of study:
weight of evidence
Study period:
2011
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
The methodology was not reported
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
crystalline
Colour:
white or colorless
Odour:
other: heliotrope odor or very sweet, floral, warm, slightly spicy odor
Substance type:
organic
Conclusions:
The substance is a white or colorless, lustrous crystals with heliotrope odor or very sweet, floral, warm, slightly spicy odor

Description of key information

Based on the primary information sourced from the Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (14th Edition), piperonal was reported to be a colorless lustrous crystal.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline

Additional information

Information regarding the state/colour of piperonal was sourced from the Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (14th Edition).

In addition, based on the information obtained from a secondary sources such as the Research Institute for Fragrance Materials (RIFM) piperonal is a white or colorless, lustrous crystals with heliotrope odor or very sweet, floral, warm, slightly spicy odor.