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Physical & Chemical properties

Appearance / physical state / colour

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2020
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6302 (Color)
Version / remarks:
-
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Version / remarks:
-
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
Version / remarks:
-
GLP compliance:
yes
Physical state at 20°C and 1013 hPa:
solid
Form:
solid
Colour:
white to yellowish
Odour:
other: phenolic
Substance type:
organic
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
according to guideline
Guideline:
other: no data
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
other: needles (from water), prisms (from ethanol - diethyl ether)
Substance type:
organic
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
according to guideline
Guideline:
other: no data
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Remarks:
from alcohol plus ether

Description of key information

solid, white to yellowish, phenolic odour

(OPPTS 830.6303, 830.6302, 830.6304)

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Supporting data from handbook or collection of data show that the substance appears in solid form at 20 °C and 1013 hPa.

Depending on the solvent you get different forms of crystals:

CRC Handbook: needles from water and prisms from ethanol - diethyl ether

Gestis: needles or plates from colourless to yellowish with stinging odor

Merck Index: crystalls from alcohol plus ether