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Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
appearance / physical state / colour
Type of information:
other: based on experience when handling the substance
Adequacy of study:
key study
Study period:
N/A
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Determined based on years of experience when handling the substance.
Qualifier:
no guideline required
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
liquid
Colour:
Colourless
Odour:
biting
Substance type:
organic
Conclusions:
The appearance of the substance: colourless liquid. It is important to note that the substance reacts with water: the substance is an aliphatic diisocyanate. From this reaction, (5-(aminomethyl)bicyclo[2.2.1]heptan-2-yl)methanamine, (6-(aminomethyl)bicyclo[2.2.1]heptan-2-yl)methanamine and CO2 are formed.

Description of key information

The substance is a colourless liquid.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
liquid

Additional information

The substance (NBDI) reacts with water: the substance is an aliphatic diisocyanate. From this reaction, the diamine NBDA is formed and CO2. NBDA is a reaction mass of (5-(aminomethyl)bicyclo[2.2.1]heptan-2-yl)methanamine and (6-(aminomethyl)bicyclo[2.2.1]heptan-2-yl)methanamine

NBDA, the hydrolysis product, is hydrolytically stable; the parent compound (NBDI) is not.