Desmodur® T 80

Desmodur® T 80 is a mixture of 2,4- and 2,6-toluene diisocyanate (TDI) with an isomer ratio of approx. 80% 2,4-TDI and 20% 2,6-TDI.

Typical values

Property	Value	Unit	Test method	Condition
All attributes
Flash point	132	°C	DIN 51758
Color	0 – 20
Hydrolyzable chlorine content	0 – 100	mg/kg	TDI-01-03
Hydrolyzable chlorine content	0 – 80	mg/kg
Acidity	0 – 40	mg/kg	TDI-01-02
Acidity	0 – 40	mg/kg
Purity	99.5 – 999.99	%	TDI-01-01
Purity	99.7 – 999.99	%
Density	1.21 – 1.23
Total chlorine content	0 – 500	mg/kg
Viscosity, dynamic	3	mPa·s	DIN 53211	20 °C
NCO content	48 – 99.99	%	TDI-01-21
2,6-TDI content	18.5 – 20.5	%
2,4-TDI content	79.5 – 81.5	%	TDI-01-04
2,4-TDI content	79.5 – 81.5	%
Freezing point	12 – 14	°C

Hazard Classes / Hazard Categories

According to Regulation (EC) No 1272/2008 on classification, labelling

and packaging of substances and mixtures (the 'CLP Regulation')

Acute toxicity, Inhalative, Category 1(H330)

Skin irritation, Category 2(H315)

Eye irritation, Category 2(H319)

Sensitization of the respiratory airways, Category 1(H334)

Sensitization of the skin, Category 1(H317)

Carcinogenicity, Category 2(H351)

Specific target organ toxicity (single exposure), Category 3(H335)

Chronically hazardous to the aquatic environment, Category 3(H412)