TITAN YELLOW (C.I. NO. 19540) (CLAYTON YELLOW)^*

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
T0207100025	AR		1829-00-1	C₂₈H₁₉N₅Na₂O₆S₄	695.73	3204.9000	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Yellowish brown powder

Odour

Odorless

pH value

5.1 at 10 g/l at 20 °C

Melting Point/ Freezing point [°C]

> 300 °C

Partition coefficient Log Pow octanol / water at 20°C

1.73

Viscosity at 40°C [mm2/s]

29 g/l at 20 °C

Solubility in water [% weight]

29 g/l at 20 °C

Appearance:	Yellowish brown colored powder***
Absorptivity (A 1%/1cm; at lmax):	Min 320.0
Loss on dryig (at 110°C):	Max 8.0%
Absorption maxima (buffer pH 7.0):	397 - 407 nm
Transition range:	pH 12.0-13.0 - yellow to orange -red