CALCON (SOLOCHROME DARK BLUE) (C. I. NO. 15705) ^*

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
C0058100025			2538-85-4	C₂₀H₁₃N₂NaO₅S	416.39	2927.0090	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Blackish brown

Odour

Odorless

Solubility in water [% weight]

Moderate (1-10%)

Appearance:	Dark blackish brown powder
Loss on drying (at 110°C):	Max 10.0%
Specific absorptivity A1%,1cm (λmax;0.0015%;buffer pH 12.2, calculated on dried substance):	250-500
Identity (UV/VIS spectrum):	Passes test
Absorption maxima αmax. (buffer pH 12.2):	634 - 640 nm
Suitability (as indicator for metal titration):	Passes test

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338