PATTON AND REEDER'S REAGENT AR

Chemical Information
Article No.	AL3420
Grade	AR
CAS Number	3737-95-9
Molecular Formula	C21H14N2O7S
Molecular Weight	438.42
HS Code	29270090
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	8 g/l at 20 °C
Colour	Dark red powder
Melting point/ Freezing point(°C)	300 °C
Partition coefficient Log Pow octanol / water at 20 °C	4.48
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H315-H319-H335

Specifications
Absorption maxima	569 - 572 nm
Appearance	Red to dark brown powder