DIMETHYL YELLOW pH Indicator grade

C.I.No.11020

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC3653 pH Indicator grade 60-11-7 C14H15N3 225.3 2927.0090 60 Months

Packings

25 g,100 g

Physical Properties

Physical state at 20 °C Solid
Colour Yellow powder
Melting point/ Freezing point [°C] 111 °C

Specifications

Appearance Yellow to orange brown powder
Melting point 110 - 116°C
Transition range pH 2.9 to pH 4.0 Red to yellow
Appearance of solution 0.1% solution in ethanol is clear
Absorption maxima in ethanol 403 - 407 nm
Specific absorptivity A 1%/1cm (λmax; 0.005%; ethanol; calculated on dried substance) 1100 - 1300
Loss on drying (40°C; 1 hpa) Max. 5.0%

Safety Information and Hazard Symbols

Skull and Crossbones Health Hazard
Symbol GHS06, GHS08
Signal Word Danger
UN No. 2811
IMCO Class No. 6.1
Packing Group III
Hazardous Statement H301-H351
Precaution Statement P281-P301 + P310
Risk Statement
Safety Statement
Revision Date : 07-Jun-2019