DIMETHYL YELLOW pH Indicator grade

C.I.No.11020
p-Dimethylaminoazobenzene, 4-Dimethylaminoazobenzene, N,N-Dimethyl-4-phenylazoaniline, N,N-Dimethyl-4-aminoazobenzene, Butter Yellow, Solvent Yellow 2

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Article No.
03430
Grade
pH Indicator grade
Purity
CAS No.
60-11-7
Molecular Formula
C14H15N3
Molecular Weight
225.30
H.S. Code
2927.0090
Shelf Life
60 Months
MSDS
 

 

Physical Properties

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

Packings

  • 1PB1200060

    25 g (00025)

  • 1PB1200200

    100 g (00100)

 

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
Revision Date : 07-Jun-2019
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