dimethyl yellow (ph indicator)

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Description

C.I.No.11020
p-Dimethylaminoazobenzene, 4-Dimethylaminoazobenzene, N,N-Dimethyl-4-phenylazoaniline, N,N-Dimethyl-4-aminoazobenzene, Butter Yellow, Solvent Yellow 2 ; ph 2.9 – 4.0 Red to Orange Yellow

CAS 60-11-7
Molecular Formula C14H15N3
Molecular Weight 225.30
Shelf Life 60 Months
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 (Lmax; 0.005%; Ethanol; Calculated On Dried Substance) 1100 – 1300
Loss On Drying (40°C; 1 Hpa) Max. 5.0%
Dangerous Goods Information
UN Number 2811 DG Class 6.1
Safety Information & Hazard Symbols
Symbol GHS06, GHS08
Signal Word Danger
Hazard Statement H301-H351
Precaution Statement P281-P301 + P310

dimethyl yellow (ph indicator)

$44.60

SKU C01052-00025-HS Category
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