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4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III
M 2185
C14H14N3NaO3S
29270090
18%
547-58-0
327.33
Bottle / Drum
M 2185 (OTTO) Methyl orange, indicator Cas 547-58-0 - used for histological microscopy. Methyl orange is also used for histological microscopy.
Methyl orange shows pink colour in acidic medium and yellow colour in basic medium. Because it changes colour at the pH of a mid strength acid, it is usually used in titration for acids.
Indicators, Redox indicators
Powder
Yellow to orange
>300 °C
1.28 g/cm3
Insoluble in diethyl ether
Hazard Codes TRisk Statements 25Safety Statements 45
DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. For laboratory use only. Not for drug, medical, household, or any other unauthorized application. We assume no liability for misuse or unauthorized application of the product. Please test before use.