METHYL ORANGE (pH INDICATOR) (C. I. NO. 13025)*

METHYL ORANGE (pH INDICATOR) (C. I. NO. 13025) METHYL ORANGE (pH INDICATOR) (C. I. NO. 13025)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
M0137100025 pH indicator 547-58-0 C14H14N3NaO3S 327.33 2927.0090
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Yellow to orange

Odour

Odorless

Density [g/cm3]

1

Solubility in water [% weight]

Soluble in 500 parts water

Specifications

Appearance:

 Yellowish-orange colored powder

Dye content (by spectrophotometry):

 > 95%

Transition range (according to ACS):

 Passes test

Loss on drying (at 110 °C):

 < 3%

Solubility (0.1 % in distilled water):

 Passes test

Safety Information and Hazard Symbols

Symbol: GHS06
Signal Word: Danger
UN No.: 3143
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301
Precaution Statement: P301 + P310
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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