METHYL ORANGE INDICATOR ACS
METHYL ORANGE INDICATOR ACS
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Short Name: METHYL ORANGE INDICATOR
Other Names: Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate
C.I.No.13025
Chemical Specifications
Appearance : Yellowish-orange colored powder
Identity (IR) : Conforms to structure
Solubility (0.1 % in water) : Clear (passes ACS test)
Visual transition range : from pH 3.2 (pink or red) to pH 4.4 (yellow-orange)
Absorption maxima in 0.01 N NaOH : 461 to 469 nm
| Basic | |
| CAS No. | 547-58-0 |
| Grade | ACS |
| HS Code | 2927.0090 |
| Molecular Formula | C14H14N3NaO3S |
| Molecular Weight | 327.33 |
| Shelf Life | 60 Months |
| Physical Properties | |
| Colour | Colour |
| Density [g/cm3] | Density [g/cm3] |
| Odour | Odour |
| Physical state at 20 °C | Physical state at 20 °C |
| Solubility in water [% weight] | Solubility in water [% weight] |
| Safety | |
| Hazardous Statement | H301 |
| IMCO Class No. | 6.1 |
| Packing Group | III |
| Precaution Statement | P301 + P310 |
| Signal Word | Danger |
| Symbol | GHS06 |
| UN No. | 3143 |