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CAS NO.547-58-0
| Methyl Orange Basic information |
| Product Name: | Methyl Orange |
| Synonyms: | STOCK METHYL ORANGE SOLUTION;SODIUM 4-(DIMETHYLAMINO)AZOBENZENE-4'-SULFONATE;S NO 176;ORANGE III;ORANGE ACID 52;P-DIMETHYLAMINOAZOBENZENESULFONIC ACID SODIUM SALT;P-[[P-(DIMETHYLAMINO)PHENYL]AZO]BENZENESULFONIC ACID, SODIUM SALT;MO |
| CAS: | 547-58-0 |
| MF: | C14H14N3NaO3S |
| MW: | 327.33 |
| EINECS: | 208-925-3 |
| Product Categories: | Intermediates of Dyes and Pigments;Organics;Piperazine derivates;Analytical Chemistry;Indicator (pH);pH Indicators;Chemistry;Indicator Solutions;Indicators;Titration |
| Mol File: | 547-58-0.mol |
|
|
|
| Methyl Orange Chemical Properties |
| mp | 300 °C |
| density | 0.987 g/mL at 25 °C |
| Fp | 37 °C |
| storage temp. | Store at RT. |
| Colour Index | 13025 |
| Merck | 14,6105 |
| BRN | 4732884 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| EPA Substance Registry System | Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl] azo]-, sodium salt(547-58-0) |
| Safety Information |
| Hazard Codes | T |
| Risk Statements | 25-10 |
| Safety Statements | 45-24/25-16-36/37/39 |
| RIDADR | UN 3143 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | DB6327000 |
| HazardClass | 6.1 |
| PackingGroup | III |
| Hazardous Substances Data | 547-58-0(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Methyl Orange Usage And Synthesis |
| Chemical Properties | orange-yellow powder |
| General Description | Orange powder. |
| Air & Water Reactions | Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water. |
| Reactivity Profile | Methyl Orange is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. |
| Methyl Orange Preparation Products And Raw materials |
| Preparation Products | N,N-Dimethyl-1,4-phenylenediamine-->Potassium tetrafluoroborate-->SODIUM CYCLOPENTADIENIDE |
| Raw materials | Toluene-->N-Methylaniline-->Sulfanilic acid-->Sulfamic acid -->4-Aminobenzoic acid |
| Methyl Orange Basic information |
| Product Name: | Methyl Orange |
| Synonyms: | STOCK METHYL ORANGE SOLUTION;SODIUM 4-(DIMETHYLAMINO)AZOBENZENE-4'-SULFONATE;S NO 176;ORANGE III;ORANGE ACID 52;P-DIMETHYLAMINOAZOBENZENESULFONIC ACID SODIUM SALT;P-[[P-(DIMETHYLAMINO)PHENYL]AZO]BENZENESULFONIC ACID, SODIUM SALT;MO |
| CAS: | 547-58-0 |
| MF: | C14H14N3NaO3S |
| MW: | 327.33 |
| EINECS: | 208-925-3 |
| Product Categories: | Intermediates of Dyes and Pigments;Organics;Piperazine derivates;Analytical Chemistry;Indicator (pH);pH Indicators;Chemistry;Indicator Solutions;Indicators;Titration |
| Mol File: | 547-58-0.mol |
|
|
|
| Methyl Orange Chemical Properties |
| mp | 300 °C |
| density | 0.987 g/mL at 25 °C |
| Fp | 37 °C |
| storage temp. | Store at RT. |
| Colour Index | 13025 |
| Merck | 14,6105 |
| BRN | 4732884 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| EPA Substance Registry System | Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl] azo]-, sodium salt(547-58-0) |
| Safety Information |
| Hazard Codes | T |
| Risk Statements | 25-10 |
| Safety Statements | 45-24/25-16-36/37/39 |
| RIDADR | UN 3143 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | DB6327000 |
| HazardClass | 6.1 |
| PackingGroup | III |
| Hazardous Substances Data | 547-58-0(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Methyl Orange Usage And Synthesis |
| Chemical Properties | orange-yellow powder |
| General Description | Orange powder. |
| Air & Water Reactions | Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water. |
| Reactivity Profile | Methyl Orange is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. |
| Methyl Orange Preparation Products And Raw materials |
| Preparation Products | N,N-Dimethyl-1,4-phenylenediamine-->Potassium tetrafluoroborate-->SODIUM CYCLOPENTADIENIDE |
| Raw materials | Toluene-->N-Methylaniline-->Sulfanilic acid-->Sulfamic acid -->4-Aminobenzoic acid |