Methyl Orange
96%
- Product Code: 54789
Alias:
Methyl orange; Golden lotus orange D, sodium p-dimethylaminoazobenzenesulfonate, sodium salt of 4-[[4-(dimethylamino)phenyl]azo]benzenesulfonate
CAS:
547-58-0
| Molecular Weight: | 327.33 g./mol | Molecular Formula: | C₁₄H₁₄N₃NaO₃S |
|---|---|---|---|
| EC Number: | 208-925-3 | MDL Number: | MFCD00007502 |
| Melting Point: | 300 °C | Boiling Point: | |
| Density: | 0.987 g/mL at 25 °C | Storage Condition: | room temperature |
Product Description:
Methyl Orange is widely used as a pH indicator in various chemical and biological applications. In titrations, it is particularly useful for determining the endpoint in acid-base reactions, as it changes color from red in acidic solutions (pH below 3.1) to yellow in alkaline solutions (pH above 4.4). This makes it a valuable tool in analytical chemistry for assessing the acidity or alkalinity of a solution.
In educational settings, it is commonly employed in laboratory experiments to teach students about pH and titration techniques. Additionally, it is used in environmental testing to monitor the pH levels of water bodies, ensuring they remain within safe and acceptable ranges.
In the textile industry, Methyl Orange serves as a dye for coloring fabrics, though its use in this area has diminished over time due to the development of more advanced dyes. Its role as a pH indicator, however, remains significant across scientific and industrial fields.
Product Specification:
| Test | Specification |
|---|---|
| Dye Content | 96-100% |
| Appearance | Orange Powder |
| Clarity of Solution | Clarify |
| Infrared Spectrum | Conforms to Structure |
| pH 3.0 | AMARANTH |
| pH 3.2 | pinkish-orange |
| pH 4.4 | Yellow |
| UV Absorption | ≤ 463 nm |
| Visual Transition Interval | 2.9 Red-4.2 Yellow |
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 25.000 G | 10-20 days | ฿1,160.00 |
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| 5.000 G | 10-20 days | ฿350.00 |
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| 100.000 G | 10-20 days | ฿3,570.00 |
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| 500.000 G | 10-20 days | ฿12,160.00 |
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Methyl Orange
Methyl Orange is widely used as a pH indicator in various chemical and biological applications. In titrations, it is particularly useful for determining the endpoint in acid-base reactions, as it changes color from red in acidic solutions (pH below 3.1) to yellow in alkaline solutions (pH above 4.4). This makes it a valuable tool in analytical chemistry for assessing the acidity or alkalinity of a solution.
In educational settings, it is commonly employed in laboratory experiments to teach students about pH and titration techniques. Additionally, it is used in environmental testing to monitor the pH levels of water bodies, ensuring they remain within safe and acceptable ranges.
In the textile industry, Methyl Orange serves as a dye for coloring fabrics, though its use in this area has diminished over time due to the development of more advanced dyes. Its role as a pH indicator, however, remains significant across scientific and industrial fields.
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