Basic Yellow 40 is a synthetic dye, also known as a cationic or basic dye. Its bright yellow color commonly identifies it and is generally used in several industrial applications. The dye has an intense affinity for materials with negative charges, which allows it to bind strongly to such surfaces. It is soluble in water and is often applied in a dissolved state. The chemical structure of Basic Yellow 40 allows it to produce vibrant yellow hues in different contexts. It is known for its stability and vivid coloration properties.
CAS No.: 29556-33-0
Synonyms: Coumarin 40; Cationic Yellow 40; Cationic Fluorescent Yellow 10GFF; Cationic Flavine 7GL; Basacryl Yellow 5GL; Diacryl Brilliant Yellow 5G-N; Kayacryl Brilliant Yellow 5GL; Sumiacryl Yellow 6G.
| Physical Properties | |
| Chemical formula | C22H24ClN3O2 |
| IUPAC Name | 7-(diethylamino)-3-(1,3-dimethylbenzimidazol-3-ium-2-yl)chromen-2-one;chloride |
| Molecular weight | 397.9g/mol |
| Solubility | Water, methanol & ethanol |
| Insoluble | Petroleum ether |
| Flash point | 13°C |
| Density | 0.41 g/cm³ |
| Chemical Properties | |
| Color | Orange-yellow |
| State | Solid powder |
| Melting point | 210-211°C (410-411.8°F) |
| λmax | 410 nm |
| Vapor Pressure | 8.12 kPa at 25°C |
| Pictograms : |  |
| Hazard Statements : | H302: Harmful if swallowed |
| Precautionary statements : | P264: Wash hands, forearms, and face thoroughly after handling. P362+P364: Take off contaminated clothing and wash it before reuse. |
Basic Yellow 40 is a synthetic dye, also known as a cationic or basic dye. Its bright yellow color commonly identifies it and is generally used in several industrial applications. The dye has an intense affinity for materials with negative charges, which allows it to bind strongly to such surfaces. It is soluble in water and is often applied in a dissolved state. The chemical structure of Basic Yellow 40 allows it to produce vibrant yellow hues in different contexts. It is known for its stability and vivid coloration properties.
CAS No.: 29556-33-0
Synonyms: Coumarin 40; Cationic Yellow 40; Cationic Fluorescent Yellow 10GFF; Cationic Flavine 7GL; Basacryl Yellow 5GL; Diacryl Brilliant Yellow 5G-N; Kayacryl Brilliant Yellow 5GL; Sumiacryl Yellow 6G.
| Physical Properties | |
| Chemical formula | C22H24ClN3O2 |
| IUPAC Name | 7-(diethylamino)-3-(1,3-dimethylbenzimidazol-3-ium-2-yl)chromen-2-one;chloride |
| Molecular weight | 397.9g/mol |
| Solubility | Water, methanol & ethanol |
| Insoluble | Petroleum ether |
| Flash point | 13°C |
| Density | 0.41 g/cm³ |
| Chemical Properties | |
| Color | Orange-yellow |
| State | Solid powder |
| Melting point | 210-211°C (410-411.8°F) |
| λmax | 410 nm |
| Vapor Pressure | 8.12 kPa at 25°C |
| Pictograms : | |
| Hazard Statements : | H302: Harmful if swallowed |
| Precautionary statements : | P264: Wash hands, forearms, and face thoroughly after handling. P362+P364: Take off contaminated clothing and wash it before reuse. |
Basic Yellow 40 is primarily used as a colorant in various industrial applications, including textiles and plastics.
Basic Yellow 40 provides a bright, vivid yellow hue that enhances the visual appeal of products. It offers good color stability, resisting fading over time, and is versatile across various materials. The dye ensures consistent quality and is cost-effective for achieving high-quality color.
Basic Yellow 40 is synthesized through a complex chemical process involving multiple steps. The exact manufacturing process may vary, but it typically involves the reaction of aromatic amines with diazotized aromatic compounds.
Yes, it is generally considered safe for consumption in the amounts typically used in food products. It has been extensively studied and approved by regulatory agencies worldwide, including the FDA.
Yes, Basic Yellow 40 is used in cosmetics, such as hair dyes and makeup, to add a bright yellow color. However, it’s essential to follow safety guidelines and avoid excessive exposure.
