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| Name | Rose Bengal (C.I. 45440) |
| Chemical Formula | C20H4Cl4I4Na2O5 |
| Molar Mass | 1019.56 g/mol |
| Appearance | Pink to dark red solid |
| Solubility | Soluble in water |
| Melting Point | >300°C |
| Boiling Point | Decomposes |
| Storage Condition | Store in a cool, dry place |
| Purity | ≥98% |
| Usage | Commonly used as a stain in microbiology for detecting dead cells |
| Hazards | May cause skin and eye irritation. Harmful if swallowed |
| Cas Number | 632-69-9 |
FAQ
What is Rose Bengal (C.I. 45440) and how is it used in various industries?
Rose Bengal (C.I. 45440) is a synthetic red dye that is commonly used in microbiology and medical industries. It is a stain that is frequently used for detecting fungi and amoebas in clinical samples. In addition, Rose Bengal is also utilized in the textile industry for dyeing silk and wool fabrics. Overall, it is a versatile dye with various applications across different sectors.
How does Rose Bengal (C.I. 45440) work in microbiology and medical applications?
In microbiology and medical applications, Rose Bengal works as a stain to selectively inhibit the growth of bacteria while allowing the growth of fungi and amoebas. It is used in diagnostic tests to detect fungal infections, particularly on the cornea and conjunctiva. By staining the affected cells, Rose Bengal helps to quickly identify the presence of fungi or amoebas, enabling healthcare professionals to make a rapid and accurate diagnosis.
What are the benefits of using Rose Bengal (C.I. 45440) in the textile industry?
In the textile industry, Rose Bengal is prized for its vibrant red color and excellent dyeing properties. It is particularly popular for dyeing silk and wool fabrics due to its ability to impart a rich hue that is resistant to fading. Additionally, Rose Bengal offers good lightfastness, meaning that the color remains vibrant even after prolonged exposure to sunlight. This makes it a highly desirable dye for creating high-quality and long-lasting textile products.
Are there any safety considerations when working with Rose Bengal (C.I. 45440)?
While Rose Bengal is generally considered safe for use in microbiology, medical, and textile applications, it is important to handle it with care. As with any chemical substance, proper safety precautions should be followed, such as wearing appropriate protective equipment like gloves and goggles. In addition, it is essential to avoid ingestion or inhalation of Rose Bengal and to store it in a secure location away from children and pets. Overall, by following safety guidelines and handling procedures, the risks associated with working with Rose Bengal can be minimized.
What are the storage and shelf life considerations for Rose Bengal (C.I. 45440)?
Rose Bengal should be stored in a cool, dry place away from direct sunlight and heat sources to prevent degradation of the dye. It is advisable to keep the container tightly sealed when not in use to preserve the quality of the product. When stored correctly, Rose Bengal has a shelf life of approximately one to two years, depending on the storage conditions. It is important to check the expiration date on the packaging and to discard any expired or deteriorated dye to ensure optimal results in applications.
Rose Bengal (C.I. 45440) is a synthetic red dye that is commonly used in microbiology and medical industries. It is a stain that is frequently used for detecting fungi and amoebas in clinical samples. In addition, Rose Bengal is also utilized in the textile industry for dyeing silk and wool fabrics. Overall, it is a versatile dye with various applications across different sectors.
How does Rose Bengal (C.I. 45440) work in microbiology and medical applications?
In microbiology and medical applications, Rose Bengal works as a stain to selectively inhibit the growth of bacteria while allowing the growth of fungi and amoebas. It is used in diagnostic tests to detect fungal infections, particularly on the cornea and conjunctiva. By staining the affected cells, Rose Bengal helps to quickly identify the presence of fungi or amoebas, enabling healthcare professionals to make a rapid and accurate diagnosis.
What are the benefits of using Rose Bengal (C.I. 45440) in the textile industry?
In the textile industry, Rose Bengal is prized for its vibrant red color and excellent dyeing properties. It is particularly popular for dyeing silk and wool fabrics due to its ability to impart a rich hue that is resistant to fading. Additionally, Rose Bengal offers good lightfastness, meaning that the color remains vibrant even after prolonged exposure to sunlight. This makes it a highly desirable dye for creating high-quality and long-lasting textile products.
Are there any safety considerations when working with Rose Bengal (C.I. 45440)?
While Rose Bengal is generally considered safe for use in microbiology, medical, and textile applications, it is important to handle it with care. As with any chemical substance, proper safety precautions should be followed, such as wearing appropriate protective equipment like gloves and goggles. In addition, it is essential to avoid ingestion or inhalation of Rose Bengal and to store it in a secure location away from children and pets. Overall, by following safety guidelines and handling procedures, the risks associated with working with Rose Bengal can be minimized.
What are the storage and shelf life considerations for Rose Bengal (C.I. 45440)?
Rose Bengal should be stored in a cool, dry place away from direct sunlight and heat sources to prevent degradation of the dye. It is advisable to keep the container tightly sealed when not in use to preserve the quality of the product. When stored correctly, Rose Bengal has a shelf life of approximately one to two years, depending on the storage conditions. It is important to check the expiration date on the packaging and to discard any expired or deteriorated dye to ensure optimal results in applications.
