Brilliant Blue FCF
|Brilliant Blue FCF|
|Jmol-3D images||Image 1|
|Molar mass||792.85 g/mol.|
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Brilliant Blue FCF (Blue 1), also known under commercial names, is a colorant for foods and other substances. It is denoted by E number E133 and has a color index of 42090. It has the appearance of a reddish-blue powder. It is soluble in water, and the solution has a maximum absorption at about 628 nanometers.
It is usually a disodium salt. The diammonium salt has CAS number [lake. The chemical formation is C37H34N2Na2O9S3. The dye is poorly absorbed from the gastro-intestinal tract and 95% of the ingested dye can be found in the feces.]. Calcium and potassium salts are also permitted. It can also appear as an aluminium
As a blue color, Brilliant Blue FCF is often found in ice cream, canned processed peas, packet soups, bottled food colorings, icings, ice pops, blue raspberry flavored products, dairy products, sweets and drinks, especially the liqueur blue curacao. It is also used in soaps, shampoos, mouthwash and other hygiene and cosmetics applications. In soil science, Brilliant Blue is applied in tracing studies to visualize infiltration and water distribution in the soil.
Health and safety
Brilliant Blue FCF is an approved food colorant and pharmacologically inactive substance for drug formulations in the EU and the United States. It is also legal in other countries. It has the capacity for inducing allergic reactions in individuals with pre-existing moderate asthma. In 2003, the U.S. FDA issued a public health advisory to warn health care providers of the potential toxicity of this synthetic dye in enteral feeding solutions. The following legal limits apply in the EU (E 131) and other countries: 150-300 mg/kg depending on the type of food. Safety limit for foods and drugs: 0.1 mg/day per kg body weight.
Scientists who were conducting in-vivo studies of compounds to lessen the severity of inflammation following experimental spinal cord injury had previously tested a compound called OxATP to block a key ATP receptor in spinal neurons. However, OxATP has toxic side effects and must be injected directly into the spinal cord; in searching for alternatives they noted that Brilliant Blue FCF has a similar structure. This led them to test a related dye, Brilliant Blue G (also known as Coomassie Brilliant Blue) in rats, which improved recovery from spinal cord injury.
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- W. H. Hansen; O. G. Fitzhugh, A. A. Nelson, K. J. Davis (1966). "Chronic toxicity of two food colors, Brilliant Blue FCF and Indigotine". Toxicology and Applied Pharmacology 8 (1): 29–36. doi:10.1016/0041-008X(66)90097-4. PMID 5950860.
- J. F. Borzelleca; K. Depukat, J. B. Hallagan (1990). "Lifetime toxicity/carcinogenicity studies of FD & C blue No. 1 (Brilliant blue FCF) in rats and mice". Food and Chemical Toxicology 28 (4): 221–235. doi:10.1016/0278-6915(90)90034-K.
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