| Identification | Back Directory | [Name]
BIXIN | [CAS]
6983-79-5 | [Synonyms]
BIXIN
BIXINE
CIS-BIXIN
alpha-Bixin
BIXIN MIN 90%
Einecs 230-248-7
Bixin (Annato extract)
cis-Norbixin methyl ester
TIANFU-CHEM CAS NO.6983-79-5 BIXIN
methyl (9-cis)-hydrogen-6,6'-diapo-psi,psi-carotenedioate
(9Z)-6,6'-Diapo-ψ,ψ-carotene-6,6'-dioic acid 6-methyl ester
2,4,6,8,10,12,14,16,18-Eicosanonaenedioicacid, 4,8,13,17-tetraMethyl-, 1-Methyl ester,(2E,4Z,6E,8E,10E,12E,14E,16E,18E)-
2,4,6,8,10,12,14,16,18-Eicosanonaenedioic acid, 4,8,13,17-tetramethyl-, monomethyl ester, (2E,4Z,6E,8E,10E,12E,14E,16E,18E)- | [EINECS(EC#)]
230-248-7 | [Molecular Formula]
C25H30O4 | [MDL Number]
MFCD00016545 | [MOL File]
6983-79-5.mol | [Molecular Weight]
394.5 |
| Chemical Properties | Back Directory | [Melting point ]
217°C (dec.) | [Boiling point ]
438.7°C (rough estimate) | [density ]
1.0659 (rough estimate) | [refractive index ]
1.4460 (estimate) | [storage temp. ]
-20°C | [solubility ]
Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly) | [Colour Index ]
75120 | [form ]
Solid | [pka]
4.69±0.10(Predicted) | [color ]
Dark Red to Very Dark Red | [λmax]
λ: 465-475 nm Amax | [Stability:]
Air Sensitive, Light Sensitive, Temperature Sensitive | [LogP]
8.23 | [Uses]
Bixin is a carotenoid that is the main coloring component of annatto.
it is obtained from the bixa orellana tree. bixin is soluble in fats and
oils and the produced color is found in the fat fraction of the food.
it has a yellow hue, very good oxidation stability, fair light stability,
and good heat stability, but it is poor at very high temperatures,
such as above 125°c. one part bixin is equivalent to 1.5 parts caro-
tene. it is used at 0.5–10 ppm in finished foods, such as margarine,
salad dressings, popcorn oil, and baked goods. it is also termed
annatto extract. see annatto. | [CAS DataBase Reference]
6983-79-5 |
| Hazard Information | Back Directory | [Chemical Properties]
orange,purple lustrous crystalline solid plates | [Definition]
ChEBI: A carotenoic acid that is the 6'-monomethyl ester of 9'-cis-6,6'-diapocarotene-6,6'-dioic acid. | [Description]
Bixin [CAS: 6983-79-5] (CI Natural Orange 4; CI 75120) is found in the seed of the plant Bixa orellana, native to India. Later it was found growing in South America, where the Indians used the red dye from the seeds as a body paint. An extract of the seeds appears on the market as annatto. This extract is used in coloring butter, margarine, and cheese such as Leicester cheese. In Mexican and South American cuisine, it finds special use as a flavor and coloring matter. Annato is available as an aqueous solution, as an oleaginous dispersion, and a spray-dried powder. | [Occurrence]
Bixin (CI Natural Orange 4; CI 75120) is found in the seed of the plant Bixa orellana, native to India. Later it was found growing in South America, where the Indians used the red dye from the seeds as a body paint. An extract of the seeds appears on the market as annatto. This extract is used in coloring butter, margarine, and cheese such as Leicester cheese. In Mexican and South American cuisine, it finds special use as a flavor and coloring matter. Annato is available as an aqueous solution, as an oleaginous dispersion, and a spray-dried powder. | [General Description]
Bixin is a methyl ester of a dibasic fatty acid. On treating with alkali, it is hydrolyzed to form water soluble norbixin. It is obtained in pure form from annatto seeds. Bixin is a carotenoid and estimated as yolk and skin pigmenter. | [storage]
4°C, protect from light | [Purification Methods]
Crystallise bixin from Me2CO (violet prisms) [Pattenden et al. J Chem Soc (C) 235 1970]. [Beilstein 2 III 2020, 2 IV 2455, H 30 110.] |
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