China curcumin | 458-37-7 supplier

Details for curcumin

curcumin

111Category:

Food and Feed additives

CAS NO:

458-37-7

EC NO:

207-280-5

Molecular Formula:

C₂₁H₂₀O₆

Molecular Weight:

368.3799

Specification:

95%(natural), 98% (synthetic), water soluble curcumin 10%, 20%

InChI:

InChI=1/C21H20O6/c1-26-20-11-14(5-9-18(20)24)3-7-16(22)13-17(23)8-4-15-6-10-19(25)21(12-15)27-2/h3-13,22,24-25H,1-2H3/b7-3+,8-4+,16-13-

Packing:

25kg/cardboard drum for large cargo, 1KG/ aluminum foil bag for small sample

Product description:

[Product name] Turmeric extract

Turmeric Extract

[Product specification] 95%(natural), 98% (synthetic), water soluble curcumin 10%, 20%

【 Product physical and chemical index 】 :

[Color] orange crystal powder

【 Subformula 】C21H26O6

【 sub-amount 】368.4

[Product characteristics] Melting point 183° is reddish-brown when alkaline, yellow when neutral and acidic. Measured by OT-42 method. Melting range 179 ~ 182℃.

[Solubility] Insoluble in water and ether, soluble in ethanol, propylene glycol, easily soluble in glacial acetic acid and alkali solution

[Note] Strong coloring, it is not easy to fade after coloring, but it is sensitive to light, heat and iron ions, and poor light resistance, heat resistance and iron ion resistance. When PH is greater than 8, curcumin changes from yellow to red.

[Storage conditions] This product should be sealed and dark, avoid high temperature, and stored in a dry, cool and well-ventilated place

[Effective period] Two years

Uses:

medicine health food cosmetics

Synonyms:

curcumin;C.I. 75300;C.I. Natural Yellow 3;1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (E,E)-;1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione;diferuloylmethane;curouma;E-100;E100;gelbwurz;Haidr;Halad;haldar;Halud;indian saffron;kachs haldi;merita earth;safra d'inde;souchet;terra merita;tumeric yellow;yellow ginger;yellow root;YO-KIN;(1E,4Z,6E)-5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,4,6-trien-3-one;Natural Yellow 3;

Molecular Structure:

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