Lac Dye color
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Product Id：
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1131521616 |
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Products Name：
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Lac Dye color | |
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CAS NO：
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Product category：
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Color fixative | |
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Remarks：
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Description
Lac Dye color
[Origin]: Lac color is extracted from Laccifer lacca by weak alkali
solution and refining.
[Composition]: Laccaic acid A(85%) and Laccaic acid B, C, D, E ,etc.
[Characteristics]: Red or red-purple powder. In aqueous solution its color vary
with its PH. When PH is 3-5, it is orange-red, PH is 5-7 red to red-purple color. When
PH is more than 7, it is red-purple. The resistance to light and heat is good in acid
medium. Powder dissolves in water(0.1%), in alcohol and propanediol, pass through
80-mesh-screen.
[Quality Standard]:
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ITEMS
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INDICES
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Color value E 10%,1cm 490nm
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1300 ------- 1470
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Drying weightlessness ≤
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10%
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Ash ≤
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0.8%
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Heavy metal ≤ppm
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10
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Lead ≤ppm
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5
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Arsenic≤ppm
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2
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Microbiologic quality
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Conforms to standards of food additives
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[Application]: Applicable to food and beverages.
