- Plant Extract[10]
- Agrochemicals & Pesticides[10]
- Chemical Reagents[10]
- Daily Chemicals[10]
- Flavour & Fragrance[10]
- Food Additives[3]
- Inorganic Acids[2]
- Organic Intermediate[2]
- Dyestuffs[2]
- Pigment[9]
- Pharmaceutical[10]
- Contact Person : Ms. huang shuiqing
- Company Name : Shanghai Hanwish Industrial Co., Ltd.
- Tel : 86-21-50582012,18930248642
- Fax : 86-21-50582012
- Address : Shanghai,Shanghai,room 499,No.15,Lane 1755 Yunbei Road,Nanxiang town,Jiading District,Shanghai
- Country/Region : China
Lac Dye color
Lac color is extracted from Laccifer lacca by weak alkali solution and refining.
Laccaic acid A(85%) and Laccaic acid B, C, D, E ,etc.
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
ITEMS | INDICES |
Color value E 10%,1cm 490nm | 1300 ------- 1470 |
Drying weightlessness ≤ | 10% |
Ash ≤ | 0.8% |
Heavy metal ≤ppm | 10 |
Lead ≤ppm | 5 |
Arsenic ≤ppm | 2 |
Microbiologic quality | Conforms to standards of food additives |
Application: Applicable to food and beverages.
Hanwish is also provide other pigments
Purple sweet potato red color
Red cabbage color
Beet Red color
Red radish color
Cacao color
Carthamus yellow color
Monascus Red color
Sodium copper chlorophyll
lac dyestuff