Acid Red 18 CAS 2611-82-7

CAS:2611-82-7
MF:C20H15N2NaO10S3
MW:562.51
EINECS:220-036-2
Synonyms:SCARLET3R; SCARLET3R,WATERSOLUBLE; NEWCOCCINE;PONCEAU4R; PONCEAU4RC; BRILLIANTPONCEAUBRILLIANTPONCEAUBRILLIANTPONCEAU; FoodRed7(C.I.16255)

CAS: 2611-82-7

MF: C20H15N2NaO10S3

What is Acid Red 18 CAS 2611-82-7？

Acid Red 18 is a red to dark red powder with a red, odorless solution. Soluble in water, soluble in glycerol, slightly soluble in ethanol, insoluble in oil. Light resistance and acid resistance are good, stable to lime acid and tartaric acid, poor bacterial resistance, heat resistance and reduction resistance are quite poor. Turns brown in alkaline solution. Maximum absorption wavelength (508±2) nm.

Specification

Item	Specification
STRENGTH	100%±＜2%
SHADE（CMC2：1）	≤0.5
MOISTURE	≤8%
INSOLUBLE	≤0.2%
SOLUBILITY	≥50g/l
FINESS	≤8%

Application

Acid Red 18 as a food color can be used in fruit juice drinks, prepared wine, carbonated drinks, candy, pastry, ice cream, yogurt and other food coloring, but can not be used in dried meat, meat products, aquatic products and other foods. Acid Red 18 can be used for dyeing wool, silk, nylon and direct printing of fabrics. Because the dyeing fastness and evenness are poor, the color light is not as bright as acid red G, so wool textiles are less used. Acid Red 18 can also be used to color leather, paper, wood products, plastics, inks, cosmetics, medicine, food, etc.