Krishna Industries Green S

Identification & Functionality

CI Name

Acid Green 50

CI Number

44090

Chemical Name

Methanaminium, N-[4-[[4-(dimethylamino)phenyl](2-hydroxy-3,6-disulfo-1-naphthalenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, hydroxide, inner salt, monosodium salt

Dye Type

Acid Dyes,

Drug Dyes,

Food Dyes

Ingredient Name

Sodium 5-[4-dimethylamino-a-(4-dimethyliminocyclohexa-2,5-dienylidene)benzyl]- 6- hydroxy- 7- sulfonato - naphthalene- 2- sulfonate

Ingredient Origin

Synthetic

Pigment Type

Organic Pigments

Food Ingredients Functions

Food Coloring

Pharma & Nutraceuticals Functions

Dye

CAS No.

3087-16-9

E Number

E-142

Molecular formula

C27H25N2NaO7S2

EC No.

221-409-2

Technologies

Food Ingredients,

Pharmaceuticals & Nutraceuticals,

Pigments & Colorants

Product Families

Pigments & Colorants — Color Pigments

Organic Pigments

Pigments & Colorants — Dyes

Acid Dyes

Pharmaceuticals & Nutraceuticals — Excipients

Color Additives

Pigments & Colorants — Food Colorants

Artificial Colorants

Food Ingredients — Functional Additives

Color Additives & Decoratives

Features & Benefits

Food Ingredients Features

Cost Effective,

High Purity,

Imparts color

Applications & Uses

Markets

Food & Nutrition,

Healthcare & Pharma,

Printing & Packaging

Applications

Food & Nutrition — Beverage

Carbonated Drinks,

Liquor & Spirits,

Other Non-Alcoholic Beverages

Healthcare & Pharma — Drug Delivery & Care Solutions

Oral

Food & Nutrition — Food

Bakery,

Confectionery,

Convenience Foods,

Dairy,

Desserts & Fruit Preparations,

Other Food Applications,

Savory & Culinary

Printing & Packaging — Packaging

Food & Beverage Packaging

Food & Nutrition — Processing & Packaging

Food & Beverage Packaging

Dosage Form

Capsules,

Tablets

Food & Nutrition Applications

Alcoholic Beverages,

Canned Meals,

Carbonated Drinks,

Cheese,

Confectionery Products,

Desserts,

Food Coatings,

Food Seasonings,

Jams,

Jellies,

Non Alcoholic Beverages,

Pickles,

Sauces

Properties

Color

Green

Solubility

Water Soluble

Specifications

	Value	Units	Test Method / Conditions
Arsenic Content	max. 3	mg/kg	-
Cadmium Content	max. 1	mg/kg	-
Combined Ether Extract	max. 0.20	percent by mass	-
Dye Intermediates 3-hydroxynaphthalene-2,7-disulfonic acid	0.2	percent by mass	-
Dye Intermediates 4,4_-bis(dimethylamino)-benzhydryl alcohol	max. 0.10	percent by mass	-
Dye Intermediates 4,4_-bis(dimethylamino)-benzophenone	0.1	percent by mass	-
Heavy Metals (Antimony Content)	max. 40	ppm	-
Heavy Metals (Arsenic Content)	max. 40	ppm	-
Heavy Metals (Barium Content)	max. 40	ppm	-
Heavy Metals (Chromium Content)	max. 40	ppm	-
Heavy Metals (Copper Content)	max. 40	ppm	-
Heavy Metals (Lead Content)	max. 40	ppm	-
Heavy Metals (Mercury Content)	max. 40	ppm	-
Heavy Metals (Nickel Content)	max. 40	ppm	-
Heavy Metals (Zinc Content)	max. 40	ppm	-
Lead Content	max. 10	mg/kg	-
Leuco Base	max. 5	percent by mass	-
Loss on Drying at 135°C	max. 20	-	-
Mercury Content	max. 1	mg/kg	-
Sodium Chloride Content	max. 20	-	-
Subsidiary Dyes	max. 1	percent by mass	-
Sulphate Content	max. 20	-	-
Total Dye Content (on dry basis at 105 ± 1°C for 2 hrs.)	min. 80	percent by mass	-
Unsulfonated Primary Aromatic Amines	max. 0.01	percent by mass	-
Water Insoluble Matter	max. 0.20	percent by mass	-

Regulatory & Compliance

Certifications & Compliance

EU Compliant,

FDA Compliant,

REACH (Europe)

Chemical Inventories

EINECS (EU)

EU/FDA Status

Approved in EU, Australia and New Zealand except Norway