FD&C Blue 2

Synonyms: CI Food Blue 1, INDIGOTINE, INDIGO CARMINE

Defination: Indigotine consists essentially \nof a mixture of disodium \n3,3′dioxo-2,2′-bi-indolylidene-5,5′-disulfonate, and disodium \n3,3′-dioxo-2,2′-bi-indolylidene-5,7′-disulfonate and subsidiary colouring matters\n together with sodium chloride and/or sodium sulfate as the principal \nuncoloured components. Indigotine is described as the sodium salt.

Class: Indigoid

Color Index: 73015

Einecs: 212-728-8

Chemical Name: Disodium 3,3′-dioxo-2,2′-bi-indolylidene-5,5′-disulfonate

Chemical Formula: C16H8N2Na2O8S2

Molecular Weight: 466,36

View Specification

COLOR SHADE
PRODUCT	CHOCOLATE BROWN HT
C.I.NO.	20285
F.D.& C. NO	Yellow 6
E.N.O.	E 155
PURE DYE CONTENT(MIN)	70%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	10%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Brown 3 | Einecs: 224‐924‐0 | Chemical name: Disodium 4,4′-(2,4-dihydroxy-5-hydroxymethyl-1,3-phenylene bisazo)di (naphthalene-1-sulfonate)

COLOR SHADE
PRODUCT	BLACK PN
C.I.NO.	28440
F.D.& C. NO	–
E.N.O.	E 151
PURE DYE CONTENT(MIN)	80%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	10%
DYE INTERMEDIATES (MAX)	0.80%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Black 1 | Einecs: 219‐746‐5 | Chemical name: Tetrasodium 4-acetamido-5-hydroxy-6-[7-sulfonato-4-(4-sulfonatophenylazo)-1-naphthylazo] naphthalene-1,7-disulfonate

COLOR SHADE
PRODUCT	GREEN S
C.I.NO.	44090
F.D.& C. NO	–
E.N.O.	E 142
PURE DYE CONTENT(MIN)	80%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	1%
DYE INTERMEDIATES (MAX)	0.40%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Green 4 | Einecs: 221-409-2 | Chemical name: Sodium N-[4-[[4-(dimethylamino)phenyl](2-hydroxy-3,6-disulfo-1- naphthalenyl)-methylene]2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium; Sodium 5-[4-dimethylamino-α-(4-dimethyliminocyclohexa- 2,5-dienylidene) benzyl]-6-hydroxy-7-sulfonato-naphthalene-2- sulfonate (alternative chemical name)

COLOR SHADE
PRODUCT	BRILLIANT BLUE CFC
C.I.NO.	42090
F.D.& C. NO	Blue 1
E.N.O.	E 133
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	6%
DYE INTERMEDIATES (MAX)	1.80%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Blue 2 | Einecs: 223-339-8 | Chemical name: Disodium α-(4-(N-ethyl-3-sulfonatobenzylamino) phenyl)-α-(4-N-ethyl- 3-sulfonatobenzylamino) cyclohexa-2,5-dienylidene) toluene-2-sulfonate

COLOR SHADE
PRODUCT	INDIGO CARMINE
C.I.NO.	73015
F.D.& C. NO	Blue 2
E.N.O.	E 132
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	1%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Blue 1 | Einecs: 212-728-8 | Chemical name: Disodium 3,3′-dioxo-2,2′-bi-indolylidene-5,5′-disulfonate

COLOR SHADE
PRODUCT	PATENT BLUE V
C.I.NO.	42051
F.D.& C. NO	–
E.N.O.	E 131
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	2%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Blue 5 | Einecs: 20262-76-4 | Chemical name: Sodium compound of [4-(α-(4-diethylaminophenyl)-5- hydroxy-2,4-disulfophenyl-methylidene) 2,5-cyclohexadien-1-ylidene] diethyl-ammonium hydroxide inner salt

COLOR SHADE
PRODUCT	ALLURA RED
C.I.NO.	16035
F.D.& C. NO	Red 40
E.N.O.	E 129
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	3%
DYE INTERMEDIATES (MAX)	1.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Red 17 | Einecs: 247-368-0 | Chemical name: Disodium 2-hydroxy-1-(2-methoxy-5-methyl-4-sulfonatophenylazo) naphthalene-6-sulfonate

COLOR SHADE
PRODUCT	ERYTHROSINE
C.I.NO.	45430
F.D.& C. NO	Red 3
E.N.O.	E 127
PURE DYE CONTENT(MIN)	87%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	4%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Red 14 | Einecs: 240-474-8 | Chemical name: Disodium 2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate monohydrate

COLOR SHADE
PRODUCT	PONCEAU 4R
C.I.NO.	16255
F.D.& C. NO	–
E.N.O.	E 124
PURE DYE CONTENT(MIN)	80%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	1%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Red 7 | Einecs: 220-036 | Chemical name: Trisodium 2-hydroxy-1-(4-sulfonato-1-naphthylazo) naphthalene-6,8-disulfonate

COLOR SHADE
PRODUCT	AMARANTH
C.I.NO.	16185
F.D.& C. NO	–
E.N.O.	E 123
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	3%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Red 9 | Einecs: 213-022-2 | Chemical name: Trisodium 2-hydroxy-1-(4-sulfonato-1-naphthylazo) naphthalene-3,6- disulfonate

COLOR SHADE
PRODUCT	CARMOISINE
C.I.NO.	14720
F.D.& C. NO	–
E.N.O.	E 122
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	2%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Red 3 | Einecs: 222-657-4 | Chemical name: Disodium 4-hydroxy-3-(4-sulfonato-1-naphthylazo) naphthalene-1- sulfonate

COLOR SHADE
PRODUCT	SUNSET YELLOW FCF
C.I.NO.	15985
F.D.& C. NO	Yellow 6
E.N.O.	E 110
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	5%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Yellow 3 | Einecs: 220-491-7 | Chemical name: Disodium 2-hydroxy-1-(4-sulfonatophenylazo)naphthalene-6-sulfonate

COLOR SHADE
PRODUCT	QUINIOLINE YELLOW
C.I.NO.	47005
F.D.& C. NO	–
E.N.O.	E 104
PURE DYE CONTENT(MIN)	70%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	4%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Yellow 13 | Einecs: 305-897-5 | Chemical name: The disodium salts of the disulfonates of 2-(2-quinolyl) indan-1,3-dione (principal component)

COLOR SHADE
PRODUCT	TARTRAZINE
C.I.NO.	19140
F.D.& C. NO	Yellow 5
E.N.O.	E 102
PURE DYE CONTENT(MIN)	85%
WATER INSOLUBLE MATTER	0.20%
ETHER EXTRACT(MAX)	0.20%
SUBSIDIARY DYES (MAX)	1%
DYE INTERMEDIATES (MAX)	0.50%
PROMARY AROMATIC AMINES (MAX)	0.01%
MERCURY PPM (MAX)	1
LEAD PPM (MAX)	2
ARSENIC PPM MAXIMUM	3
CADMIUM PPM (MAX)	1
HEAVY METALS PPM	40

Synonyms: CI Food Yellow 4 | Einecs: 217-699-5 | Chemical name: Trisodium-5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)- H-pyrazole-3-carboxylate