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Krishna Industries Black PN

CAS Number
2519-30-4
EC Number
219-746-5
Molecular Formula
C28H17N5Na4O14S4

Identification

Chemical Name

1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-6-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium salt. 17-Naphthalenedisulfonic acid 4-(acetylamino)-5-hydroxy-6-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]- tetrasodium salt

Other characteristics

Dye Type
Food Dyes
Functions
Dye, Food Coloring
Pigment Type
Organic Pigments
Ingredient Name

Tetrasodium 4-acetamido-5-hydroxy-6-[7-sulfonato-4- (4-sulfonatophenylazo)-1-naphthylazo] naphthalene-1,7- disulfonate. Tetrasodium 4-acetamido-5-hydroxy-6-[7-sulfonato-4- (4-sulfonatophenylazo)-1-naphthylazo] naphthalene-17- disulfonate

Color
Black
C.I. Name
Food Black 1
Markets
  • Food & Nutrition
  • Healthcare & Pharma
  • Printing & Packaging
E Number
E-151
C.I. Number
28440
Solubility
Water Soluble
Dosage Form
  • Capsules
  • Tablets
Technology
  • Food Ingredients
  • Pharmaceuticals & Nutraceuticals
  • Pigments & Colorants
Ingredient Origin
Synthetic
Chemical Inventories
EINECS (EU)
Food Ingredients Features
  • Cost Effective
  • High Purity
  • Imparts color
Food Ingredients Functions
Food Coloring
Certifications and Compliance
REACH (Europe)

Technical data

Table 1 of 1

14 rows
CharacteristicValueUnit
4-acetamido-5-hydroxynaphthalene- 1,7-disulfonic acidmax. 0.80percent by mass
4-amino-5-hydroxynaphthalene-1,7- disulfonic acidmax. 0.80percent by mass
4,4 -diazoaminodi-(benzenesulfonic acid)max. 0.80percent by mass
8-aminonaphthalene-2-sulfonic acidmax. 0.80percent by mass
Arsenic Contentmax. 3mg/kg
Cadmium Contentmax. 1mg/kg
Combined Ether Extractmax. 0.20percent by mass
Heavy Metals as pbmax. 40mg/kg
Lead Contentmax. 10mg/kg
Mercury Contentmax. 1mg/kg
Subsidiary Dyesmax. 10percent by mass
Total Coloring Matters Calculated as the Sodium Saltmin. 80percent by mass

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