E 151

CAS:    2519-30-4
MF:    C28H22N5NaO14S4
MW:    803.73
EINECS:    219-746-5

Brilliant Black BN, Brilliant Black PN, Brilliant Black A, Black PN, Food Black 1, Naphthol Black, C.I. Food Black 1, C.I. 28440 or E 151 is a synthetic black diazo dye. 
E 151 is soluble in water. 
E 151 usually comes as tetrasodium salt. 
E 151 has the appearance of solid, fine powder or granules. 
Calcium and potassium salts are allowed as well.

When used as a food dye, its E number is E151. 
E 151 is used in food decorations and coatings, desserts, sweets, ice cream, mustard, red fruit jams, soft drinks, flavored milk drinks, fish paste, lumpfish caviar and other foods.

E 151 has been banned in the United States, Switzerland, Japan.
E 151 is approved in the European Union.
E 151 was banned in Norway until 2001 when it was unbanned due to trade relationships with other countries.
E 151 is used for staining animal by-products in category 2.

E 151 is a azo dye which is basically a tetra sodium salt. 
E 151 is a synthetic dye mainly used as food additive. 
E 151 is used as colouring agent to enhance the appearance. 
E 151 is usually used in jellies, brown sauces and cake mixes.

Soluble in water for dark purple, slightly soluble in ethanol for red light blue. 
The E 151 for Tracy in blue, blue for red after diluted. 
The dye solution to join strong hydrochloric acid for navy, add thick sodium hydroxide solution for black purple.

E 151 is an azo dye and a food colorant. 
E 151 is a promising antiviral agent against EV71 infection via inhibiting the interaction between EV71 and its cellular uncoating factor cyclophilin A. 
E 151 has the potential for the investigation of contagious disease.

E 151 Chemical Properties
Melting point: >300°C
Density: 0.513[at 20℃]
Storage temp.: room temp
Solubility: DMSO (Slightly), Methanol (Slgihtly, Heated), Water (Slightly)
Colour Index: 28440
Form: Powder
Color: Black
Water Solubility: 10g/L at 31.8℃
LogP: 2.855

Uses    
E 151 is a synthetic dye used in foods and cosmetics.
Also used as a modulator of adenosine A1/A3 receptors as potential therapeutic agents for conditions involving metabolic stress.

E 151 has been used:
in micronucleus and comet assays to evaluate its genotoxic effect.
as a quenching agent in calcium mobilization assay.
as a redox indicator in microbiological inhibition bioassay using Bacillus megaterium to detect tetracycline and macrolides in milk.

E 151 is used in the following products: inks and toners, cosmetics and personal care products, biocides (e.g. disinfectants, pest control products), fertilisers, paper chemicals and dyes, plant protection products, textile treatment products and dyes, washing & cleaning products and water treatment chemicals.
Other release to the environment of E 151 is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.

E 151 is used in the following products: inks and toners, paper chemicals and dyes, textile treatment products and dyes, cosmetics and personal care products, biocides (e.g. disinfectants, pest control products), fertilisers, non-metal-surface treatment products, leather treatment products, plant protection products, washing & cleaning products and water treatment chemicals.
E 151 is used in the following areas: agriculture, forestry and fishing, printing and recorded media reproduction and building & construction work.
E 151 is used for the manufacture of: textile, leather or fur, wood and wood products, food products and pulp, paper and paper products.
Other release to the environment of E 151 is likely to occur from: indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use.

E 151 is used in the following products: inks and toners, paper chemicals and dyes, textile treatment products and dyes, biocides (e.g. disinfectants, pest control products), coating products, fillers, putties, plasters, modelling clay, fertilisers, metal surface treatment products, leather treatment products, plant protection products, washing & cleaning products and water treatment chemicals.
E 151 has an industrial use resulting in manufacture of another substance (use of intermediates).
E 151 is used in the following areas: agriculture, forestry and fishing and building & construction work.
E 151 is used for the manufacture of: textile, leather or fur, chemicals, wood and wood products, pulp, paper and paper products and plastic products.
Release to the environment of E 151 can occur from industrial use: in the production of articles and in processing aids at industrial sites.

Biochem/physiol Actions    
[4-acetamido-5-hydroxy-6-[7-sulfonato-4-(4-sulfonatophenylazo)-1-naphtylazo], also known as E 151, belongs to the group of azo dyes. 
E 151 is widely used as a food dye and pharmaceutical excipient. 
In addition, E 151 also acts as an allosteric modulator of the adenosine A1 and A3 receptors and is generally used within calcium mobilization assays to reduce extracellular fluorescence.

Synonyms
Black PN
2519-30-4
Brilliant Black BN
Food black 1
Brilliant Black
Brilliant black 1
C.I. FOOD BLACK 1
Blue Black BN
Brilliant Black A
CI 28440
E 151
Black BN
Brilliant Acid Black BNA Export
C.I. 28440
Brilliant Acid Black BN Extra Pure A
2WPR32U0CP
Formoterol fumarate dihydrate
Melan Black
Cilefa Black B
Xylene Black F
Hexacol Black PN
1743 Black
Brilliant Black PN
Certicol Black PNW
Edicol Supra Black BN
1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-6-((7-sulfo-4-((4-sulfophenyl)azo)-1-naphthalenyl)azo)-, tetrasodium salt
tetrasodium;4-acetamido-5-hydroxy-6-[[7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,7-disulfonate
L-Schwarz 1
Brilliant Black NAF
Brilliant Black N. FQ
Noir brillant BN
Noir brillant BN [French]
Brillant Black 1
Brilliantschwarz BN
CERN brilantni PN [Czech]
Brilliantschwarz BN [German]
CCRIS 113
CERN brilantni PN
CERN potravinarska 1 [Czech]
CERN potravinarska 1
EINECS 219-746-5
L Black 8000
UNII-2WPR32U0CP
C.I. Food Black 1, tetrasodium salt
black-pn
Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate
MFCD00078980
BRILLIANTBLACKBN
XYLENE BLACK
WOOL BLACK
C.I. Food Black-1
CI FOOD BLACK 1
Black PN (~80%)
BLACK PN [MART.]
Black PN (~80per cent)
INS NO.151
BRILLIANT BLACK BN [MI]
INS-151
BRILLIANT BLACK 1 [INCI]
CI 28440 [INCI]
COLOUR INDEX NO. 28440
BRILLIANT BLACK PN [USP-RS]
AKOS024319586
AKOS025310995
1,7-Naphthalenedisulfonic acid, 4-acetamido-5-hydroxy-6-((7-sulfo-4-((p-sulfophenyl)azo)-1-naphthyl)azo)-, tetrasodium salt
2-(4-(p-Sulfophenylazo)-7-sulfo-1-naphthylazo)-8-acetamido-1-naphthol-3,5-di-sulonic acid, tetrasodium salt
tetrasodium 4-(acetylamino)-5-hydroxy-6-[(E)-{7-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,7-disulfonate
DB-046643
B1561
E-151
FT-0603611
D88828
CI (1975) NO. 28440
Q420079
ACID BLACK 3 (NAPHTHOL BLACK C.I. 27260)
sodium 4-acetamido-5-hydroxy-6-((E)-(7-sulfonato-4-((Z)-(4-sulfonatophenyl)diazenyl)naphthalen-1-yl)diazenyl)naphthalene-1,7-disulfonate
tetrasodium;4-acetamido-5-hydroxy-6-[(E)-[7-sulfonato-4-[(Z)-(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1,7-disulfonate