CAS: 2118-39-0 - Food Black 2

Formula: C₂₆H₁₉N₅O₁₃S₄·4Na

InChI: InChI=1S/C26H19N5O13S4.4Na/c27-20-12-18-13(9-23(20)47(39,40)41)10-24(48(42,43)44)25(26(18)32)31-30-22-8-7-21(17-6-5-16(11-19(17)22)46(36,37)38)29-28-14-1-3-15(4-2-14)45(33,34)35;;;;/h1-12,32H,27H2,(H,33,34,35)(H,36,37,38)(H,39,40,41)(H,42,43,44);;;;

InChI key: InChIKey=PBBYAQOETDZGAU-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C1=CC=C(N=NC2=CC=C(N=NC3=C(O)C4=CC(N)=C(C=C4C=C3S(=O)(=O)O)S(=O)(=O)O)C=5C=C(C=CC25)S(=O)(=O)O)C=C1

Synonyms:

• 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[2-[7-sulfo-4-[2-(4-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:4)
• 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium salt
• 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(p-sulfophenyl)azo]-1-naphthyl]azo]-, tetrasodium salt
• Black 7984
• Black No. 2
• C Black 7
• Ci 27755
• Daiwa Black FS 20
• E 152
• E 152 (dye)
• Food Black 2
• Pro-Jet Fast Black 2 Liquid
• Tetrasodium 6-Amino-4-Hydroxy-3-[[7-Sulfonato-4-(4-Sulfonatophenyl)Azo-1-Naphthyl]Azo]Naphthalene-2,7-Disulfonate
• tetrasodium (3E)-6-amino-4-oxo-3-(2-{7-sulfinato-4-[(E)-(4-sulfonatophenyl)diazenyl]naphthalen-1-yl}hydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonate
• C.I. Food Black 2, tetrasodium salt

tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate

CAS: 2118-39-0

• Formula: C₂₆H₁₉N₅NaO₁₃S₄
• Molecular weight: 760.7045

Black 7984 technical grade

CAS: 2118-39-0

• Formula: C₂₆H₁₅N₅Na₄O₁₃S₄
• Color and Shape: Neat
• Molecular weight: 825.63

Black 7984

CAS: 2118-39-0

Black 7984 is a magnetic inkjet pigment that is composed of a black pigment, magnetic …

• Formula: C₂₆H₁₅N₅Na₄O₁₂S₄
• Purity: Min. 95%
• Molecular weight: 809.7 g/mol