2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4)

CAS: 3737-95-9

Ref. 3B-H0250

Product Information

• Name: 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4)
• Synonyms: Calcon-carboxylic Acid (1:100 diluted with K2SO4), Cal Red (1:100 diluted with K2SO4), 2,2-Dihydroxy-4-Sulpho-1,1-Azonaphthalene-3-Carboxylic Acid, 2-Hydroxy-1(2-Hydroxy-4-Sulfo-1-*Naphthylazo)3-Na, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid, 2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid, 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-, 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, 2-Naphthoic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]-, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)-2-naphthalenecarboxylic acid, 3-Hydroxy-4-(2-hydroxy-4-sulpho-1-naphthylazo)-2-naphthalenecarboxylic acid~Patton and Reeders, 3-Hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-2-naphthalenecarboxylic acid, 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1(2H)-ylidene)hydrazino]naphthalene-2-carboxylic acid, 3-hydroxy-4-[2-(2-oxo-4-sulfonaphthalen-1(2H)-ylidene)hydrazino]naphthalene-2-carboxylic acid, 3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1(2H)-ylidene)hydrazino]naphthalene-2-carboxylate, Cal-Red, Calcon-3-carboxylic acid, Calconcarboxylic acid, Kalces, NSC 97307, Patton and Reeder's indicator, Patton-Reeder indicator
• Brand: TCI

Chemical properties

• Molecular weight: 438.41
• Formula: C₂₁H₁₄N₂O₇S
• Color/Form: Dark red to Dark purple to Dark blue powder to crystaline
• InChI: InChI=1S/C21H14N2O7S/c24-16-10-17(31(28,29)30)13-7-3-4-8-14(13)18(16)22-23-19-12-6-2-1-5-11(12)9-15(20(19)25)21(26)27/h1-10,24-25H,(H,26,27)(H,28,29,30)/b23-22+
• InChI key: InChIKey=MVQBFZXBLLMXGS-GHVJWSGMSA-N
• SMILES: O=C(O)c1cc2ccccc2c(N=Nc2c(O)cc(S(=O)(=O)O)c3ccccc23)c1O