Calconcarboxylic acid

CAS: 3737-95-9

Ref. 02-B23459

Product Information

• Name: Calconcarboxylic acid
• Synonyms: 3-hydroxy-4-{2-[(1Z)-2-oxo-4-sulfonaphthalen-1-ylidene]hydrazin-1-yl}naphthalene-2-carboxylic acid, 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, Kalces, NSC 97307, Patton and Reeder's indicator, Patton-Reeder indicator, NN

Description

Calconcarboxylic acid is used as an indicator for calcium titrations with ethylenediaminetetraacetic acid (EDTA) in the presence of magnesium. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

• Brand: Alfa Aesar By Thermo Fisher Scientific

Chemical properties

• Molecular weight: 438.41
• Formula: C₂₁H₁₄N₂O₇S
• Color/Form: Dark brown/purple to black, Powder
• InChI key: ULIVOAKVRBXKKS-PYCFMQQDSA-N