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Calconcarboxylic acid

Catalog No. AAB2345909
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Quantity:
10 g
50 g
Catalog No. Quantity
AAB2345909 10 g
AAB2345918 50 g
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Catalog No. AAB2345909

Supplier: Thermo Scientific Chemicals B2345909

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Description

CAS: 3737-95-9 | C21H14N2O7S | 438.41 g/mol

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.

Applications
Calconcarboxylic acid is used as an indicator for calcium titrations with ethylenediaminetetraacetic acid (EDTA) in the presence of magnesium.

Solubility
Soluble in water, ethanol, sodium hydroxide and methanol.

Notes
Incompatible with strong oxidizing agents.

Chemical Identifiers

CAS 3737-95-9
Molecular Formula C21H14N2O7S
Molecular Weight (g/mol) 438.41
MDL Number MFCD00004078
InChI Key ULIVOAKVRBXKKS-PYCFMQQDSA-N
Synonym calconcarboxylic acid, patton-reeder indicator, calconcarbonic acid, calcon 3-carboxylic acid, patton and reeder's indicator, 2-hydroxy-1-2-hydroxy-4-sulfo-1-napthylazo-3-naphthoic acid, 2,2'-dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid, 2-naphthalenecarboxylic acid, 3-hydroxy-4-2-hydroxy-4-sulfo-1-naphthalenyl azo, nn
PubChem CID 5895210
IUPAC Name 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2-carboxylic acid
SMILES C1=CC=C2C(=C1)C=C(C(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)O)O)C(=O)O

Specifications

Melting Point ∼300°C (decomposition)
Quantity 10 g
Beilstein 727492
Solubility Information Soluble in water,ethanol,sodium hydroxide and methanol.
Formula Weight 438.42
Chemical Name or Material Calconcarboxylic acid

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 223-117-0
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only