[B23459] CAS 3737-95-9 | Calconcarboxylic acid | Alfa
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Brand: Alfa Aesar
3737-95-9 | C21H14N2O7S | 3-hydroxy-4-{2-[(1Z)-2-oxo-4-sulfonaphthalen-1-ylidene]hydrazin-1-yl}naphthalene-2-carboxylic acid
Chemical Identifiers
CAS
3737-95-9
Molecular Weight (g/mol)
438.41
Synonym
3-hydroxy-4-{2-[(1Z)-2-oxo-4-sulfonaphthalen-1-ylidene]hydrazin-1-yl}naphthalene-2-carboxylic acid
SMILES
OC(=O)C1=C(O)C(NN=C2/C(=O)C=C(C3=CC=CC=C23)S(O)(=O)=O)=C2C=CC=CC2=C1
InChI Key
ULIVOAKVRBXKKS-PYCFMQQDSA-N
Molecular Formula
C21H14N2O7S
IUPAC Name
3-hydroxy-4-{2-[(1Z)-2-oxo-4-sulfo-1,2-dihydronaphthalen-1-ylidene]hydrazin-1-yl}naphthalene-2-carboxylic acid
Specifications
Appearance (Color)
Dark brown/purple to black
Form
Powder
Comment
Passes test for indicator for metal titration
Identification (FTIR)
Conforms
설명
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.
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.
Other References:
Beilstein:727492
GHS Hazard and Precautionary Statements
Hazard Statements:H315-H319-H335
GHS H StatementH315-H319-H335Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements:P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
Risk & Safety
TSCA:Yes
경고:RUO – Research Use Only
CAS3737-95-9FORMULAC21H14N2O7SEINECS223-117-0MDLMFCD00004078
| Pakage | 10g, 50G |
|---|---|
| brand | Alfa Aesar |
