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SPADNS
CAS: 23647-14-5 | C16H10N2Na3O11S3+ | 571.408 g/mol
$72.01 - $234.78
Chemical Identifiers
| CAS | 23647-14-5 |
|---|---|
| Molecular Formula | C16H10N2Na3O11S3+ |
| Molecular Weight (g/mol) | 571.408 |
| MDL Number | MFCD00003952 |
| InChI Key | LSAWBVPBZOEGOT-UHFFFAOYSA-L |
| Synonym | Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt |
| PubChem CID | 73658865 |
| IUPAC Name | trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate |
| SMILES | C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+] |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
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AAA1693309
|
Thermo Scientific Chemicals
A1693309 |
10 g |
Each for $72.01
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AAA1693318
|
Thermo Scientific Chemicals
A1693318 |
50 g |
Each for $234.78
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Description
Sulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. It is used as a reagent for drinking and wastewater analysis using Hach Method 8029, Fluoride, SPADNS Method.
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.
ApplicationsSulfanilic acid azochromotrop is used as an indicator for complexometric determinations of zirconium and thorium. It is used as a reagent for drinking and wastewater analysis using Hach Method 8029, Fluoride, SPADNS Method.
Solubility
Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Stable under recommended storage conditions.
Chemical Identifiers
| 23647-14-5 | |
| 571.408 | |
| LSAWBVPBZOEGOT-UHFFFAOYSA-L | |
| 73658865 | |
| C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+] |
| C16H10N2Na3O11S3+ | |
| MFCD00003952 | |
| Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt | |
| trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate |
Specifications
| >300°C | |
| C16H10N2Na3O11S3+ | |
| Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt | |
| LSAWBVPBZOEGOT-UHFFFAOYSA-L | |
| trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate | |
| 73658865 | |
| 10 g |
| 23647-14-5 | |
| MFCD00003952 | |
| Soluble in water (10mg/ml),and ethanol (1mg/ml). very slightly soluble or insoluble in alcohol and organic solvents. | |
| C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+] | |
| 571.408 | |
| 570.41 | |
| SPADNS |
Safety and Handling
GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
H315-H319-H335
EINECSNumber : 245-803-9
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only