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Alfa Aesar™ SPADNS

$44.85 - $155.84

Chemical Identifiers

Chemical Name or Material SPADNS
CAS 23647-14-5
Molecular Formula C16H9N2Na3O11S3
Formula Weight 570.41g/mol
MDL Number MFCD00003952
Synonym Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1693309

 
alfa aesar™
A16933-09
10g Each for $44.85

AAA1693318

 
alfa aesar™
A16933-18
50g Each for $155.84
Description & Specifications

Specifications

Melting Point >300°C
Quantity 10g
Chemical Name or Material SPADNS
CAS 23647-14-5
Molecular Formula C16H9N2Na3O11S3
Formula Weight 570.41g/mol
MDL Number MFCD00003952
Synonym Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
TSCA TSCA

Applications
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.

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.

Safety and Handling

Warning

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.