1668-00-4

Basic information

• Product Name: ARSENAZO III SODIUM SALT
• Synonyms: 2,7-bis(2-Arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonicacid,sodiumsalt;2,7-Naphthalenedisulfonicacid,3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-;7-Naphthalenedisulfonicacid,3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-2;2,2'-(1,8-DIHYDROXY-3,6-DISULFO-2,7-NAPHTHALENE-BIS(AZO))DIBENZENEARSONIC ACID SODIUM SALT;ARSENAZO III SODIUM SALT;Arsenazo Ⅲ;2,7-(bis(2-arsonophenylazo))-1,8-dihydroxynaphthalene-3,6-disulphonic acid;ARSENAZO III, REAG.
• CAS NO: 1668-00-4
• Molecular Formula: C₂₂H₁₈As₂N₄O₁₄S₂
• Molecular Weight: 776.37
• EINECS: 216-788-6
• Product Categories: Pharmaceutical Intermediates;Analytical Chemistry;As (Arsenic) Compounds;Azo Compounds;Chelating Reagents;Classes of Metal Compounds;Naphthylazo Compounds;Semimetal Compounds
• Mol File: 1668-00-4.mol
• Article Data: 0

Chemical Properties

• Melting Point: >320 °C(lit.)
• Appearance: Brown/Powder
• Storage Temp.: Store at RT.
• Solubility: ammonium hydroxide: soluble1mg/mL
• PKA: -1.25±0.40(Predicted)
• BRN: 5717957
• CAS DataBase Reference: ARSENAZO III SODIUM SALT(CAS DataBase Reference)
• NIST Chemistry Reference: ARSENAZO III SODIUM SALT(1668-00-4)
• EPA Substance Registry System: ARSENAZO III SODIUM SALT(1668-00-4)

Safety Data

• Hazard Codes: T,N
• Statements: 23/25-50/53
• Safety Statements: 20/21-28-45-60-61
• RIDADR: UN 3465 6.1/PG 2
• WGK Germany: 3
• HazardClass: 6.1(b)
• PackingGroup: III
• Hazardous Substances Data: 1668-00-4(Hazardous Substances Data)

Usage

Description

ARSENAZO III SODIUM SALT is a dark brown solid that is a versatile spectrophotometric reagent and indicator, capable of forming colored complexes with more than 30 metal ions. It is particularly known for its high analytical sensitivity and selectivity, making it a valuable tool in various applications across different industries.

Uses

Used in Analytical Chemistry:
ARSENAZO III SODIUM SALT is used as a spectrophotometric reagent for the determination and detection of various metal ions, including uranium, thorium, zirconium, and others. Its high sensitivity and selectivity make it an ideal choice for analytical purposes.
Used in Environmental Science:
ARSENAZO III SODIUM SALT is used as an indicator for the precipitation titration of sulfate with barium, which is crucial in environmental monitoring and analysis.
Used in Medical Research:
ARSENAZO III SODIUM SALT is used in the determination of calcium in serum, which is essential for evaluating calcium transport in permeabilized cells and understanding various physiological processes.
Used in Nuclear Science:
ARSENAZO III SODIUM SALT is used for the spectrophotometric determination of uranium and thorium, which are important in the field of nuclear science and technology.
Used in Rare Earth Element Analysis:
ARSENAZO III SODIUM SALT has been utilized for the determination and detection of about 25 metal ions, including 16 rare earth metals, due to its ability to form complexes with a wide range of metal ions.
Used in Pharmaceutical Industry:
The high stability of the complexes formed by ARSENAZO III SODIUM SALT makes it possible to use the reagent in strong mineral acidic media, which is beneficial for the development and analysis of pharmaceutical products.

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