AzBTS [=2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonic Acid Ammonium Salt)] [Spectrophotometric reagent for free chlorine] TCI A5200

Chemical Identity

CAS No.: 30931-67-0
PubChem: CID 9570474·SID 87563132
Formula: C18H24N6O6S4
Molecular weight: 548.7 g/mol
Purity: >98.0%(HPLC)(T)
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: diazanium;(2Z)-3-ethyl-2-[(Z)-(3-ethyl-6-sulfonato-1,3-benzothiazol-2-ylidene)hydrazinylidene]-1,3-benzothiazole-6-sulfonate
SMILES: CCN1/C(=N/N=C/2\SC3=C(N2CC)C=CC(=C3)S(=O)(=O)[O-])/SC4=C1C=CC(=C4)S(=O)(=O)[O-].[NH4+].[NH4+]
InChIKey: OHDRQQURAXLVGJ-AXMZSLBLSA-N

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AzBTS (2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonic Acid Ammonium Salt)) is a spectrophotometric reagent specifically designed for the detection of free chlorine in various sample types. It plays a critical role in analytical chemistry laboratories where accurate and rapid quantification of free chlorine is essential. This reagent is widely used in environmental, water, and industrial laboratories for its reliability and precision in detecting trace amounts of chlorine. Its application is particularly important in monitoring water quality and ensuring compliance with regulatory standards.

AzBTS is preferred due to its chemical stability and high reactivity towards free chlorine. It exhibits consistent performance across a range of environmental conditions, making it suitable for use in diverse sample matrices. The reagent undergoes a color change upon reaction with free chlorine, which can be measured using a spectrophotometer. This colorimetric response is both sensitive and reproducible, ensuring accurate results even in complex sample environments. Its chemical properties allow it to maintain effectiveness in both aqueous and industrial samples.

In Indonesian laboratories, AzBTS is a key component in environmental and water quality testing. It is commonly used in the analysis of drinking water, groundwater, and wastewater to assess chlorine levels. Its reliability and ease of use make it a preferred choice for laboratories that require consistent and accurate data for regulatory compliance and public health monitoring. The reagent supports a wide range of analytical procedures, contributing to the overall efficiency of laboratory operations.

Related TCI products

Environmental monitoring for free chlorine detection in water and wastewater samples due to its high sensitivity and accuracy.
Industrial water treatment analysis to ensure proper disinfection levels and compliance with safety standards.
Drinking water quality assessment to detect residual chlorine and ensure safe consumption.
Groundwater testing for contamination and chlorination processes in public water supply systems.
Wastewater treatment plant operations to monitor chlorine levels and optimize disinfection efficiency.

Brand	TCI
CAS number	30931-67-0
Molecular formula	—
Purity	—
Category	Analytical Chemistry > Analytical Reagents > Spectroscopy Reagents
Pack sizes	Available in standard laboratory quantities as per supplier specifications
Physical form	Solid powder or crystalline powder
Storage	Store in a cool, dry place away from direct sunlight and moisture

AzBTS should be stored in a cool, dry environment, away from direct sunlight and moisture to maintain its chemical stability. It is recommended to keep the reagent in airtight containers to prevent exposure to humidity and contaminants. When handling, ensure that the workspace is clean and free from potential chemical interactions. Avoid contact with incompatible substances, and use appropriate personal protective equipment such as gloves and safety goggles. Proper labeling of containers is essential for safe storage and easy identification. This reagent is non-hazardous under normal conditions but should be handled with care to ensure laboratory safety and maintain its analytical performance.

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