Description

Naphthol As-Mx Phosphate Disodium Salt CAS NO 96189-12-7 is a specialized biochemical reagent primarily used as a substrate for the detection of alkaline phosphatase activity. This compound matters for its high sensitivity and specificity in enzymatic assays, enabling precise measurement in diagnostic and research applications. It is needed by manufacturers of diagnostic kits, research laboratories in life sciences, and quality control departments in the pharmaceutical industry for critical analytical procedures.

Application

• Primary substrate in enzyme-linked immunosorbent assays (ELISA) for clinical diagnostics.
• Key reagent in histochemical and cytochemical staining to localize alkaline phosphatase activity in tissue samples.
• Component in research-grade biochemical kits for studying enzyme kinetics and inhibition.
• Used in molecular biology applications, including Western blotting and nucleic acid hybridization detection systems.
• Quality control testing in pharmaceutical manufacturing for processes involving phosphatase enzymes.
• Potential use in the development of biosensors and other analytical devices.

Basic Information

Product Name	Naphthol As-Mx Phosphate Disodium Salt
CAS No.	96189-12-7
Molecular Formula	C18H13N2Na2O6P
Molecular Weight	452.25 g/mol
Synonyms	Naphthol AS-MX Phosphate Disodium Salt; 3-Hydroxy-2-naphthoic acid 2,4-dimethylanilide phosphate disodium salt; Fast Red Violet LB Salt; Naphthol AS-MX phosphate, disodium salt; Phosphoric acid 2-[(2,4-dimethylphenyl)carbamoyl]-1-naphthyl ester disodium salt; AS-MX Phosphate; 6-Benzoyl-2-naphthyl phosphate disodium salt (related structure); Alkaline phosphatase substrate AS-MX.
EINECS	Contact for details

Quality Control

Our Naphthol As-Mx Phosphate Disodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for diagnostic and research applications. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and light-sensitive (store away from light). Keep the container tightly sealed in a desiccated environment to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Solubility	Soluble in water, buffer solutions
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines
Functional Activity	Suitable for use as enzyme substrate

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.