Description

Thymolphthalein Monophosphate Magnesium Salt is a high-purity biochemical reagent used as a chromogenic substrate in enzymatic assays. This compound matters for its critical role in detecting and quantifying the activity of alkaline phosphatase (ALP) and other phosphatases, providing a clear colorimetric endpoint. It is primarily needed by manufacturers of diagnostic kits, research laboratories in life sciences, and quality control departments in the pharmaceutical and biotechnology industries.

Application

• Key chromogenic substrate in diagnostic kits for measuring alkaline phosphatase (ALP) activity in clinical and veterinary settings.
• Essential reagent for enzyme-linked immunosorbent assays (ELISA) and other immunoassay platforms.
• Used in biochemical research to study phosphatase enzyme kinetics and inhibition.
• Component in histochemical staining kits for tissue analysis and pathology.
• Applied in pharmaceutical quality control for testing raw materials and finished products.
• Utilized in food safety testing for detecting microbial contamination via enzymatic methods.
• Serves as a sensitive indicator in molecular biology applications for nucleic acid detection systems.

Basic Information

Product Name	Thymolphthalein Monophosphate Magnesium Salt
CAS No.	35106-21-9
Molecular Formula	C34H32MgO10P2 (or similar coordination complex)
Molecular Weight	Contact for details
Synonyms	Thymolphthalein Monophosphate, Magnesium Salt; Thymolphthalein Phosphate, Mg Salt; TMP-Mg; ALP Substrate; 5',5''-Dibromo-o-cresolsulfonphthalein Monophosphate Magnesium Salt; Phosphothymolphthalein Magnesium Salt; Diagnostic Reagent Grade Thymolphthalein Phosphate
EINECS	Contact for details

Quality Control

Our Thymolphthalein Monophosphate Magnesium Salt is manufactured under strict quality systems to ensure batch-to-batch consistency suitable for diagnostic and research applications. Each lot undergoes rigorous testing for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and functional activity in enzymatic tests is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Solubility	Clear, colorless solution in specified buffer
Functional Activity (ALP Assay)	Conforms to reference standard
Heavy Metals (as Pb)	≤ 10 ppm

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