Description

2-Hydroxybiphenyl Sodium Salt Tetrahydrate is a versatile organic salt widely utilized as a key intermediate and functional additive in advanced chemical synthesis. Its value lies in its ability to act as a stabilized phenolic precursor, offering improved handling characteristics compared to the free phenol. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-purity building blocks for their processes.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with biphenyl or phenolic frameworks.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the biphenyl structure is a core component.
• Polymer Stabilizer & Additive: Functions as a precursor for antioxidants and light stabilizers in plastics, rubber, and synthetic fibers to prevent degradation.
• Organic Synthesis Reagent: Acts as a nucleophile or a protected phenol equivalent in various coupling and functionalization reactions in fine chemical manufacturing.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chemical entities and catalytic processes.

Basic Information

Product Name	2-Hydroxybiphenyl Sodium Salt Tetrahydrate
CAS No.	6152-33-6
Molecular Formula	C12H9NaO·4H2O
Molecular Weight	264.23 g/mol (Anhydrous basis: 192.19)
Synonyms	[2-Biphenylyl]sodium oxide tetrahydrate; Sodium 2-phenylphenolate tetrahydrate; 2-Phenylphenol sodium salt tetrahydrate; o-Phenylphenol sodium salt tetrahydrate; OPP-Na; Sodium o-phenylphenoxide tetrahydrate; Sodium biphenyl-2-olate tetrahydrate; Dowicide A (as sodium salt)
EINECS	Contact for details

Quality Control

Our 2-Hydroxybiphenyl Sodium Salt Tetrahydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. We provide full traceability and Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or decomposition. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0% (on anhydrous basis)
Water Content (KF)	24.0% - 28.0% (Theoretical: 27.3%)
pH (5% solution)	10.0 - 12.0
Heavy Metals (as Pb)	≤20 ppm

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