About Disodium Hydrogen Phosphate AR

Disodium Hydrogen Phosphate AR Manufacturer & Supplier in India

HALOGENS is a Disodium Hydrogen Phosphate AR manufacturer and supplier in India, supplying Analytical Reagent (AR) grade Disodium Hydrogen Phosphate for analytical laboratories, pharmaceutical laboratories, quality-control laboratories, research institutions and chemical testing applications.

Disodium Hydrogen Phosphate AR, also known as Disodium Phosphate AR, Sodium Phosphate Dibasic AR and Dibasic Sodium Phosphate AR, is an inorganic phosphate salt widely used for analytical chemistry, buffer preparation, pH control, laboratory testing and research applications.

Disodium Hydrogen Phosphate AR Product Details

Property	Details
Product Name	Disodium Hydrogen Phosphate AR
Common Names	Disodium Phosphate AR, Sodium Phosphate Dibasic AR
Grade	Analytical Reagent (AR)
Chemical Name	Disodium Hydrogen Phosphate
Anhydrous Formula	NaHPO
Hydration Forms	Anhydrous / Dihydrate / Heptahydrate
Appearance	White crystalline powder or crystals
Chemical Type	Inorganic Phosphate Salt
Function	Buffering Agent / Phosphate Source
Applications	Analytical, Laboratory, Pharmaceutical & Research
Manufacturer	HALOGENS
Country of Origin	India

Note: Disodium Hydrogen Phosphate is available in different hydration states. The CAS number and molecular weight depend on the specific hydration form, and should be stated according to the exact product supplied.

Disodium Hydrogen Phosphate AR

Disodium Hydrogen Phosphate AR is Analytical Reagent grade Disodium Hydrogen Phosphate intended for analytical and laboratory applications where controlled chemical purity is required.

It is commonly known as Sodium Phosphate Dibasic and provides phosphate ions in aqueous systems. Disodium Hydrogen Phosphate is widely used together with other phosphate salts for preparing phosphate buffer solutions and maintaining controlled pH conditions.

The AR grade is suitable for applicable analytical procedures, chemical testing, pharmaceutical laboratory work and scientific research.

Disodium Hydrogen Phosphate AR Manufacturer in India

HALOGENS is a Disodium Hydrogen Phosphate AR manufacturer in India, supplying Analytical Reagent grade Disodium Hydrogen Phosphate for analytical, pharmaceutical, laboratory and research applications.

Major application areas include:

• Analytical laboratories
• Pharmaceutical laboratories
• Quality-control laboratories
• Chemical testing laboratories
• Research laboratories
• Buffer preparation
• pH control
• Pharmaceutical analysis
• Chemical analysis
• Research and development

Disodium Hydrogen Phosphate AR Supplier in India

HALOGENS is a Disodium Hydrogen Phosphate AR supplier in India, supplying AR-grade Disodium Hydrogen Phosphate to laboratories, pharmaceutical companies, research organizations and chemical industries.

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Disodium Hydrogen Phosphate AR Laboratory Applications

Analytical Chemistry

Disodium Hydrogen Phosphate AR is used in analytical chemistry and laboratory procedures requiring an appropriate Analytical Reagent grade phosphate salt.

Buffer Preparation

Disodium Hydrogen Phosphate AR is widely used as a component of phosphate buffer systems for laboratory and research applications.

pH Control

It can be used in laboratory preparations where controlled pH conditions are required.

Pharmaceutical Laboratories

Disodium Hydrogen Phosphate AR can be used in pharmaceutical laboratories for analytical testing, laboratory preparations, research and quality-control procedures where AR grade is appropriate.

Chemical Analysis

The product can be used in applicable chemical analysis and testing procedures involving phosphate systems.

Research & Development

Disodium Hydrogen Phosphate AR is used in pharmaceutical, chemical and scientific research applications.

Disodium Hydrogen Phosphate AR Chemical Information

Property	Details
Chemical Name	Disodium Hydrogen Phosphate
Common Name	Sodium Phosphate Dibasic
Anhydrous Formula	NaHPO
Chemical Type	Sodium Phosphate
Grade	Analytical Reagent
Physical Form	White crystalline solid
Function	Buffer / Phosphate Source
Hydration Forms	Anhydrous / Dihydrate / Heptahydrate

The exact CAS number and molecular weight should be specified according to the hydration state of the supplied Disodium Hydrogen Phosphate AR.

Disodium Hydrogen Phosphate AR Quality & Specification

Important quality parameters for Disodium Hydrogen Phosphate AR can include:

• Identification
• Assay
• Appearance
• Solubility
• pH
• Phosphate content
• Sodium content
• Water content
• Loss on drying
• Heavy metals, where applicable
• Applicable impurities
• Grade-specific analytical requirements

The exact specification depends on the hydration form and applicable AR specification.

Disodium Hydrogen Phosphate AR for Pharmaceutical Laboratories

Disodium Hydrogen Phosphate AR is suitable for pharmaceutical laboratory applications including:

 

• Laboratory solution preparation
• Buffer preparation
• pH adjustment
• Pharmaceutical analysis
• Research and development
• Quality-control testing
• Formulation research
• Analytical procedures 

Where a pharmacopoeial specification is required for pharmaceutical manufacturing, the relevant IP, BP or USP grade should be selected according to the required standard.

Disodium Hydrogen Phosphate Grades

HALOGENS can supply Disodium Hydrogen Phosphate in applicable grades including:

 

• Disodium Hydrogen Phosphate LR
• Disodium Hydrogen Phosphate AR
• Disodium Hydrogen Phosphate IP
• Disodium Hydrogen Phosphate BP
• Disodium Hydrogen Phosphate USP
• Disodium Hydrogen Phosphate ACS 

Each grade has its own applicable specification and intended application 

Disodium Hydrogen Phosphate AR Packaging

Disodium Hydrogen Phosphate AR can be supplied in packaging suitable for:

• Laboratory requirements
• Pharmaceutical laboratories
• Analytical laboratories
• Research institutions
• Educational institutions
• Quality-control laboratories
• Chemical industries
• Bulk requirements

Packaging can vary according to quantity, hydration form, grade and application.

Frequently Asked Questions Disodium Hydrogen Phosphate AR

What is Disodium Hydrogen Phosphate AR?

Disodium Hydrogen Phosphate AR is Analytical Reagent grade Disodium Hydrogen Phosphate, commonly known as Sodium Phosphate Dibasic. It is used for analytical, laboratory, pharmaceutical and research applications.

What does AR mean in Disodium Hydrogen Phosphate AR?

AR means Analytical Reagent and indicates a reagent grade intended for applicable analytical and laboratory procedures.

What is the chemical formula of Disodium Hydrogen Phosphate?

The chemical formula of the anhydrous form is NaHPO. Hydrated forms contain additional water of crystallization.

What is Disodium Hydrogen Phosphate AR used for?

It is used for analytical chemistry, buffer preparation, pH control, chemical testing, pharmaceutical laboratory applications and research.

Is Disodium Hydrogen Phosphate AR used for buffer preparation?

Yes. Disodium Hydrogen Phosphate AR is commonly used as a component of phosphate buffer systems.

Is Disodium Hydrogen Phosphate AR available in different hydration forms?

Yes. It can be available as anhydrous, dihydrate and heptahydrate forms. The molecular weight and CAS number depend on the hydration state.

Does the CAS number vary according to hydration form?

Yes. Different hydration states can have different CAS numbers and molecular weights. The exact product form should therefore be identified in the product specification.

What is the difference between Disodium Hydrogen Phosphate AR and LR?

AR means Analytical Reagent, while LR means Laboratory Reagent. The applicable specifications and intended analytical uses can differ between the two grades.

What is the difference between Disodium Hydrogen Phosphate AR and USP?

AR is an analytical reagent grade, while USP is a pharmacopoeial grade intended for applications requiring the applicable United States Pharmacopeia specification.

What is the difference between Disodium Hydrogen Phosphate AR and IP?

AR is intended for applicable analytical and laboratory applications, whereas IP is a pharmacopoeial grade associated with the applicable Indian Pharmacopoeia requirements.

Who is a Disodium Hydrogen Phosphate AR manufacturer in India?

HALOGENS is a Disodium Hydrogen Phosphate AR manufacturer in India, supplying Analytical Reagent grade material for analytical, laboratory, pharmaceutical and research applications.

Who is a Disodium Hydrogen Phosphate AR supplier in India?

HALOGENS is a Disodium Hydrogen Phosphate AR supplier in India, supplying AR-grade Disodium Hydrogen Phosphate to laboratories, pharmaceutical companies, research organizations and chemical industries.

Key Features and Specifications

Disodium Hydrogen Phosphate AR is characterized by its crystalline, white powder appearance and high solubility in water. With a molecular weight of 141.96 g/mol and density of 1.52 g/cm3, it offers reliable stability and a consistent pH of approximately 8.9 in a 1% solution. The product is classified as non-hazardous under GHS and has a decomposition temperature above 250C, releasing phosphoric acid upon breakdown. Each package contains 25 kg within secure, plastic woven bags.


Safety and Storage Guidelines

While Disodium Hydrogen Phosphate AR is not regarded as hazardous or poisonous, it is hygroscopic, meaning it readily absorbs moisture from the air. To maintain its integrity, it should be stored tightly sealed in a cool, dry environment. Proper storage ensures a shelf life of five years, preserving both efficacy and purity. Handling the product does not require specialized equipment, but minimizing exposure to ambient moisture will prolong its usability.


Common Applications and Benefits

This compound is indispensable for laboratory analyses, buffer solution preparation, water treatment, and detergent formulations. Its high purity AR grade makes it suitable for analytical and chemical synthesis work. The highly soluble and alkaline characteristics enhance its performance as a buffering agent. Disodium Hydrogen Phosphate AR is also favored for its stable, odorless, and non-toxic profile, ensuring both safety and versatility in various scientific and industrial settings.