Ortho-Phosphoric Acid 85% 2.5L Merck

Ortho-Phosphoric Acid 85% from Merck (EMSURE®) is a high-purity analytical reagent (AR) grade acid designed for precision laboratory and industrial applications. Known for its exceptional quality and chemical stability, this reagent meets ACS, ISO, and Ph Eur standards, making it suitable for analytical testing, sample preparation, and pH adjustment.

With a purity of 85%, this phosphoric acid (H₃PO₄) is commonly used in laboratories, research facilities, and industrial processes that require high chemical accuracy. It is a clear, colorless, and viscous liquid that acts as both an acidifying and dehydrating agent, offering consistent performance even under demanding analytical conditions.

Because of its trace impurity control, this reagent guarantees reproducibility in all analytical results — a hallmark of Merck’s EMSURE® line, trusted globally for its precision and reliability.

Key Features of the Ortho-Phosphoric Acid 85%

• Chemical Name: Ortho-Phosphoric Acid
• Chemical Formula: H₃PO₄
• Purity: 85%
• Grade: EMSURE® Analytical Reagent (AR), ACS, ISO, Ph Eur compliant
• CAS Number: 7664-38-2
• Molecular Weight: 97.99 g/mol
• Appearance: Clear, colorless, viscous liquid
• Packaging Volume: 2.5 Liters
• Brand: Merck (Supelco® / EMSURE®)
• Origin: Germany
• Quality Certification: ISO 9001 Certified

⚙️ Applications

Due to its versatility and controlled purity, Ortho-Phosphoric Acid 85% is widely used across multiple industries:

• Analytical Chemistry: Used for pH adjustment, acid-base titrations, and sample preparation.
• Industrial Manufacturing: Plays a key role in fertilizer, detergent, and food additive production.
• Metal Treatment: Commonly used for rust removal and metal surface cleaning.
• Food Industry: Used as an acidulant and buffering agent under regulated applications.
• Pharmaceuticals: Aids in compound synthesis and formulation processes.
• Water Treatment: Helps control pH and remove scaling compounds in water systems.

Its broad applicability and high stability make it indispensable in both laboratory and production settings.

⚗️ Technical Specifications

💡 Why Buy It?

Choosing Merck EMSURE® Ortho-Phosphoric Acid 85% means investing in accuracy, safety, and proven quality. Here’s why professionals prefer it:

1. Laboratory-Grade Purity: Meets ACS and ISO standards for reproducible, traceable results.

2. Versatile Application: Ideal for chemical, industrial, food, and pharmaceutical use.

3. Superior Stability: Maintains consistent concentration and performance over time.

4. Global Quality Assurance: Backed by Merck’s ISO-certified manufacturing standards.

5. Excellent Value: High-quality acid in a durable 2.5L HDPE container ensures safe storage and long shelf life.

6. Trusted Worldwide: Used in thousands of certified laboratories and industries globally.

7. Eco-Compliant Packaging: Designed for safe handling, transportation, and storage.

Whether you’re performing critical analytical testing or large-scale production, this product ensures precision, consistency, and compliance every time.

⚠️ Safety & Handling

Phosphoric acid is a corrosive liquid and must be handled with appropriate safety precautions.

• Always wear gloves, goggles, and protective clothing when using.
• Store in a cool, well-ventilated area, away from heat and incompatible materials.
• Avoid contact with metals, strong oxidizers, and bases.
• Dispose of waste in accordance with local environmental regulations.
• Refer to the Safety Data Sheet (SDS) for detailed handling information.

Proper handling ensures both laboratory safety and long-term reagent integrity.

❓ Frequently Asked Questions (FAQ)

Q1: What is Ortho-Phosphoric Acid used for?
A1: It’s primarily used in analytical chemistry, industrial cleaning, fertilizer production, and water treatment.

Q2: Can this acid be used for food processing?
A2: Yes, under regulated conditions, it can act as an acidulant and pH stabilizer in food-grade applications.

Q3: Is the product compliant with ISO standards?
A3: Yes, this reagent meets ISO, ACS, and Ph Eur quality requirements.

Q4: How should I store this acid safely?
A4: Store in a cool, dry, and well-ventilated area, in a tightly sealed container away from metals and alkalis.

Q5: What is the shelf life of this product?
A5: When stored properly, it retains its quality and concentration for up to 3 years from the manufacturing date.