Description

Monobutyl Phthalate is a versatile chemical ester widely used as a plasticizer and solvent in industrial formulations. Its primary value lies in its ability to impart flexibility and workability to polymeric materials, making it a critical component in various manufacturing processes. This product is essential for industries involved in plastics, coatings, adhesives, and specialty chemical synthesis.

Application

• Primary plasticizer for polyvinyl chloride (PVC), polyvinyl acetate (PVAc), and other synthetic resins.
• Solvent and coalescing agent in paints, coatings, and printing inks.
• Intermediate in the synthesis of specialty chemicals, dyes, and pharmaceuticals.
• Additive in adhesive and sealant formulations to modify viscosity and film properties.
• Component in lubricant and grease formulations.
• Used in the production of cellulose-based plastics and films.

Basic Information

Product Name	Monobutyl Phthalate
CAS No.	131-70-4
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	Butyl Hydrogen Phthalate; 1-Butyl Hydrogen Phthalate; n-Butyl Hydrogen Phthalate; Phthalic Acid Monobutyl Ester; Mono-n-butyl Phthalate; MBuP; MBP; Monobutyl Phthalic Acid Ester; Butyl Phthalate (mono); 2-(Butoxycarbonyl)benzoic Acid
EINECS	205-024-5

Quality Control

Our Monobutyl Phthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and key parameters is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Phthalic Acid)	≤ 1.0%
Specific Gravity (20°C)	1.120 - 1.135
Refractive Index (20°C)	1.510 - 1.520

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