Description

Methylcarboxymethylcellulose is a chemically modified cellulose ether, valued for its unique combination of thickening, stabilizing, and film-forming properties. This versatile compound is engineered to provide enhanced performance in aqueous systems where precise rheological control is required. It serves as a critical functional additive for formulators and manufacturers in the pharmaceutical, personal care, and specialty chemical industries.

Application

• Pharmaceutical Formulations: Acts as a binder, sustained-release matrix former, and viscosity modifier in tablet coatings and topical gels.
• Personal Care Products: Used as a thickener and stabilizer in creams, lotions, and hair care formulations to improve texture and consistency.
• Industrial Adhesives & Sealants: Provides water retention and modifies flow properties in specialty adhesive and cement-based products.
• Ceramic Processing: Functions as a binder and plasticizer in ceramic slips and bodies to improve green strength and shaping.
• Textile Printing & Sizing: Serves as a thickener for pigment pastes and a protective film-former on yarns.
• Food Industry (where grade compliant): Potential use as a stabilizer and thickener in specific food systems, subject to regulatory approval and grade specification.

Basic Information

Product Name	Methylcarboxymethylcellulose
CAS No.	37206-01-2
Molecular Formula	(C10H16O8)n
Molecular Weight	Variable (Polymer)
Synonyms	Carboxymethyl Methyl Cellulose; CM-MC; Methyl-CMC; Cellulose, methyl ether, carboxymethyl ether; Sodium Methylcarboxymethylcellulose (common salt form); Methocel® (related trade series); Tylose® (related trade series); Cellulose Gum (methyl carboxymethyl ether)
EINECS	253-407-2

Quality Control

Our Methylcarboxymethylcellulose is produced under a strict quality management system. Each batch is tested against rigorous in-house specifications to ensure consistency in viscosity, degree of substitution, purity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request. We can support compliance needs for various application standards, including pharmaceutical (potential USP/NF) and industrial grades.

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 material is hygroscopic (moisture-sensitive); the original container must be kept tightly sealed after use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (as dry basis)	≥ 95.0%
Degree of Substitution (Methoxy)	1.2 - 2.0
Degree of Substitution (Carboxymethyl)	0.2 - 0.8
Viscosity (2% aqueous solution)	Specified range (e.g., 100 - 10,000 cP)
pH (1% solution)	6.0 - 8.5
Loss on Drying	≤ 10.0 %
Residue on Ignition (Sulfated Ash)	≤ 1.5 %

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