Products Description
Sodium carboxymethyl cellulose, commonly abbreviated as CMC and also known as cellulose gum, is a carboxymethyl‑modified cellulose derivative and one of the key anionic cellulose ethers. It is synthesized via the chemical reaction of natural cellulose with sodium hydroxide and monochloroacetic acid. As an anionic polymer, its molecular weight ranges from several thousand to millions.
CMC occurs as white to milky‑white fibrous powder or granules, with a bulk density of 0.5‑0.7 g/cm³. It is virtually odorless, tasteless and hygroscopic. The material disperses readily in water to yield clear colloidal solutions, while remaining insoluble in organic solvents such as ethanol. A 1% aqueous solution typically exhibits a pH ranging from 6.5 to 8.5, and delivers optimal performance under near‑neutral conditions at pH 7. Its viscosity drops drastically when the pH value rises above 10 or falls below 5.
This polymer displays favorable thermal stability. Solution viscosity rises rapidly at temperatures below 20 °C and changes moderately at 45 °C. However, prolonged heating above 80 °C will trigger colloid denaturation, accompanied by notable loss of viscosity and deterioration of overall performance. CMC maintains good stability within alkaline media, yet it is prone to hydrolysis under acidic circumstances. Precipitation will take place when the pH decreases to 2‑3 or when multivalent metal salts are introduced into the system.
Products Chemical Properties
| Melting point | 274 °C (dec.) |
| density | 1,6 g/cm3 |
| FEMA | 2239 | CARBOXYMETHYLCELLULOSE |
| storage temp. | room temp |
| solubility | H2O: 20 mg/mL, soluble |
| form | low viscosity |
| pka | 4.30(at 25℃) |
| color | White to light yellow |
| PH | pH (10g/l, 25℃) 6.0～8.0 |
| Odor | Odorless |
| PH Range | 6.5 - 8.5 |
| Water Solubility | soluble |
| Merck | 141829 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| EPA Substance Registry System | Sodium carboxymethyl cellulose (9004-32-4) |
| Risk Statements | 40 |
| Safety Statements | 24/25 |
| WGK Germany | 1 |
| RTECS | FJ5950000 |
| F | 3 |
| Autoignition Temperature | 698 °F |
| TSCA | Yes |
| HS Code | 39123100 |
| Toxicity | LD50 oral in rabbit: > 27gm/kg |
Products Application
Sodium carboxymethyl cellulose (CMC) acts as a versatile thickener, stabilizer and emulsifier, finding broad‑scale deployment across multiple industrial sectors.
1.Food Applications: Food‑grade CMC delivers outstanding thickening, emulsifying, shaping, water‑retention and stabilizing performance. Incorporated into food formulations, it helps lower production costs, optimize product quality, refine sensory taste and extend shelf‑life. It is widely applied in beverages, canned goods, confectionery, pastries, meat products, biscuits, instant noodles, frozen desserts, soybean milk, yogurt, fruit juice and many other foodstuffs. The practical usage and dosage should be adjusted according to specific formulation requirements.
2.Pharmaceutical Applications: As a polysaccharide‑derived material with favorable biocompatibility and biodegradability, sodium carboxymethyl cellulose enjoys extensive utilization within pharmaceutical manufacturing. It can serve as a tablet binder, suspending agent for liquid preparations and auxiliary excipient for various topical formulations to meet diverse pharmaceutical processing demands.
Company Profile
Shandong Furuida Chemical Co., Ltd. is a globally oriented chemical foreign trade enterprise located in the core chemical industrial zone of Shandong Province. The company is supported by self-owned standardized factories and maintains an integrated operational framework that encompasses production, quality control, cross-border trade, and global logistics. This framework provides the company with independent manufacturing capacity and the ability to develop international markets.
Product & Service Offerings：The company supplies a range of chemical products, including basic chemical raw materials, fine intermediates, chemical additives, and rubber and plastic feedstocks. These products serve multiple downstream sectors, such as rubber and plastics processing, coatings manufacturing, daily chemicals production, building materials, and textile manufacturing. Shandong Furuida also offers customized product development and a comprehensive one-stop foreign trade service, with capabilities in customs clearance, logistics management, and technical after-sales support.
Operational Advantages：The company's factory-direct supply model addresses common industry challenges, including supply instability, intermediary price markups, inconsistent product quality, and delivery delays. Transparent and stable pricing is achieved through direct manufacturer-to-customer channels. A full-process quality management system ensures product reliability across all batches. Established cross-border logistics infrastructure reduces delivery lead times and enhances service dependability.
Global Presence：The company serves clients across Asia, Europe, the Americas, and the Middle East. Its primary customer base includes domestic and international chemical manufacturers, terminal processing plants, and cross-border trading companies. Shandong Furuida is dedicated to providing competitive pricing, consistent product quality, and responsive professional service to its global partners.
