Based on the real production practices of global textile auxiliary manufacturers across Europe, America, and Asia, 1 3 dimetilurea has become a core raw material in modern eco-friendly textile processing systems. Identified by cas no 96 31 1 y EINECS No. 202-498-7, this compound is widely recognized for its excellent reactivity, stability, and environmental compatibility.

Commonly known as Sym-dimethylurea, Symmetricdimethylurea, or n n dimethyl urea, this compound has the molecular formula c3h8n2o and typically appears as a White crystalline powder or White Powder Pharmaceutical Grade material depending on purity requirements. In industrial applications, 1, 3-Dimethylurea 96-31-1 plays a critical role in crosslinking, fixation, and modification processes in textile auxiliaries.

1. Core Application Principles of 1,3-Dimethylurea

1.1 Molecular Structure and Reactivity Mechanism

The chemical structure of 1 3 dimetilurea contains a substituted urea functional group (-CON(CH₃)₂), which provides high reactivity toward hydroxyl (-OH) groups present in cellulose fibers such as cotton and viscose.

Due to its molecular composition (c3h8n2o), Sym-dimethylurea demonstrates:

1. Excellent water solubility
2. Strong hydrogen bonding capability
3. High thermal stability during processing

In textile finishing systems, this compound reacts with fiber surfaces and auxiliary agents (such as resins and reactive groups), forming a stable three-dimensional crosslinked network. This network structure is responsible for enhancing fabric performance.

1.2 Functional Advantages in Textile Auxiliaries

Globally, textile chemical manufacturers utilize 1, 3-Dimethylurea 96-31-1 for several key functional improvements:

Wrinkle resistance (anti-crease finishing)

Easy-care and non-ironing performance

Durable press properties

Dye fixation and color fastness enhancement

A major advantage of n n dimethyl urea is its ability to replace traditional formaldehyde-based crosslinking agents. This supports the production of low-formaldehyde and formaldehyde-free textile auxiliaries, aligning with global environmental regulations.

Additionally, the physical form of the product—typically a White crystalline powder—ensures easy handling, storage, and formulation compatibility across various industrial processes.

2. Global Application Scenarios and Industrial Practices

Based on the production practices of leading textile auxiliary companies worldwide, the application of Symmetricdimethylurea is concentrated in several major categories. While regional priorities differ slightly, the core application logic remains consistent.

2.1 Non-Formaldehyde Wrinkle-Resistant Finishing Agents (Core Global Application)

This is the most important application of 1 3 dimetilurea. Textile auxiliary manufacturers globally use it as a key crosslinking intermediate in eco-friendly finishing agents.

Application Method:

Companies combine 1, 3-Dimethylurea 96-31-1 with polyols, catalysts, and resin systems to produce non-formaldehyde finishing agents. During the padding, drying, and curing processes, the compound reacts with cellulose fibers, stabilizing their molecular arrangement.

Resulting Benefits:

Long-lasting wrinkle resistance

Improved fabric smoothness

Enhanced durability after multiple washes

Global Practices:

European manufacturers focus on high-end eco-textiles and strict environmental compliance.

American companies emphasize durability and performance in home textiles.

Asian producers prioritize cost-effective solutions for large-scale cotton processing.

2.2 Eco-Friendly Fixing Agents (Key Application in Europe, China, and the U.S.)

Another major use of n n dimethyl urea is in dye fixing agents, particularly for reactive and direct dyes.

Application Method:

After dyeing, fabrics are treated with fixing agents containing Sym-dimethylurea, which interacts with dye molecules and fiber surfaces. This creates a protective layer that locks dyes in place.

Benefits:

Improved color fastness

Reduced dye migration

Enhanced color uniformity

The stable chemical properties of c3h8n2o ensure consistent performance under industrial processing conditions.

2.3 Crosslinking Agent in Multi-Functional Auxiliaries (Universal Application)

As a general-purpose crosslinking component, 1 3 dimetilurea is widely used in various textile auxiliaries, including anti-static agents and soft finishing systems.

Application Logic:

Manufacturers add 1, 3-Dimethylurea 96-31-1 to formulations to enhance bonding between auxiliary agents and fibers. This improves durability, wash resistance, and overall product stability.

Industry Practice:

All major textile chemical companies incorporate this compound into their formulations due to its compatibility and reliability.

2.4 Cotton Fabric Eco-Finishing Agents (Regional Focus: Asia, Europe, America) 

For cotton textiles, Symmetricdimethylurea is used in specialized finishing agents that address common issues such as wrinkling and poor hand feel.

Application Method:

Combined with softeners and anti-static agents, White Powder Pharmaceutical Grade or industrial-grade material is formulated into cotton-specific auxiliaries.

Benefits:

Wrinkle resistance

Improved softness

Enhanced processing stability

This application is particularly important in regions with large cotton textile industries, such as Asia.

2.5 Low-Formaldehyde and Formaldehyde-Free Resins (Key R&D Direction)

With increasing environmental regulations, global manufacturers are developing resins based on 1 3 dimetilurea to replace traditional urea-formaldehyde systems.

Application Method:

Using 1, 3-Dimethylurea 96-31-1 as a core raw material, companies produce eco-friendly resins that eliminate formaldehyde emissions.

Benefits:

Compliance with international environmental standards

Safer for infant and high-end textile products

Improved sustainability profile

As a highly versatile compound identified by cas no 96 31 1 y EINECS No. 202-498-7, 1 3 dimetilurea plays a central role in modern textile auxiliary systems. Whether referred to as Sym-dimethylurea, Symmetricdimethylurea, or n n dimethyl urea, its molecular structure (c3h8n2o) and physical form as a White crystalline powder make it an indispensable industrial material.

From wrinkle-resistant finishing agents to eco-friendly resins, 1, 3-Dimethylurea 96-31-1 continues to support innovation in sustainable textile processing. As global industries move toward greener solutions, its importance will only continue to grow.

FAQ: 1,3-Dimethylurea CAS No 96 31 1 Applications and Properties

1. What is 1 3 dimethylurea and its CAS No 96 31 1?

1 3 dimetilurea is a urea derivative identified by cas no 96 31 1 y EINECS No. 202-498-7, widely used in textile auxiliaries and chemical industries.

2. What are the properties of Sym-dimethylurea and Symmetricdimethylurea?

Sym-dimethylurea (also called Symmetricdimethylurea) has the molecular formula c3h8n2o and appears as a White crystalline powder with excellent solubility and thermal stability.

3. What is the difference between n n dimethyl urea and 1, 3-Dimethylurea 96-31-1?

n n dimethyl urea y 1, 3-Dimethylurea 96-31-1 refer to the same compound, just expressed using different naming conventions.

4. Why is White Powder Pharmaceutical Grade 1 3 dimethylurea used?

White Powder Pharmaceutical Grade material ensures higher purity, making it suitable for applications requiring strict quality control, such as pharmaceuticals and high-end textiles.

5. What are the main applications of 1 3 dimethylurea in industry?

1 3 dimetilurea is mainly used in textile finishing, crosslinking agents, dye fixing agents, and eco-friendly resin production due to its excellent reactivity and stability.