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Dimethyl 5-Sodiosulfoisophthalate

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MOQ : 50 Kilograms

Dimethyl 5-Sodiosulfoisophthalate Specification

Shelf Life
12 months

Storage Instructions
Store in a cool, dry, well-ventilated area, away from sources of moisture and heat

CAS No
3965-55-7

Boiling point
Not applicable (decomposes before boiling)

Packaging Type
HDPE bags with PE liners

Molecular Formula
C10H9NaO7S

Density
1.53 Gram per cubic centimeter(g/cm3)

Size
Custom packaging available

Molecular Weight
274.21 g/mol

Ph Level
5.5 - 7.5 (1% solution)

Melting Point
>300C (decomposes)

Physical State
Solid

Usage
Used as a monomer for sulfonated polyester and specialty polymers

Purity
>99%

Grade
Industrial Grade

Type
Aromatic Sulfonic Ester

Application
Intermediate for PET resin production, dye, fiber, and coatings

Appearance
White to off-white crystalline powder

Purity(%)
>99%

Hazard Class
Non-hazardous

HS Code
29173990

pKa
Approximately 1.8

Stability
Stable under normal storage conditions

Solubility
Soluble in water

Odor
Odorless

Dimethyl 5-Sodiosulfoisophthalate Trade Information

Minimum Order Quantity
50 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Dimethyl 5-Sodiosulfoisophthalate

Dimethyl 5-Sodiosulfoisophthalate

CAS Number : 3965-55-7

Molecular Formula : C10H9O7SNa

Molecular Weight : 296.23

Application : In resin, it is used for the production of water soluble polyester resin used at sizing stage of textile processing.

Versatile Intermediate for Industrial Applications

Dimethyl 5-Sodiosulfoisophthalate serves as a vital monomer for producing sulfonated polyester, specialty polymers, dyes, and coatings. Trusted across industries, its stability and high purity ensure product consistency and efficiency in end-use applications such as PET resins, textile fibers, and industrial coatings.

Safe Handling and Simple Storage

This product is non-hazardous and stable under normal storage conditions. For optimal preservation, it should be stored in a cool, dry, and well-ventilated area, away from heat and moisture. HDPE packaging with PE liners further protects against contamination, supporting a shelf life of up to 12 months.

FAQs of Dimethyl 5-Sodiosulfoisophthalate:

Q: How should Dimethyl 5-Sodiosulfoisophthalate be stored to maintain its quality?

A: Store this compound in a cool, dry, and well-ventilated area, away from sources of heat and moisture. Its HDPE packaging with PE liners helps protect it, supporting a shelf life of 12 months under recommended conditions.

Q: What are the main industrial uses of Dimethyl 5-Sodiosulfoisophthalate?

A: This compound is widely used as an intermediate for PET resin production, and serves crucial roles in the manufacture of specialty polymers, dyes, synthetic fibers, and industrial coatings.

Q: Where is Dimethyl 5-Sodiosulfoisophthalate commonly applied in manufacturing processes?

A: It is used primarily in polymer and resin manufacturing facilities, dye and pigment plants, and by companies producing specialty fibers and coatings. Common applications are found in the plastics, textiles, and coatings industries.

Q: What benefits does Dimethyl 5-Sodiosulfoisophthalate offer as a polymer monomer?

A: Its high purity, water solubility, and stable nature make it ideal as a monomer for producing high-performance sulfonated polyesters and specialty polymers, resulting in improved product properties and reliable manufacturing outcomes.

Q: How is Dimethyl 5-Sodiosulfoisophthalate used during the PET resin production process?

A: It acts as a sulfonated comonomer, incorporated into the polymer chain to impart desirable properties like increased hydrophilicity, improved dyeability, and enhanced compatibility with other materials.

Q: What is the appearance and physical form of Dimethyl 5-Sodiosulfoisophthalate?

A: It is a white to off-white crystalline powder that is odorless, solid at room temperature, and has a density of 1.53 g/cm. It is supplied in a highly pure form (>99%).

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