Optical Brightener ER-III
Hosea Chem® supplies Optical Brightener ER-III, CAS 13001-40-6, for polyester, synthetic fibers and compatible plastic applications, with bulk supply from China. Send Inquiry
Product Description
Optical Brightener ER-III, CAS 13001-40-6
Optical Brightener ER-III, CAS 13001-40-6, is a fluorescent whitening agent used to improve the apparent whiteness and brightness of polyester and other compatible synthetic materials. Its chemical name is 1,4-Bis(4-cyanostyryl)benzene. It is also listed in commercial references under names such as Fluorescent Brightener 199 and Optical Brightener 199.
Product Chemical Properties
Chemical Name: 1,4-Bis(4-cyanostyryl)benzene
Product Name: Optical Brightener ER-III
CAS No.: 13001-40-6
Other Names: Fluorescent Brightener 199, Optical Brightener 199, Fluorescent Whitening Agent ER-III
C.I. Reference: Some commercial sources identify the product as C.I. 199:2; verify against the actual grade documentation.
EC No.: 235-836-7
Molecular Formula: C24H16N2
Molecular Weight: 332.40 g/mol
Chemical Type: Stilbene-Derivative Fluorescent Whitening Agent
Properties: It has high whitening brightening effect and excellent fastness to sublimation.
Product Technical Specification
Appearance: Slight yellow greenish powder
Melting Point:288-201°C
Purity: ≥99%
Moisture Content : ≤0.5
Applications of Optical Brightener ER-III
Applied to the whitening process of Dacron, acetic fiber, polyamide fiber, blends of terylene-cotton.
Packaging
25kg/bag, carton, fiber drum.
Production Capacity
Production Capacity: According to Hosea Chem production schedule and customer order requirements.
Bulk orders, customized packaging and long-term supply programs can be discussed subject to product availability, required specifications and order quantity.
Storage Requirements
Store Optical Brightener ER-III in tightly sealed original packaging in a cool, dry and well-ventilated area.
Protect the product from moisture, excessive heat and direct sunlight.
Optical Brightener ER-III Bulk Supply from China
Hosea Chem® supplies Optical Brightener ER-III, CAS 13001-40-6, for polyester whitening, synthetic fiber processing, textile finishing and compatible plastic applications.