Fluorescent Brightener ER-II
Hosea Chem® supplies Fluorescent Brightener ER-II, CAS 13001-38-2, also known as Optical Brightener ER-II and C.I. 199:1, for polyester, textile, coating and fluorescent whitening applications with bulk supply from China. Send Inquiry
Product Description
Fluorescent Brightener ER-II, CAS 13001-38-2
Fluorescent Brightener ER-II is a stilbene-based fluorescent whitening agent with the chemical name 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene. It is also known as Optical Brightener ER-II, Fluorescent Brightener 199:1, C.I. 199:1, Optical Brightener 199:1 and 2,4'-[1,4-Phenylenebis(2,1-ethenediyl)]bisbenzonitrile.
Product Chemical Properties
Chemical Name: 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene
Product Name: Fluorescent Brightener ER-II
CAS No.: 13001-38-2
Synonyms: Optical Brightener ER-II, Fluorescent Brightener 199:1, C.I. 199:1, C.I. Fluorescent Brightener 199:1, Optical Brightener 199:1, ER-II, 2,4'-[1,4-Phenylenebis(2,1-ethenediyl)]bisbenzonitrile, 4'-(2-Cyanostyryl)-4-stilbenecarbonitrile
EC No.: 235-834-6
Molecular Formula: C24H16N2
Molecular Weight: 332.4 g/mol
Chemical Type: Stilbene Fluorescent Brightener
Main Function: Fluorescent Whitening Agent
Product Technical Specification
Appearance: Yellowish-green powder
Melting point: 181–192°C
Dyeing temperature: ≤0.5%
Applications of Fluorescent Brightener ER-II
1. Suitable for PET bottles, films, coatings and inks, high-whiteness fibers, etc.
2. Offers significant brightness enhancement, particularly in materials with low initial whiteness.
3. Exhibits high UV resistance.
4. Solubility is slightly inferior to that of ER-1.
Packaging
25kg/carton.
Production Capacity
4800MT/year.
Storage Requirements
Store Fluorescent Brightener ER-II in tightly sealed original containers in a cool, dry and well-ventilated area.
Protect the product from moisture, excessive heat and direct sunlight.
Keep containers properly closed when not in use.
Fluorescent Brightener ER-II Bulk Supply from China
Hosea Chem® supplies Fluorescent Brightener ER-II, CAS 13001-38-2, also known as Optical Brightener ER-II, Fluorescent Brightener 199:1 and C.I. 199:1, for polyester, synthetic fiber, textile, artificial leather, coating and other fluorescent whitening applications.