Fluorescent Brightener 87
Hosea Chem® supplies Fluorescent Brightener 87, CAS 12768-91-1, for textile, paper and other optical brightening applications, with bulk supply from China. Send Inquiry
Product Description
Fluorescent Brightener 87, CAS 12768-91-1
Fluorescent Brightener 87, CAS 12768-91-1, is a fluorescent whitening agent also known as Kayaphor S, Optical Brightener VBU and Fluorescent Brightening Agent 87. It belongs to the stilbene-based family of fluorescent brighteners and is used to improve the apparent whiteness and brightness of compatible materials.
Product Chemical Properties
Chemical Name: Tetrasodium salt of a stilbene-based fluorescent whitening compound
Product Name: Fluorescent Brightener 87
CAS No.: 12768-91-1
Synonyms: Kayaphor S, Optical Brightener VBU, Fluorescent Brightening Agent 87, Fluorescent Brightener 87 Technical Grade
Molecular Formula: C40H40N12Na4O16S4
Molecular Weight: Approximately 1165.05 g/mol
Chemical Type: Stilbene-Based Fluorescent Whitening Agent
C.I. No.: 113
Main Chemical Composition: Stilbene bistriazine derivative
Properties
1) With strong fluorescence, excellent whitening effect and slight bluish shade
2) With high light resistance and chemical stability.
3) Good acid resistance, stable in perborate and hydrogen peroxide.
Treating Process
Exhaust process: 0.1-0.8% (o.w.f.), bath ratio: 1:10-30
Temperature 90--100¡ãC¡Á30-40min-wash-dry.
The process can be adjusted according to the actual situation.
One bath process of Scouring hydrogen peroxide bleaching and whitening:
Dosage:0.2-0.8%( o.w.f.)
Stabilizer:1-5g/L
Scouring agent:0.5-1g/L
hydrogen peroxide:5-15/L
NaOH:2-4g/L
bath ratio:1:10-30
Temperature:90--100¡ãC×30-40min wash dry. The processing can be adjusted according to the actual situation.
Product Technical Specification
Appearance:Slight yellow uniform powder
Shade: Slight bluish
Water:<5%
Fineness(120 mesh residue):≤5%
Applications of Fluorescent Brightener 87
Mainly be used in whitening of cotton fabric and polyester /cotton blends.T/C whitening in one bath.
Packaging
25kg/ fiber drum.
Production Capacity
4800MT/year.
Storage Requirements
Store in tightly sealed original packaging in a cool, dry and well-ventilated area, unless the product-specific SDS specifies otherwise.
Protect from moisture, excessive heat, direct sunlight and contamination.
Keep containers properly closed when not in use.
Fluorescent Brightener 87 Bulk Supply from China
Hosea Chem® supports inquiries for Fluorescent Brightener 87, CAS 12768-91-1, for textile whitening and other compatible industrial optical brightening applications.