Keywords

• FLUORESCENT BRIGHTENER CF
• Optical Brightening Agent 134
• 3426-43-5

Quick Details

• ProName: FLUORESCENT BRIGHTENER CF C.I.134
• CasNo: 3426-43-5
• Molecular Formula: C34H28N10O8S2Na2
• Appearance: Slight yellow powder
• Application: Mainly be used as brightener of contto...
• DeliveryTime: In 15 days
• PackAge: 25kgs drums or cartons
• Port: Shanghai
• Purity: 98%
• Storage: Stored in low temperature,dry conditio...
• Transportation: by sea
• LimitNum: 0
• Grade: Industrial Grade

Superiority

Our Services

1. New Molecules R&D

2. Own test center HPLC NMR GC LC-MS

3. API and Intermediates from China reputed manufacturers

4. Documents support COA MOA MSDS DMF open part



Our advantages

1. Government awarded company. Top 100 enterprises in Hangzhou

2. Quality warrant. If any quality failure. we 100% return the payment or replacement

3.More than 14 years experiences in pharmaceutical and chemical international trading

4.Fast response on customers request and fast shipment

Details

Chemical name: Stilbene derivative
Specification:
Appearance: Slight yellow powder
Fluorescent Color: Similar to the standard sample
Whitening strength: 100±3( compared with standard sample)
Moisture: ≤6%
Ionic character anionic

Treating process:
exhausting whitening process:
??????CF-90: 0.05-0.3% (o.w.f.), bath ratio: 1:5-30, dyeing temperature: 40°C -100°C;
?????? Na2SO4:0-10g/l.,start temperature :30°C , heating rate:1-2°C /min, keep the
?????? temperature at 50-100℃ for 20-40min, then lower to 50-30°C --> wash-->
?????? dry( 100°C )?--> setting (120°C -150°C )×1-2 min( add proper amount
?????? leveling agent according to the leveling effect).
Application: Mainly be used as brightener of contton, linen, silk, polyamide fiber ,wool and paper.