Optical Brightener Swn (C. I. 140) CAS 91-44-1

• CAS No.: 91-44-2
• Formula: C14h17no2
• EINECS: 216-245-3
• Appearance: Powder
• Usage: Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Leather Auxiliary Agents
• Color: White
• Model NO.: SWN
• Model No.: Swn
• Kind: Optical Brightener
• C.I. No.: 140
• Purity: 99.50%
• Reach: Available
• Products Name: Optical Brightener Swn
• Products Class: Optical Brightener Swn for Wool
• Transport Package: Bag, Drum
• Specification: 1kg/bag; 25kg/drum
• Trademark: LD Chemical
• Origin: Changsha, Hunan
• HS Code: 32042000
• Production Capacity: 60-80mt/Month

Product Description

Product Description

 

Product name: Optical Brightener Swn for Wool

This product is used for whitening wool, natural silk, nylon, acetate fiber and triacetate fiber. It can also be used for whitening cotton, cellulose fibers and acrylic fibers. The dosage is 0.05% to 2.0%. Adding it to synthetic laundry detergent for washing fabrics can improve the appearance whiteness of fabrics after washing.
Optical Brightener Swn Specification:

Product Cate	Optical Brightening Agent For Wool
Product Name	Optical Brightening Agent SWN
Chemical Name	2.2'-(4.4'-diphenol vinyl) dibenzoxazol
CAS No.	91-44-1
C.I. No.	140
Molecular Formula	C14H17NO2
Molecular Weight	414
Technical Index	Appearance: white crystal powder Shade: blue Purity: 98.5% Melting point: 68.5-72.0ºC Ash content: 0.15% max Solubility: soluble in acid water, ethanol, and other organic solvents
Uses	Whitening for wool, silk, nylon, acetic acid, and triacetate fibers. Whitening for cotton, cellulose, and acrylic fibers. The dosage ranged from 0.05% to 2.0%. Added to synthetic detergent powder used in washing fabrics.

 Optical Brightener  Swn Application: be widely used in wool, silk, nylon, acetic acid, and triacetate fibers.

Precaution:
     The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.

Optical Brightener Certificates:SGS,REACH,ROHS,FDA