FLUORESCENT BRIGHTENER 31#

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Purity: 98%

Keywords

FLUORESCENT BRIGHTENER 31# Optical Brightener 31

Quick Details

Appearance:light yellow powder
Application:Whitening agent for detergent industry, soap, and polyvinyl alcoholic fiber and polyamide fiber.
PackAge:25kgs drums or cartons
ProductionCapacity:
Storage:Stored in low temperature,dry condition,avoid light
Transportation:by sea

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:

FORNULA: C36H32N12Na2O8S2 Cl2
MOLECULAR WEIGHT:907.34(As International relative Atom Moss 1991)
MAX UV ABSORPTION SPECTRUM:348um
PARAMETERS:
APPEARANCE:Fine light yellow powder
FLUORESCENT INTENSITY(EQUIVALENT TO STANDARD SAMPLE): 100±3
WHITENESS(WCIE)(EQUIVALENT TO STANDARD SAMPLE): ≧-0.3
TINT:similar to standard sample
MOISTURE:≦ 5%
RESIDUE IN WATER: ≦0.5%
FINENESS(REMIANS THROUGH 180MM MESH): ≦6%
PROPERTY:The difference between Optical brightener 31# and VBL is there is one replace base changed into mchloroaniline and show anion character,the PH resist value is 7-12.it can resist 300ppm hard water,resist 0.25%ionic detergent,it has better whits effect than VBL on the debergent itself and the cloth it washed, it can be used in the same bath with anionic and nonionic dyestuff,surfactan and oxydol,unsuitable to be used with cationic surfactant.
APPLICATION:
　　1.Whitening agent for detergent industry and soap vivdece.
　　2.Whitening agent for cottonfabric and gluing products and vivdece for light color or printing products.the affinity with cellulose fiber is not so good as VBL.
　　3.Whitening agent for polyvinyl alcoholic fiber and polyamide fiber.

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