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    Tel: +86-531-88989536

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Home > Products >  Optical Brightener SWN

Optical Brightener SWN CAS NO.91-44-1

  • FOB Price: USD: 11.00-11.00 /Metric Ton Get Latest Price
  • Min.Order: 1 Kilogram
  • Payment Terms: L/C,D/A,D/P,T/T,
  • Available Specifications:

    1(1-5)Metric Ton

  • Product Details

Keywords

  • Fluorescent Brightener 52
  • 7-Diethylamino-4-methylcoumarin
  • Fluorescent Brightener 140

Quick Details

  • ProName: Optical Brightener SWN
  • CasNo: 91-44-1
  • Molecular Formula: C14H17NO2
  • Appearance: white powder
  • Application: Fluorescent brightener/dye intermediat...
  • DeliveryTime: Immediately
  • PackAge: suitable for delivery
  • Port: Qingdao or Shanghai
  • ProductionCapacity: 500 Metric Ton/Year
  • Purity: 99%
  • Storage: closed and cool
  • Transportation: Aluminum foil bag for within 10kg Fi...
  • LimitNum: 1 Kilogram
  • Heavy metal: 10
  • Grade: Industrial Grade,Food Grade,Pharma Gra...
  • Grade: first

Superiority

Product Description

Product website:   #

 

 Product Name

 7-Diethylamino-4-methylcoumarin
 CAS No.  91-44-1
 Appearance  White powder
 Assay  ≥99%
 Capacity  200mt/year
 Min.packing  1gram
 Application

 Fluorescent brightener/dye intermediate
 Standard  Enterprise export
 Manufacturer  Jinan Finer Chemical Co., Ltd
 More information

Synonyms: Optical Whitener SWN
                   7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one
                   7-Diethylamino-4-methylcoumarin
                    4-Methyl-7-(diethylamino)coumarin
                    Fluorescent Brightener 52
                    Coumarin 1
                    Fluorescent Brightener 140
                    Leucophor WS
Molecular Formula: C14H17NO2
Molecular Weight: 231.29
CAS Registry Number: 91-44-1 (61968-71-6;12224-03-2)
EINECS number: 202-068-9
Density: 1.122
Melting point: 70-73 ºC
Flash point: 152 ºC
Water solubility: slightly soluble
Packaging & Shipping

Aluminum foil bag: within 10kg

 

Fiber drum: 10kg or more

 

Shipping: by air, by sea or by courier (VIP account of TNT, DHL, Fedex and EMS)

 

Details

Our Services

 

1. Certificate Of Analysis (COA)

 

2. Material Safety Data Sheet (MSDS)

 

3. Route of synthesis (ROS)

 

4. Method of Aanlysis (MOA)

 

5. Nuclear Magnetic Resonance (NMR)

 

6. Packing pictures and loading video before loading

 

7. Free Sample

 

9. Factory audit

 

10. Strong after-sale service

Advantages

1. Goverment support guarantees good company credibility and finance safe

 

2. Finerchem is confident at the quality of the products, and would like to supply free sample to our customers

 

3. Factory locates in national new material industrial park where guarantees safe and standard production enviroment.

 

4. More than 10 years chemcial production and exporting experience, and good relationship with Customs and ship agents, which guarantee fast and safe export.

 

5. Professional R&D technology team and equipment which keep products quality better and better.

 

6. Timely after-service resolves your worry for internation trade

Company Information

Factory pictures:

   Laboratory pictures:

 

 

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