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Jinan Finer Chemical Co., Ltd7-Diethylamino-4-methylcoumarin//www.lookchem.com/300w//2010/0713/91-44-1.jpg
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7-Diethylamino-4-methylcoumarin CAS NO.91-44-1

FOB Price:
USD 11.00-11.00 /Kilogram Get Latest Price
Min.Order Quantity:
1 Kilogram
Qingdao or Shanghai
Payment Terms:
L/C,D/A,D/P,T/T,Western Union,MoneyGram

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Product Details


  • Optical Whitener SWN
  • 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one
  • 4-Methyl-7-(diethylamino)coumarin

Quick Details

  • ProName: 7-Diethylamino-4-methylcoumarin
  • 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


Product Description

Product website: //www.finerchem.com/pro01en/id/2923.html

Product Name


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

Fluorescent brightener/dye intermediate

Standard Enterprise export
Manufacturer Jinan Finer Chemical Co., Ltd
More information

Synonyms: Optical Whitener SWN
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)


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


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

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