Product name:7-Diethylamino-4-methylcoumarin

CAS: 91-44-1

C.I.No.140

M.F: C14H17NO2

Appearance: White crystal powder

Melting point: 69-73°C

Purity: ≥99% 

7-Diethylamino-4-methylcoumarin is mainly used for brightening the wool, natural silk, nylon, acetate fiber and the cellulose triacetate. Also used for brightening the cotton and acrylic fiber. Can add the resin in the detergent for washing the fabrics, can improve the fabrics' external whiteness after washing within the range of Ph=3-11. Also can be used on the coating paper and used at the aspect of plastic and coating of chromaticity printing.

Xi'an Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials and intermediates. The company has complete experimental facilities. And advanced testing instruments ensure the stability of product quality from all aspects. The company has a complete sales service system, the products are exported to countries all over the world, and have won a good international reputation with excellent quality and excellent service.
The company has been adhering to the basic principles of "integrity, quality, service, and win-win" to serve customers, constantly strict requirements, set goals, and implement win-win development

Q1: Can i get some samples?

A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments?

A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, or Paypal or Escrow(Alibaba).

Q3: How to confirm the Product Quality before placing orders?

A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What's your MOQ?

A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery leadtime?

A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

Q6:Is there a discount?

A:Different quantity has different discount.

Q7: How do you treat quality complaint?

A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss

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