Product Description
High Quality Fine Chemical 7-Diethylamino-4-methylcoumarin CAS 91-44-1
Fluorescent brightener SWN is soluble in ethanol, glycol, acidic liquor, resin and varnish. It functions by emitting red light and present purple tincture.
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.
| 7-Diethylamino-4-methylcoumarin Basic information |
| Product Name: |
7-Diethylamino-4-methylcoumarin |
| CAS: |
91-44-1 |
| MF: |
C14H17NO2 |
| MW: |
231.29 |
| EINECS: |
202-068-9 |
| 7-Diethylamino-4-methylcoumarin Usage And Synthesis |
| Chemical Properties |
light tan powder |
| Uses |
Optical bleach in textile industry, in coatings for paper, labels, book covers, etc.; to lighten plastics, resins, varnishes, and lacquers; invisible marking agent. |
| Uses |
7-(Diethylamino)-4-methylcoumarin, is potentially useful as a laser dye. |
Appearance and properties: white powder
Density: 1.122
Boiling point: 240 °C / 6.5mmHg
Melting point: 72-75 °C
Flash point: 152°C
Water solubility: slightly soluble
Stability: Stable. Incompatible with strong oxidizing agents.
Storage condition: Keep tightly closed. Store in a cool dry place.
Application
Optical Brightener SWN , mainly be used as brightener of H-PVC,S-PVC,wool, natural silk, polyamide fiber and acrylic fiber. Also can be used for detergent. This product is a common laser dyestuff.
This fluorescence brightener SWN 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.
Usage
1. It is suitable for whitening and brightening of wool, silk, nylon and other fibers and fur, and is especially suitable for brightening and brightening of plastics.
2. It is used for brightening of cotton, wool, natural silk, nylon, acrylic, acetate fiber.
3. A common laser dye.
Detailed Photos
Packaging & Shipping
Packing
1kg/aluminium foil bag, with two plastic bags inside.
25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery
≤50kg, Express delivery recommended, usually called as DDU service;
≤500kg,Air shipping recommended, usually called as CIF service;
>500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
For high value products, please select air shipping and express delivery for safety.
Company Profile
Yanxi (shandong) New Material Co.,LTD is a professional research and development of the production of lead diacetate trihydrate, 2-
phenylethylamide enterprises. The key members of the company are established by local well-known entrepreneurs and professional engineers
under the call and support of the party's "low-carbon environmental protection, safety and stability". under the innovation in traditional
production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of
reducing the cost of products to make the quality of products to the same industry. With the efforts of all the staff of the company, we have
established many cooperative companies in Shan Dong, He Nan, Guang Dong and other places in recent decades.
Our Advantages
*SGS Audited Supplier
*24 Hours Responce.
*Strong R&D Team and Technical Service.
*One-Stop/Package Service.
*More than 15 years in the chemical raw material field.
*Professional Marketing Team.
*Flexible Payment Terms and Flexible MOQ.
*Strict release procedures .
*On time delivery.
FAQ
Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.
Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample
Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.
Q4: Do you accept third party inspection?
A4: Yes.we do.
Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.
Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.
Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.
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