| Customization: | Available |
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| CAS No.: | 90-93-7 |
| Formula: | C21h28n2o |
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| Product Description | |
| Common Name: | Photoinitiator EMK |
| Chemical Name: | 4,4'-Bis benzophenone |
| CAS No.: | 90-93-7 |
| Molecular Formula: | C21H28N2O |
| Molecular Weight: | 324.46 |
| MOQ: | 25 KG |
| Shelf Life: | 24 Months |
| Place of Origin: | China |
| Apperance: | Yellowish crystalline powder |
| Storage: | In airtight, dry, dark place. |
| Application: | Acrylate-based coatings, adhesives and inks. |
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ITEM
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STANDARD
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RESULT
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Appearance
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White to Pale yellow powder
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White to Pale yellow powder
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Purity
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99.0%min
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99.7%
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Melting Point
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89-92 ° C
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89-92 ° C
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Flash Point (ºC)
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151° C
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151° C
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Ash(%)
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0.1% max
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0.01%
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Absorption wavelength (nm)
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248, 374nm
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Packaging
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25kgs carton
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Lonwin Chemical Industry Group. is a company committing to contract synthesis and production of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.Our company has ISO and REACH international certification, in Jiangsu, Anhui and other places with decades of cooperation of OEM processing plants, to provide a more solid support for the customized production service of special chemicals.
Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East, and customers are highly satisfied with our products and service!
To achieve sustainable and steady development, we establish closely cooperative relationships with famous universities and institutions of China. We regularly exchange information with them and make cooperation on the R&D of new technologies.
Sticking to the business philosophy of "quality first, credit first, service first, creativity first", we are doing our best to meet demands of customers all around the world. We sincerely welcome your visit and business, and look forward to cooperating with you for expanding international market together!
Q1: Have your Product Quality been Approved by Third Party Lab
A: Yes, All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China. So you will be assured with Good Quality if you choose us.
Q2: How do you treat quality complaint
A: First of all, our QC department will do strict examination of our export products by HPLC, UV, GC,TLC and so on in order to 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.
Q3: How to cooperate with us
A: You can contact us for cooperation through the website contact information, or contact with the salesmen in our company. We will connect you about the specific detail via email.
Q4: Do you Accept Sample Order
A: Yes, we accept small order from 10g, 100g and 1kg for your evaluation quality of our goods.
Q5: Is there any discount
A: Yes, for larger quantity, we always support with better price.
Q6: How long does it take to the goods arrived
A: It is Depending on your location.
For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.
For mass order, please allow 5-8 days by Air, 20-35 days by Sea.
Q7: Do you have any reshipment policy
A: We have good after-sale service and re-shipment policy if the parcel lose.
Our long association with our clients has brought great benefits.
We always take the upmost care in the packaging of our products .
Our clients will confirm this as even they struggle to find them without help at times.
But in spite of our best efforts it is still possible will seize a small number of packages.
In this circumstance we promise reship free to establish long term relationship.
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