High Purity 99.5% CAS 85-44-9 Flakes Phthalic Anhydride with Best Price PA
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Product Description
Phthalic anhydride, or phthalic anhydride, is a cyclic anhydride formed by the intermolecular dehydration of phthalic acid. Benzyl anhydride is a white solid, which is an important raw material in chemical industry, especially in the manufacture of plasticizer. Phthalate anhydride can be used instead of phthalic acid and mainly reacts with monoalcohols to form esters, such as dibutyl phthalate and dioctyl phthalate.
Product Parameters
| ITEM |
INDEX |
| Top grade |
First grade |
Qualified product |
| Appearance |
white scaly or crystalline powder |
|
white scaly or crystalline powder with slight colors |
| Molten Chroma(Chroma no. )≤ |
20 |
50 |
100 |
| thermostable Chroma(Chroma no. )≤ |
50 |
150 |
- |
| Chroma of vitriol(Chroma no. )≤ |
60 |
100 |
150 |
| crystallization point°C≥ |
130.5 |
130.3 |
130 |
| Purity(mass fraction)%≥ |
99.8 |
99.5 |
99 |
| Free acid(mass fraction)≤ % |
0.2 |
0.3 |
0.5 |
Application
Phthalic Anhydride is one of the most important organic chemical raw materials. Its main derivatives include Dibutyl Phthalae, Dioctyl Ester and Diisobutyl Phthalate, etc., used as plasticers for PVC, etc. It also can be used to produce unsaturated plyester resins, alkyd resins, dyes and pigments, various paints, food additives, phenolphthalein, a laxative in medicine, imidophos in pesticides, triazone, and sodium saccharin, etc.
Packaging & Shipping
25kg/Bag
Company Profile
Ever century chemical is a professional manufacturer and global distributor of chemical products in China found in 2005. Our factory is located in Zibo city, the most important chemical industry city of Northern China. We have two specialized warehouse located in Zibo and Qingdao City, covered an area of 2600 square meters, which could provide our customer one-stop chemical sourcing service : mixing, repacking, storing, and distributing etc .
Since the foundation, we have established long-term and firm business relationships with over 300 Chinese enterprises that are engaged in various fields, including paint manufacturing,paper making, chemical producing,rubber and plastic etc.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. Our customers spread in South America, Oceania, Africa, Europe, Middle-East and South East Asia. We are still opening and developing broader market.Depending on the advantages of self-produce, high quality products, competitive price,quick delivery and professional service, we win approval and trust of our clients all over the world.
Our Advantages
1.One-stop service station for your whole industry.
We can provide mixing, repacking, storing service for you .
You can buy all of them from us for only one time , we will update the orders processing of all to you on time. We are pleasure to be your warehouse and purchase office in China .
2.Provide the most favorable solutions.
There are many Chinese and other international suppliers of each item , you don't need to inquiry over all of them , just tell us your requirement, we will match the most suitable products for you based on our domestic international resources. We also have a lot of imported resources in our warehouse.
3.Qualified Quality is the first condition for business.
Our company has strict management system and quality control. We are ISO 90001:2000, ISO 141001:2000 and SGS certified. -----Be honest, be sincere ,be your best consultant and supplier. We do the best as what we can, we tell you the truth what we can't reach, and providing sincere advice for you.
Certifications
Is your company able to accept custom and meet customer specificspecification requirements?
A--Yes, we can .
What's your payment terms?
A--T/T, paypal, western union, money gram and bitcoin.
What's your delivery time?
A--Generally 1-3 days after receipt of your payment.
How about the packing?
A--Usually we provide the packing as 25kg bag/carton/drum. Of course, if you have specical requirements on them, we will according to you.
How about the validity of the products?
A--According to the products you ordered.
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