3, 3′, 4, 4′-Benzophenonetetracarboxylic Dianhydride Btda C17h6o7 CAS 2421-28-5

• Customization: Available
• CAS No.: 2421-28-5
• Formula: C17h6o7
• Model NO.: zhishang-05
• EINECS: 219-348-1
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: Industrial
• Colour: White
• Certificate: ISO 9001
• Sample: Available
• Supply Type: OEM/ODM
• Delivery: 3-5day
• Transport Package: 100g; 1kg; 25g
• Specification: sample free 1kg
• Trademark: ZHISHANG
• Origin: China
• Production Capacity: 50000kg/Mouth

Product Description

Melting point	218-222 °C (lit.)
Boiling point	320°C 5mm
density	1,57 g/cm^3
vapor density	1.4 (vs air)
vapor pressure	<0.1 mm Hg ( 0 °C)
refractive index	1.6380 (estimate)
Fp	324 °C
storage temp.	Inert atmosphere,Room Temperature
solubility	DMF: 0.1 g/mL, clear
form	Needles or Crystalline Powder
color	Off-white to brown

Product description;Polymerized monomer is used to synthesize polymerized monomer of high temperature resistant polymer materials.

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

1. ≤50kg, Express delivery recommended, usually called as DDU service;
2. ≤500kg,Air shipping recommended, usually called as CIF service;
3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
4. For high value products, please select air shipping and express delivery for safety.

SHANDONG ZHISHANG CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful "Spring City"-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of "Integrity management,Quality controlling and Customer orientation".
We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.
FAQ

1. DO YOU ACCEPT SAMPLE ORDER?
   We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
   
    
   2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
   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.
   
   3.WHAT'S YOUR MOQ?
   Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
   
   4.DO YOU SUPPLY PRODUCT REPORT?
   Yes. We'll give you product analysis report before shipping.
   
   5.IS THERE A DISCOUNT?
   Different quantity has different discount.

Our Advantage

10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.

Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
 

24 hour service

Quick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.

High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.