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Min. Order : 1 Metric Ton

C4H2O3 CAS 108-31-6 99.5% maleic anhydride

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Port: Qingdao, Shanghai, Tianjin, China
Payment Terms: L/C,Western Union,D/P,D/A,T/T,MoneyGram,Alibaba Trade Assurance
Supply Ability: 17000 Metric Ton/Metric Tons per Month 99.5% maleic anhydride
Other Names: 99.5% maleic anhydride
Usage: Coating Auxiliary Agents,Paper Chemicals,Textile Auxiliary Agents,99.5% maleic anhydride
Place of Origin: Shandong China
Keyword: 99.5% maleic anhydride
Boiling point: 202℃
Product Name: C4H2O3 CAS 108-31-6 99.5% maleic anhydride
Purity: 99.5%
Model Number: 99.5% maleic anhydride
Density: 1.480g/cm3
Molecular weight: 98.06
CAS No.: 108-31-6
Brand Name: AIHENG
Type: 99.5% maleic anhydride
EINECS No.: 203-571-6
Whats App/Wechat: +8615853396751
Apperance: white briquettes
Classification: Chemical Auxiliary Agent
MF: C4H2O3
Package: 25kg/bag
Melting point: 52.8℃
Packaging Detail: 99.5% maleic anhydride Net weight 25 kg , in pp woven bag (lined with PE film) packaging or composite paper bag can be palletized & stretch wrapped
Zibo Aiheng New Material Co.,ltd.
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US$ 4,200,000+
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C4H2O3 CAS 108-31-6 99.5% maleic anhydride

Product Information

used mainly for synthesizing unsaturated polyester resins, coatings, pharmaceutics, pesticides, lubricating oil additives, foodstuff additives etc.

At room temperature, it is a white flaky crystal with irritant odour and sour, inflammable and sublimating. It can be freely dissolved in water to form maleic acid. It has a specific density of 1.480, a melting point of 52.85 °C, and a boiling point of 202°C.


Product Name

C4H2O3 CAS 108-31-6 99.5% maleic anhydride

Other Name







white briquettes /flake

Chemical formula



2215 8/PG 3




Net weight 25 kg , in pp woven bag (lined with PE film) packaging or composite paper bag can be palletized & stretch wrapped


Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat. Keep the container sealed. It should be stored separately from oxidants, reducing agents, acids, and food chemicals. Avoid mixing. Equipped with the appropriate variety and quantity of fire equipment. The storage area should be equipped with suitable materials to contain spills.


UPC resin, Coating Auxiliary Agents, Paper Chemicals, Plastic Auxiliary Agent


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Package: 25kg/bag, Out side plastic bag or kraft paper bag with inner bag.

Delivery time: 5-15 days after receiving payment.

Product Show

Our Strong products are Formic Acid, Sodium Formate, Calcium Formate, Melamine, Oxalic Acid, Maleic Anhydride, etc, with high&stable quality and competitve price.

main product.jpgmaleic anhydride copolymer from plant

Company Information

companyAIHENG Industry, which is a ISO9001:2008 company, was set up in 2000. With rapid development of our company, now our annual production capability reaches 30000 tons of chemical goods and 50000 tons of water purity goods. Our goods are widely exported to North America, South America, Asia, Europe and Africa.


AIHENG  continuously tries to enlarge production scale, expands our product lines, improves our product quality and perfects after-sales service to enhance our reputation. We get praise and favor from both domestic and abroad customers.


Our main products include formic acid, oxalic acid, sodium formate, calcium formate, melamine powder, PVC, calcium cloride, caustic soda flakes and peals, methylene hydroxide, potassium formate, adipic acid, sodium sulfide, maleic anhydride, etc.


Welcome your inquiries! 

 competitive Price 99.5% maleic anhydride

Our Services

C4H2O3 CAS 108-31-6 99.5% maleic anhydride

1. Purity, Package, Mark, thiry party test (SGS,BV,Intertek,CIQ)
2. Sample order are acceptable
3. reply you for your inquiry asap within 12 hours

4. Cargoes photo before and after loading into container will be sent to you by email

5. Guaranteed delivery time

6. Full experience in this field

7. Good cooperation with cargo agents and shipping companies

8. professional sales and engineers will solve the problem you concern


maleic anhydride/cis-Butenedioic anhydrides  production properties


Q1. Are you a factory or trading company?  

A: Yes,we are factory, but not only factory, we also have sales team, own designers, own showroom, can help buyers to decide which products are their suitable choice, and all your inquiry will be replyed within 24 hours.

Q2. Could you send me all your catalogues and price list?
A: As we have more than thousands of items, even 1 item have different size and package, it is really hard to send you all our catalogue and price list for you. Please inform me the items, size and packages you are interested in, so we can offer you the price list you need for your reference .

Q3. Can I get some samples for testing? 
A: we are honored to provide samples, the shipping cost should be paid by customers at first. And it will be returned to you in our first time cooperation. 

Q4. How does your factory do regarding quality control? 
A: Our factory has passed ISO9001 2008, REACH, FAMIQS Certificate.

Q5. What's your Delivery Time?
A: In generally, the delivery time is 5 days-15 days after receiving payment. For large quantity it will be checked  with production dept. We will make the delivery as soon as possible with the guaranted quality.

Q6. What is payment terms?
A: L/C, T/T, Western Union, and Alibaba Trade Assurance are all accepted, and if you have better idea, please feel free to share with us.

Q7. Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA, Origin Certificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others as your request.

C4H2O3 CAS 108-31-6 99.5% maleic anhydride


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C4H2O3 CAS 108-31-6 99.5% maleic anhydride