Which has a positive and progressive attitude to customer’s desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of China Wholesale China Mudanjiang Fengda H2c2o4 99.6 Industrial Grade Dihydrate Price Ethanedioic Oxalic Acid, Our business maintains safe and sound business blended by truth and honesty to help keep long-term interactions with our buyers.
Which has a positive and progressive attitude to customer’s desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of , Furthermore, all of our solutions are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our goods, make sure you don’t hesitate to contact us. We’ll do our best to meet your needs.

Frequently Asked Questions

Need help? Be sure to visit our support forums for answers to your questions!

Can we print our logo on the product ?

Of course, we can do it. Just send us your logo design.

Do you accept small orders?

Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you. And we are looking forward to co-work with you for a long term relationship.

How about the price? Can you make it cheaper?

We always take the customer’s benefit as the top priority. Price is negotiable under different conditions, we are assuring you to get the most competitive price.

Do you offer free samples?

It’s appreciated that you could write us positive reviews if you like our products and service, we will offer you some free samples on your next order.

Are you able to deliver on time?

Of course!we specialised in this line for many years,many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!

Can I visit your company and factory in China?

Sure. You are very welcomed to visit our company in Zibo, China. （1.5H drive way from Jinan）

How Can I place an order?

You could just send us inquiry to any of our sales representatives to get detailed order information, and we will explain the detail process.Oxalic acid Carbon Monoxide Coupling Method
Oxalic acid Liquid-phase Coupling Method
This method initially used PdCl₂–CuCl₂–CuCl as a catalyst to carry out a liquid-phase catalytic coupling reaction of carbon monoxide, oxygen, and ethanol at 12 MPa and 115 °C to generate diethyl oxalate. adopted Pd/C as a catalyst to carry out a coupling reaction of ethanol (or butanol) with carbon monoxide and oxygen in the presence of alkyl nitrite to generate diethyl oxalate (or dibutyl oxalate). The corresponding reaction equations are:
4CO+4C 2H 5 OH+O 2=2(COOC 2H 5 ) 2+2H 2O
4CO+4C 4H 9 OH+O 2=2(COOC 4 H 9) 2+2H 2O