| CAS No.: | 108-31-6 |
|---|---|
| Formula: | C4H2O3 |
| EINECS: | 203-571-6 |
|
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C4H10 + 3.5 O2 → C4H2O3 + 4 H2O H = −1236 kJ/mol
The main competing process entails full combustion of the butane, a conversion that is twice as exothermic as the partial oxidation.
The traditional method using benzene became uneconomical due to the high and still rising benzene prices and by complying with the regulations of benzene emissions.
|
Item |
Specifications |
Results |
|
Appearance |
White, light yellow lump or lamellae |
White flaky crystal |
|
Assay (%) |
≥99.5 |
99.7 |
|
Chromaticity(Pt-Co) |
≤25 |
21 |
|
Crystallization point ºC |
≥52 |
52.4 |
|
Residue on ignition % |
≤0.005 |
0.002 |
|
Content of Fe (mg/g) |
≤3 |
--- |
|
Conclusion |
The results conforms with Specification GB/T 3676-2008 |
|
We have various of packages for different products and we are always pleased to satisfy customers'
request.
Packaging:
25kg*1000bags,25ton/FCL;
Shipping:
Promote shipping usually 7--14 days after receiving TT deposit or Original LC.
Shandong Near Chemical Co.,Ltd is located in the beautiful Yellow River Delta, the mouth of the Yellow River into the sea-Dongying City. With a registered capital of 30 million yuan, it was founded in 2011 and has grown rapidly with total assets 180 million yuan and 100 employees. Near Chemical is a comprehensive service company focusing on import & export of chemicals and domestic trade. We are integrating rich chemical resources along with individual customized services for all global clients.
1 Q: How can you guarantee your quality?
A: Our factory owns mature production line under EPR quality system. We can guarantee the stab ility and qualification of the raw materials . And we also have SOP loading system to ensure the safety and timely transportation.
2 Q: Can I get some samples?
A: Yes, we welcome sample order for you to test and check our quality. Send me your requirement s of the product you need. We can provide sample free of charge , and the express cost is on you .
3 Q: How to confirm the Product Quality before placing orders?
A : You can get free samples from us or taking our previous SGS Report s as reference or arrange SGS before loading.
4 Q: What is your MOQ?
A: Our MOQ is 20'FCL for each product.
5 Q: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like Iron drums, plastic drums, IBC tank s, Flexitank, ISO TANK and bags etc.
6 Q :Which kind of payment terms do you accept?
A:We prefer TT, LC payment terms. Other payment terms are flexible to be further discussed.
7 Q:Can you give me a discount price?
A: Yes. It depends on your order qty.
8 Q: How about your delivery? How long is your delivery time?
A: Prompt and reliable delivery by professional shipping lines . Generally it takes 14 days after deposit or original LC.
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