maleic anhydride vs maleic acid anhydride

Both "maleic anhydride" and "maleic acid anhydride" are correct, but "maleic anhydride" is more commonly used in chemistry. The term refers to a compound used in various industrial processes.

Last updated: March 30, 2024 • 726 views

This phrase is correct and commonly used in chemistry.

"maleic anhydride"

This term refers to a compound used in various industrial processes. It is the anhydride of maleic acid.

Show examples from the web [+]

a second layer containing a maleic anhydride copolymer,
This VAT regime thus discourages the exports of maleic anhydride from the PRC.
Considering the above, the Chinese domestic market of maleic anhydride is considered to be distorted as a whole.
Following disclosure, the exporting producer claimed that the price comparison for maleic anhydride referred to in recitals from 41 to 44 was based on domestic prices and therefore not appropriate.
Alternated copolymer of ethylene and maleic anhydride (EMA)
Regarding this claim, it was considered that even if the suppliers were mainly privately owned they could still be subject to the price pressure exerted by the large overcapacity and the protected status of State owned enterprises producing maleic anhydride.
Secondly, it reiterated its argument to use export prices of maleic anhydride instead of domestic prices without coming with different arguments as already addressed in recitals 48 and 49.
Finally, the investigation showed that a number of maleic anhydride producers in the PRC were State owned and that there was significant overcapacity on the Chinese market.
Under Chinese law, companies exporting maleic anhydride from the PRC have to pay a 17 % VAT. However, only part of the related input VAT is reimbursed.
Methyl vinyl ether-maleic anhydride copolymer is an anhydrous copolymer of methyl vinyl ether and maleic anhydride.
Esters derived from bis(2-hydroxyethyl) ether with addition products of betapinene and/or dipentene and/or diterpene and maleic anhydride
The same party once more repeated its argumentation that the price of maleic anhydride in Taiwan is not appropriate for the determination of the constructed normal value and that the US export price to Mexico would constitute a better basis.
Regardless of the fact that different VAT refund systems are allowed under GATT/WTO rules, in this case it was found that the Chinese VAT regime indeed suppressed Chinese (net) export prices and discouraged exports of maleic anhydride from the PRC.
The price differences between Chinese and other third country domestic prices can be explained by the fact that the Chinese VAT regime does not allow for a full reimbursement of the input VAT in case of export of maleic anhydride.
In addition, it was found that the price quotations for maleic anhydride in the PRC are at the same level regardless of whether it is made from benzene or butane.
Copolymer of styrene with maleic anhydride, either partially esterified or completely chemically modified, of an average molecular weight (Mn) of not more than 4500, in flake or powder form
The current investigation established that the prices of the maleic anhydride paid by Bioking as well as overall prices in the PRC did not reflect market values as they were systematically lower than international prices.
To that end, the Commission used the price of the maleic anhydride as found in Taiwan for the purposes of the MET determination (see recital 42) as the starting point for its calculation of the costs of manufacturing.
Thirdly, it was again argued that the VAT impact as calculated by the Commission was overstated and that if this was differently calculated, the price difference between Chinese and Taiwanese domestic prices of maleic anhydride would be insignificant.
The price difference referred to in recital 41 above was the result of comparing the domestic prices of maleic anhydride paid by Bioking in the PRC during the investigation period with domestic prices in other markets.

Alternatives:

maleic acid anhydride
cis-butenedioic anhydride

This phrase is correct but less commonly used in comparison to "maleic anhydride".

"maleic acid anhydride"

This term also refers to the compound used in industrial processes, but it is less commonly used than "maleic anhydride".

Show examples from the web [+]

Salts, esters and other derivatives of maleic acid
Copolymers of butadiene and maleic acid, whether or not containing its ammonium salts
n-Dodecenlylsuccinic acid anhydride (CAS RN 19780-11-1) with:
Soya-bean oil, modified with maleic acid, for the manufacture of cosmetic products [1]
1. amlodipine - maleic acid adduct/ Michael type adduct; 2. amlodipine - lactose adduct/ Maillard product.
Sucrose acetate isobutyrate is a mixture of the reaction products formed by the esterification of food grade sucrose with acetic acid anhydride and isobutyric anhydride, followed by distillation.
1,5 % or more but not more than 2,5 % of maleic acid,
Calcium zinc salt of a copolymer of maleic acid and methyl vinyl ether
Carboxylic acid anhydride based hardener for epoxyde resin, in liquid form, of a specific weight at 25 oC of 1,15 g/cm3 or more but not exceeding 1,18 g/cm3
Octenyl succinic acid modified gum Arabic is produced by esterifying gum Arabic (Acacia seyal), or gum Arabic (Acacia senegal) in aqueous solution with not more than 3 % of octenyl succinic acid anhydride.
Mixed calcium and sodium salt of a copolymer of maleic acid and methyl vinyl ether, having a calcium content of 9 % or more but not more than 16 % by weight
Copolymer of maleic acid and methyl vinyl ether, monoesterified with ethyl and/or isopropyl and/or butyl groups, in the form of a solution in ethanol, ethanol and butanol, isopropanol or isopropanol and butanol

Alternatives:

maleic anhydride
cis-butenedioic anhydride

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maleic anhydride vs maleic acid anhydride