succinic anhydride


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succinic anhydride

[sək′sin·ik an′hī‚drīd]
(organic chemistry)
C4H4O3 Colorless or pale needles soluble in alcohol and chloroform; converts to succinic acid in water; melts at 120°C; used as a chemical and pharmaceutical intermediate and a resin hardener.
References in periodicals archive ?
35 mmol) in dried pyridine (10 ml) was added succinic anhydride (160 mg, 1.
In world practice, maximum application for obtaining EES matrixes has found the sorbitan monooleate (SMO) and products, obtained on the basis of polyisobutylene succinic anhydride (PIBSA) [2].
Chitosan, 85% deacetylated with a molecular weight of approximately 2, 70,000 Da (Central Institute of Fisheries Technology, Cochin, India), succinic anhydride, Trinitro benzene sulphonic acid, (Sigma-Aldrich Chemicals Co, USA), Human Insulin (400 IU/ml) kindly provided by USV Ltd.
However, polypropylene with 5- to 45-wt% maleic anhydride can be prepared by first reacting terminally unsaturated polypropylene chains with maleic anhydride to give the polypropylene chain a single unsaturation and a terminal succinic anhydride group.
Adding [eta]-octenyl succinic anhydride (nOSA) in the modification process of C*EmTex enables it to interact with both water and oil and C*EmTex retains its stability for over six months.
This reagent was selected for three main reasons: (a) The succinic anhydride is sufficiently small (molecular mass 100.
Succinic anhydride (SAA) for applications where a dibasic acid anhydride is desired.
Baloch, Synthesis and Structural Characterization of Novel Monoesters of Succinic Anhydride with Aryl Alcohols, , 2, 12 (2012).
The use of succinic anhydride and succinic acid produced samples with [M.
APPLICATION: With a long useful life in the emulsion form, ethyl oleate succinic anhydride could become one of the preferred sizing chemicals in papermaking.
DDSA (dodecenyl succinic anhydride) is offered for producing tougher, more flexible cured polymers; Succinic anhydride (SAA) is recommended for applications where a dibasic acid anhydride is desired; and HHPA (hexahydrophthalic anhydride) hardener is also recommended for curing epoxies.
The functionalized block copolymers used contain succinic anhydride grafted onto a block copolymer precursor: FSBC = Shell Kraton G 1901X Rubber; and NMBC = Shell Kraton RP 6530.