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Citraconic anhydride
Base Information
- Chemical Name: Citraconic anhydride
- CAS No.: 616-02-4
Factory supply Citraconic anhydride 616-02-4 with sufficient stock and high standard
- Molecular Formula: C5H4O3
- Molecular Weight: 112.085
- Appearance/Colour: clear colorless to very slightly yellow liquid
- Melting Point: 6-10 °C(lit.)
- Refractive Index: n20/D 1.471(lit.)
- Boiling Point: 211.467 °C at 760 mmHg
- Flash Point: 96.766 °C
- PSA： 43.37000
- Density: 1.334 g/cm3
- LogP: 0.01610
Citraconic anhydride(Cas 616-02-4) Usage
|
Flammability and Explosibility |
Nonflammable |
|
Purification Methods |
Possible contamination is from the acid formed by hydrolysis. If the IR has OH bands, then reflux with Ac2O for 30minutes, evaporate, then distil the residue in a vacuum, otherwise distil in a vacuum. Store in a dry atmosphere. [Vaughan & Andersen J Am Chem Soc 77 6702 1955, Vaughan & Andersen J Org Chem 21 680 1956, Beilstein 17 H 440, 17 I 234, 17 II 448, 17 III/IV 5912, 17/11 V 65.] |
InChI:InChI=1/C10H10O7/c1-5(3-7(11)12)9(15)17-10(16)6(2)4-8(13)14/h3-4H,1-2H3,(H,11,12)(H,13,14)/b5-3-,6-4-
616-02-4 Relevant articles
Addition of a silyl ketene acetal to α,β-unsaturated cyclic anhydrides
Gnaneshwar, Rudhramyna,Sivaram, Swaminathan
, p. 2353 - 2363 (2010)
Addition of [1-methoxy-2 methyl-1-propen...
FRAGRANCE MIXTURE
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Paragraph 0317-0321; 0335-0339, (2020/01/24)
A fragrance mixture and its applications...
Bis (citraconoyl imino) hydrocarbon, preparation method thereof and application thereof as anti-reversion agent
-
Paragraph 0025; 0028; 0031; 0034; 0037; 0040;, (2020/03/09)
The invention discloses a bis (citracono...
Synthesis of the Bicyclic Lactone Core of Leonuketal, Enabled by a Telescoped Diels–Alder Reaction Sequence
Grant, Phillip S.,Brimble, Margaret A.,Furkert, Daniel P.
, p. 1128 - 1135 (2018/09/06)
The Diels–Alder cycloaddition reaction h...
A 2 - methyl maleic anhydride synthesis method
-
Paragraph 0013; 0014; 0015; 0016; 0017; 0018; 0019; 0020, (2018/04/03)
The invention relates to a novel synthes...
616-02-4 Process route
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-
80818-24-2
(Z)-(2-methyl-4-(4-nitrophenylamino)-4-oxo)but-2-enoic acid
-
-
616-02-4
citraconic acid anhydride
-
-
80818-11-7
(Z)-(3-methyl-4-(4-nitrophenylamino)-4-oxo)but-2-enoic acid
-
-
100-01-6,104810-17-5
4-nitro-aniline
| Conditions | Yield |
|---|---|
|
In
tetrahydrofuran;
for 24h;
Reflux;
|
22%
9% |
-
-
849585-22-4,106989-11-1,26811-96-1,31587-11-8,26100-51-6
LACTIC ACID
-
-
616-02-4
citraconic acid anhydride
-
-
64-19-7,77671-22-8
acetic acid
-
-
127-17-3
2-oxo-propionic acid
-
-
4100-80-5
2-methylsuccinic anhydride
| Conditions | Yield |
|---|---|
|
With
MoO3(10wt%)/TiO2;
at 200 ℃;
for 4h;
under 760.051 Torr;
|
616-02-4 Upstream products
-
498-89-5
paraconic acid
-
14556-16-2
2,6-dioxo-3,6-dihydro-2H -pyran-4-carboxylic acid
-
7405-17-6
2-bromo-3-methyl-succinic acid
-
498-23-7
citraconic acid
616-02-4 Downstream products
-
617-54-9
citraconic acid dimethyl ester
-
6636-42-6
(+/-)-1-methyl-1,2,3,4-tetrahydro-phenanthrene-1r ,2c -dicarboxylic acid-anhydride
-
35513-28-1
4-(4-bromo-phenyl)-3-methyl-4-oxo-cis -crotonic acid
-
20681-36-1
4-(2-methoxy-5-methyl-phenyl)-2-methyl-4-oxo-trans -crotonic acid
Product recommendations
- 5-Methoxyindole-3-carboxaldehyde
- N-[2-Hydroxy-2-(4-methoxyphenyl)ethyl]-2-(2-chloro-3,4-dimethoxyphenyl)ethylamine
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- 2,3-dihydro-2-oxobenzoxazole-6-sulphonamide
- 2-Bromo-4-methylaniline
- 2-(2-iminothiazolidin-3-yl)-1-phenylethan-1-one monohydrochloride
- 3-Methoxydiphenylamine
- 4,4'-[1,4-phenylenebis[methylene(ethylimino)]]bis[alpha,alpha-bis[4-(dimethylamino)phenyl]benzyl] alcohol