Citraconic anhydride

Product Name: Citraconic anhydride
CAS No.: 616-02-4
Chemical Name: Citraconic anhydride
Synonyms: CTA;2,5-Furandione, 3-Methyl-;3-Methylmaleic anhydride;3-methyl-furan-2,5-dione;alpha-methylmaleicanhydride;CITRACONIC ANHYDRIDE;methyl-maleicanhydrid;3-methyl-5-furandione;Indobufen Impurity 53;METHYLMALEIC ANHYDRIDE
CBNumber: CB9761753
Molecular Formula: C5H4O3
Formula Weight: 112.08
MOL File: 616-02-4.mol

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Citraconic anhydride Property

Melting point:: 6-10 °C (lit.)
Boiling point:: 213-214 °C (lit.)
Density: 1.247 g/mL at 25 °C (lit.)
vapor density: 4 (vs air)
refractive index: n20/D 1.471(lit.)
Flash point:: 215 °F
storage temp.: Inert atmosphere,2-8°C
solubility: Chloroform (Slightly), Methanol (Slightly)
form: Liquid
color: Clear colorless to very slightly yellow
Water Solubility: decomposes
Sensitive: Moisture Sensitive
BRN: 1835
Dielectric constant: 40.3（20℃）
LogP: -0.232 (est)
CAS DataBase Reference: 616-02-4(CAS DataBase Reference)
NIST Chemistry Reference: 2,5-Furandione, 3-methyl-(616-02-4)
EPA Substance Registry System: 2,5-Furandione, 3-methyl- (616-02-4)

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Safety

Hazard Codes: T
Risk Statements: 23/24/25-36/37/38-42/43-34-24
Safety Statements: 26-36/37/39-45-28A-23-36/37
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
RTECS: GE6825000
F: 10-21
TSCA: Yes
HazardClass: 6.1
PackingGroup: III
HS Code: 29171990
Hazardous Substances Data: 616-02-4(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 125318
Product name: Citraconic anhydride
Purity: 98%
Packaging: 25g
Price: $44.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: 125318
Product name: Citraconic anhydride
Purity: 98%
Packaging: 100g
Price: $111
Updated: 2024/03/01

TCI Chemical

Product number: M0365
Product name: Citraconic Anhydride
Purity: >98.0%(GC)
Packaging: 25g
Price: $24
Updated: 2024/03/01

TCI Chemical

Product number: M0365
Product name: Citraconic Anhydride
Purity: >98.0%(GC)
Packaging: 100g
Price: $60
Updated: 2024/03/01

Alfa Aesar

Product number: L05238
Product name: Citraconic anhydride, 98%
Packaging: 25g
Price: $36.1
Updated: 2024/03/01

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Citraconic anhydride Chemical Properties,Usage,Production

Chemical Properties

clear colorless to very slightly yellow liquid

Uses

Reagent for alkalies, alcohols, and amines.

Uses

Citraconic anhydride is used as a monomer for specialty unsaturated polyester resins. It is used to prepare bicyclic pyrrolidines, maleimides and co- and terpolymers. It is also used for the protection of N-terminal amino acids. Further, it is involved in the preparation of clothing ping acid and its amide. In addition to this, it is selectively used for the isolation of histidyl peptides.

Uses

Versatile reagent used for the synthesis of maleimides, bicyclic pyrrolidines, and co- and terpolymers, as well as for the protection of N-terminal amino acids.

Flammability and Explosibility

Non flammable

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.]

Citraconic anhydride Preparation Products And Raw materials

Raw materials

Preparation Products

DIMETHYL METHYLSUCCINATE Citraconic acid

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Citraconic anhydride Suppliers

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View Lastest Price from Citraconic anhydride manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Citraconic anhydride 616-02-4
Price: US $0.00/KG
Min. Order: 25KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-01-29

Hebei Weibang Biotechnology Co., Ltd

Product: Citraconic anhydride 616-02-4
Price: US $1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-15

Hebei Weibang Biotechnology Co., Ltd

Product: Citraconic anhydride 616-02-4
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-04

616-02-4, Citraconic anhydrideRelated Search:

Chitosan Isatoic Anhydride 2,3-Dimethylmaleic anhydride ISOVALERIC ANHYDRIDE Trimellitic Anhydride POLY(MALEIC ANHYDRIDE) Phthalic anhydride Succinic anhydride CIS-BUTENEDIOIC ANHYDRIDE Erythromycin Estolate Propionic anhydride Chromium(VI) oxide Polymaleic acid Trifluoromethanesulfonic anhydride Tartrazine Citric acid monohydrate AMMONIUM BISMUTH CITRATE Citral

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citraconicacidanhydride

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methyl-maleicacidanhydride

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monomethylmaleicanhydride

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3-methyl-2,5-pentanedione

lpha-methylmaleic anhydride

cis-Methylbutenedioic anhydride

2-METHYLMALEIC ANHYDRIDE

CITRACONIC ANHYDRIDE

CTA

METHYLMALEIC ANHYDRIDE

3-Methylfuran-2,5-dione, 2-Methylmaleic anhydride

Citraconic anhydride, 98% 100GR

Citraconic anhydride, 98% 250GR

Citraconic anhydride 98%

Citraconic Anhydride, 98.0%(GC)

2,5-Furanedione, 3-methyl

3-Methyl-2,5-furandione

3-methyl-5-furandione

3-methyl-furan-2,5-dione

3-Methylmaleic anhydride

3-methylmaleicanhydride

alpha-Methylmaleic anhydride

2,5-Furandione, 3-Methyl-

CitraconicAnhydride&gt

Citraconic anhydride (6CI, 8CI)

Indobufen Impurity 53

616-02-4

516-02-4

C5H4O3OCO

Carbonyl Compounds

Carboxylic Acid Anhydrides

BioChemical

Building Blocks

Specific Amino Acid Modification

Reagents for lysine modification

Proteomics

Proteomics and Protein Expression

Protein Modification

Organic Building Blocks

Anhydride Monomers

Monomers

Polymer Science

Carbonyl Compounds

Carboxylic Acid Anhydrides

Organic Building Blocks

Rubber & Plastic Auxiliary Agent