Maleamic acid

Product Name: Maleamic acid
CAS No.: 557-24-4
Chemical Name: Maleamic acid
Synonyms: Maleamate;maleinamic acid;MALEIC ACID MONOAMIDE;(Z)-4-aMino-4-oxobut-2-enoic acid;C01596;maleamic;maleamicaci;MELEAMICACID;MALEAMIC ACID;AURORA KA-4159
CBNumber: CB3714409
Molecular Formula: C4H5NO3
Formula Weight: 115.09
MOL File: 557-24-4.mol

More

Less

Maleamic acid Property

Melting point:: 158-161 °C (lit.)
Boiling point:: 215.33°C (rough estimate)
Density: 1.4769 (rough estimate)
refractive index: 1.4170 (estimate)
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
form: Solid
pka: 2.86±0.25(Predicted)
color: White to off-white
Merck: 14,5701
Stability:: Stable, but light sensitive. Incompatible with strong oxidizing agents.
InChI: InChI=1S/C4H5NO3/c5-3(6)1-2-4(7)8/h1-2H,(H2,5,6)(H,7,8)/b2-1-
InChIKey: FSQQTNAZHBEJLS-UPHRSURJSA-N
SMILES: C(O)(=O)/C=C\C(N)=O
CAS DataBase Reference: 557-24-4(CAS DataBase Reference)
NIST Chemistry Reference: Maleamic acid(557-24-4)

More

Less

Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
HS Code: 2914.40.9000
Storage Class: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 445495
Product name: Maleamic acid
Packaging: 25g
Price: $87.11
Updated: 2025/07/31

TCI Chemical

Product number: M0003
Product name: Maleic Acid Monoamide
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $50
Updated: 2025/07/31

TCI Chemical

Product number: M0003
Product name: Maleic Acid Monoamide
Purity: >98.0%(HPLC)(T)
Packaging: 500g
Price: $388
Updated: 2025/07/31

TRC

Product number: A618588
Product name: (Z)-4-Amino-4-oxobut-2-enoicAcid
Packaging: 250mg
Price: $45
Updated: 2021/12/16

AK Scientific

Product number: H517
Product name: Meleamicacid
Packaging: 500g
Price: $501
Updated: 2021/12/16

More

Less

Maleamic acid Chemical Properties,Usage,Production

Chemical Properties

solid

Uses

Intermediate in the preparation of a new conjugated agent for radioiodination of proteins.

Definition

ChEBI: A dicarboxylic acid monoamide of maleamic acid.

Purification Methods

Crystallise it from EtOH. [Beilstein 2 H 752, 2 II 646, 2 III 1927, 2 IV 1927.] IRRITANT.

Maleamic acid Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

Maleamic acid Suppliers

Americas 1 Austria 1 Canada 1 China 88 Europe 1 Germany 2 India 2 Japan 1 Switzerland 2 United Kingdom 4 United States 24 Global 127

Sanover (Xiamen) Technology Co., Ltd

Tel: 13876246362
Fax: QQ : 422165847
Email: 18259433389@163.com
Country: China
ProdList: 493
Advantage: 58

Shanghai Boyle Chemical Co., Ltd.

Tel: 021-50182298 021-50180596
Fax: +86-21-57758967
Email: sales@boylechem.com
Country: China
ProdList: 2208
Advantage: 55

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44801
Advantage: 61

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42934
Advantage: 64

Chemsky（shanghai）International Co.,Ltd.

Tel: 021-50135380
Email: shchemsky@sina.com
Country: China
ProdList: 32321
Advantage: 50

Syntechem Co.,Ltd

Tel
Fax: E-Mail Inquiry
Email: info@syntechem.com
Country: China
ProdList: 12984
Advantage: 57

Tianjin heowns Biochemical Technology Co., Ltd.

Tel: 400 638 7771
Email: sales@heowns.com
Country: China
ProdList: 14435
Advantage: 57

557-24-4, Maleamic acidRelated Search:

Ethyl 2-(Chlorosulfonyl)acetate Hyaluronic acid Docosanamide Maleic acid Folic acid Maleimide Citric acid Maleic anhydride Ascoric Acid Diglycolamide laurate N-(2-METHOXYPHENYL)MALEAMIC ACID,N-(O-METHOXYPHENYL)MALEAMIC ACID 4-OXO-4-PHENYLAMINO-2-BUTENOIC ACID N-CARBAMOYLMALEAMIC ACID N-METHYLMALEAMIC ACID N-(M-CHLOROPHENYL)MALEAMIC ACID,N-(3-CHLOROPHENYL)MALEAMIC ACID N-(3,4-DICHLOROPHENYL)MALEAMIC ACID N-ETHYLMALEAMIC ACID N-N-PROPYLMALEAMIC ACID, 98

TIMTEC-BB SBB007773

(2E)-4-Amino-4-oxo-2-butenoic acid

2-Butenoic acid, 4-amino-4-oxo-, (Z)-

Acrylic acid, 3-carbamoyl-, (Z)-

Maleamate

maleamic

Maleic monoamide

MALEIC ACID MONOAMIDE

MALEAMIC ACID

AURORA KA-4159

Aminomaleic acid

Maleamidic acid

MALEIC ACID MONOAMIDE 98+%

MELEAMICACID

2-Butenoic acid, 4-amino-4-oxo-, (2Z)-

maleinamic acid

MAIITAKEMUSHROOMP.E

C01596

(Z)-(Acetato-O)[4-[(3-carboxy-1-oxo-2-propenyl)aMino]phenyl]Mercury

(Z)-4-Oxo-4-(phenylaMino)-2-butenoic Acid Mercury CoMplex

N-[p-(AcetylMercuric)phenyl]MaleaMate

4-AMino-4-oxobut-2-enoic acid

(Z)-4-aMino-4-oxobut-2-enoic acid

(Z)-4-Amino-4-oxo-2-butenoic acid

MaleicAcidMonoamide&gt

(2Z)-3-carbamoylprop-2-enoic acid

maleamicaci

557-24-4

H2NCOCHCHCO2H

AMINE

Amides

Building Blocks

Carbonyl Compounds

Organic Building Blocks

Aromatics

Heterocycles

Intermediates & Fine Chemicals

Labeling and Diagnostics Reagents

Pharmaceuticals

Building Blocks

Carbonyl Compounds

Chemical Synthesis

Organic Building Blocks

Amides

Carbonyl Compounds

Organic Building Blocks