ChemicalBook >> CAS DataBase List >>Maleamic acid
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
- Molecular Weight:
- 115.09
- MDL Number:
- MFCD00082354
- MOL File:
- 557-24-4.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 04:49:13
| Product description | Number | Pack Size | Price |
| Maleamic acid | 445495 | 25g | $97.7 |
| Maleic Acid Monoamide >98.0%(HPLC)(T) | M0003 | 25g | $50 |
| Maleic Acid Monoamide >98.0%(HPLC)(T) | M0003 | 500g | $388 |
| N-[p-(Acetylmercuric)phenyl]maleamate | 001452 | 250mg | $531 |
| (Z)-4-Amino-4-oxobut-2-enoic acid ≥98% | CS-0102552 | 25g | $60 |
| More product size | |||
| 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 |
| pka | 2.86±0.25(Predicted) |
| form | Solid |
| 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) |
| FDA UNII | MJS1DTX3X1 |
| NIST Chemistry Reference | Maleamic acid(557-24-4) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| 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 |
|||||||||
| NFPA 704 |
|
Maleamic acid price More Price(39)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 445495 | Maleamic acid | 557-24-4 | 25g | $97.7 | 2026-04-30 | Buy |
| TCI Chemical | M0003 | Maleic Acid Monoamide >98.0%(HPLC)(T) | 557-24-4 | 25g | $50 | 2026-04-30 | Buy |
| TCI Chemical | M0003 | Maleic Acid Monoamide >98.0%(HPLC)(T) | 557-24-4 | 500g | $388 | 2026-04-30 | Buy |
| Usbiological | 001452 | N-[p-(Acetylmercuric)phenyl]maleamate | 557-24-4 | 250mg | $531 | 2026-06-03 | Buy |
| ChemScene | CS-0102552 | (Z)-4-Amino-4-oxobut-2-enoic acid ≥98% | 557-24-4 | 25g | $60 | 2026-06-04 | Buy |
Maleamic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 126)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49979 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +17819995354 | marketing@targetmol.com | United States | 32466 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52704 | 58 |
| Shaanxi Didu New Materials Co. Ltd | +86-86-17392712779 +8617792793228 | 1090@dideu.com | China | 8660 | 58 |
| Coresyn Pharmatech Co., Ltd. | +86-571-86626709 +86-18157142896 | cbc@coresyn.com | China | 9984 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; | support@targetmol.com | United States | 39037 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49897 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 43333 | 58 |
View Lastest Price from Maleamic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-21 | (Z)-4-Amino-4-oxobut-2-enoic acid
557-24-4
|
$29.00 | 98.25% | 10g | TargetMol Chemicals Inc. |
-
- (Z)-4-Amino-4-oxobut-2-enoic acid
557-24-4
- $29.00
- 98.25%
- TargetMol Chemicals Inc.
TIMTEC-BB SBB007773
(2E)-4-Amino-4-oxo-2-butenoic acid
2-Butenoic acid, 4-amino-4-oxo-, (Z)-
Acrylic acid, 3-carbamoyl-, (Z)-
maleamic
Maleic monoamide
MALEAMIC ACID
AURORA KA-4159
Aminomaleic acid
Maleamidic acid
MALEIC ACID MONOAMIDE 98+%
MELEAMICACID
2-Butenoic acid, 4-amino-4-oxo-, (2Z)-
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-oxo-2-butenoic acid
MaleicAcidMonoamide>
(2Z)-3-carbamoylprop-2-enoic acid
MALEIC ACID MONOAMIDE
maleinamic acid
(Z)-4-aMino-4-oxobut-2-enoic acid
maleamicaci
Maleamate
557-24-4
H2NCOCHCHCO2H
AMINE
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