- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: (Z)-4-Amino-4-oxobut-2-enoic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: (Z)-4-Amino-4-oxobut-2-enoic acid
- Price: ￥188.0/5g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Maleamic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
557-24-4
557-24-4 structure
- Name: (Z)-4-Amino-4-oxobut-2-enoic acid
- Chemical Name: maleamic acid
- CAS Number: 557-24-4
- Molecular Formula: C4H5NO3
- Molecular Weight: 115.08700
- Create Date: 2018-02-11 08:00:00
- Modify Date: 2024-01-06 19:00:56
| Name | maleamic acid |
|---|---|
| Synonyms |
Maleamic acid
Aminomaleic acid Maleinamidsaeure Maleamidic acid 3c-carbamoyl-acrylic acid EINECS 209-163-4 Maleic monoamide MELEAMICACID maleinamic acid AURORA KA-4159 maleic acid monoamide N-[p-(Acetylmercuric)phenyl]maleamate Maleamate MFCD00082354 maleamic |
| Density | 1.376g/cm3 |
|---|---|
| Boiling Point | 408.6ºC at 760mmHg |
| Melting Point | 158-161 °C(lit.) |
| Molecular Formula | C4H5NO3 |
| Molecular Weight | 115.08700 |
| Flash Point | 200.9ºC |
| Exact Mass | 115.02700 |
| PSA | 80.39000 |
| Index of Refraction | 1.528 |
| Stability | Stable, but light sensitive. Incompatible with strong oxidizing agents. |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2924199090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![2-[2-(2-aminophenyl)sulfanylethylsulfanyl]aniline structure](https://image.chemsrc.com/caspic/148/52411-33-3.png)
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |