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二氢色原酮-2-甲酸
Chromone-2-carboxylic Acid
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3039223 | 5g | 1210 | 2-5天 | 4-6周 | |
| 3039223 | 25g | 4370 | 2-5天 | 4-6周 | |
| 3039223 | 100g | 15560 | 2-5天 | 4-6周 |
产品别名
4940-39-0
二氢色原酮-2-甲酸
Chromone-2-carboxylic Acid
Chromocarb
4-Oxo-4H-1-benzopyran-2-carboxylic Acid
基本信息
| 应用 | Chromone-2-carboxylic acid is used in the cyclic form 3?-oxopyrazolidino[4?,5??2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones and it is an orally active antiallergic agent. |
| 备注 | Keep container tightly closed. Store away from oxidizing agents. |
| MDL | MFCD00006838 |
| EINECS | 225-583-0 |
| 分子式 | C10H6O4 |
| 分子量 | 190.15 |
| 熔点 | ca 260° dec. |
| 灵敏度 | Ambient temperatures. |
| 形态 | Powder |
| 溶解性 | Soluble in alcohol, water, DMSO, hot methanol, and ethanol. |
| Beilstein | 146442 |
| Merck | 14,2237 |
| 危险类别 | 36/37/38 Irritating to eyes, respiratory system and skin. |
安全信息
| 安全等级 | 26-37 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| RTECS | DJ2476000 |
| TSCA | 否 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H315-H319-H335 Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. |
| Precautionary Statements | P261-P280a-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |
