5-甲氧基-吲哚-2,3-二酮
5-Methoxyisatin
CAS: 39755-95-8
Molecular Formula: C9H7NO3
5-甲氧基-吲哚-2,3-二酮 - Names and Identifiers
| Name | 5-Methoxyisatin |
| Synonyms | NSC 88052 BRN 0139520 AKOS AU36-M122 5-METHOXYISATIN 5-Methoxyisatin 5-methoxy-indole-3-dione 5-METHOXYINDOLE-2,3-DIONE 5-Methoxy-indole-2,3-dione 5-methoxy-1h-indole-3-dione 5-METHOXY-2,3-INDOLINEDIONE Indole-2,3-dione, 5-methoxy- 5-methoxy-1h-indole-2,3-dione 5-Methoxy-1H-indole-2,3-dione 1H-Indole-2,3-dione, 5-methoxy- (9CI) 5-21-13-00116 (Beilstein Handbook Reference) |
| CAS | 39755-95-8 |
| EINECS | 670-372-2 |
| InChI | InChI=1/C9H7NO3/c1-13-5-2-3-7-6(4-5)8(11)9(12)10-7/h2-4H,1H3,(H,10,11,12) |
5-甲氧基-吲哚-2,3-二酮 - Physico-chemical Properties
| Molecular Formula | C9H7NO3 |
| Molar Mass | 177.16 |
| Density | 1.346±0.06 g/cm3(Predicted) |
| Melting Point | 201-203°C |
| Water Solubility | Soluble in cold water. |
| Appearance | powder to crystal |
| Color | Orange to Amber to Dark red |
| pKa | 9.73±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.585 |
| MDL | MFCD00169023 |
5-甲氧基-吲哚-2,3-二酮 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| RTECS | NL7938000 |
| HS Code | 29339900 |
| Hazard Class | IRRITANT |
5-甲氧基-吲哚-2,3-二酮 - Reference Information
| use | 5-methoxyisatin is an organic pigment and can be used as a biological stain. |
| synthesis method | using water as solvent, at 90 ℃, 5-methoxyaniline reacts with chloral hydrate and hydroxylamine hydrochloride for 3.5 h to obtain p-methoxyisonitroacetanilide with a yield of 95%. At 92 ℃, concentrated H2SO4(75%) was cyclized, and 5-methoxyisatin was obtained after hydrolysis with a yield of 88%. Using this method to synthesize 5-methoxy isatin, the reaction is simple and efficient. |
Last Update：2024-04-10 22:29:15
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View History
5-甲氧基-吲哚-2,3-二酮
5-[(4-bromo-3-nitro-1-pyrazolyl)methyl]-2-furancarbohydrazide
Darifenacin hydrobro
磷酸三乙胺
3-(4-AMINO-5-CYCLOPROPYLPYRIMIDIN-2-YL)-1-(2-FLUOROBENZYL)-1H-PYRAZOLO[3
8-((1H-咪唑-4-基)亚甲基)-6,8-二氢-7H-噻唑并[5,4-E]吲哚-7-酮
DIETHYL ETHER-D10
1-氟环戊基-1-甲醇
2-Iodo-6-methyl-benzoic acid methyl ester
Propylene glycol monooleate
5-[(4-bromo-3-nitro-1-pyrazolyl)methyl]-2-furancarbohydrazide
Darifenacin hydrobro
磷酸三乙胺
3-(4-AMINO-5-CYCLOPROPYLPYRIMIDIN-2-YL)-1-(2-FLUOROBENZYL)-1H-PYRAZOLO[3
8-((1H-咪唑-4-基)亚甲基)-6,8-二氢-7H-噻唑并[5,4-E]吲哚-7-酮
DIETHYL ETHER-D10
1-氟环戊基-1-甲醇
2-Iodo-6-methyl-benzoic acid methyl ester
Propylene glycol monooleate