Name | 5-methylisatin |
Synonyms | AURORA 1898 5-METHYLISATIN 5-methylisatin AKOS BBS-00000995 IFLAB-BB F0266-0774 5-METHYLINDOLE-2,3-DIONE 5-methylindole-2,3(1H)-dione 5-METHYL-1H-INDOLE-2,3-DIONE 5-methyl-1H-indole-2,3-dione |
CAS | 608-05-9 |
EINECS | 210-152-1 |
InChI | InChI=1/C9H7NO2/c1-5-2-3-7-6(4-5)8(11)9(12)10-7/h2-4H,1H3,(H,10,11,12) |
Molecular Formula | C9H7NO2 |
Molar Mass | 161.16 |
Density | 1.301±0.06 g/cm3(Predicted) |
Melting Point | 180 °C (dec.) (lit.) |
Solubility | methanol: soluble25mg/mL, clear to slightly hazy, orange to red |
Appearance | Crystallization |
Color | orange |
BRN | 123738 |
pKa | 10.42±0.20(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.598 |
MDL | MFCD00005721 |
Physical and Chemical Properties | Appearance: Purple crystal Melting Point: 184-188 ℃ |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 3 |
RTECS | NL7939300 |
HS Code | 29337900 |
Hazard Class | IRRITANT |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
Use | 5-methylisatin may be used as an organic intermediate; A dye intermediate; A biological stain, etc. |