FISHER 碱
1,3,3-trimethyl-2-methyleneindoline
CAS: 118-12-7
Molecular Formula: C12H15N
FISHER 碱 - Names and Identifiers
| Name | 1,3,3-trimethyl-2-methyleneindoline |
| Synonyms | Fischer Base FISCHER BASE FISCHERS BASE FISCHER'S BASE 1,3,3-TRIMETHYL-2-METHYLENEINDOINE 1,3,3-TRIMETHYL-2-METHYLENEINDOLINE 2-METHYLENE-1,3,3-TRIMETHYLINDOLINE 2-Methylene-1,3,3-trimethylindoline 1,3,3-trimethyl-2-methyleneindoline 1,3,3'-TRIMETHYL-2-METHYLENEINDOLINE 1,3,3-TRIMETHYL-2-METHYLENE INDOLENINE 1,3,3-trimethyl-2-methylidene-2,3-dihydro-1H-indole |
| CAS | 118-12-7 |
| EINECS | 204-235-1 |
| InChI | InChI=1/C12H15N/c1-9-12(2,3)10-7-5-6-8-11(10)13(9)4/h5-8H,1H2,2-4H3 |
FISHER 碱 - Physico-chemical Properties
| Molecular Formula | C12H15N |
| Molar Mass | 173.25 |
| Density | 0.979 g/mL at 25 °C (lit.) |
| Melting Point | -8 °C |
| Boling Point | 248 °C (lit.) |
| Flash Point | 215°F |
| Water Solubility | negligible |
| Solubility | negligible |
| Vapor Presure | 0.0249mmHg at 25°C |
| Appearance | liquid |
| Specific Gravity | 0.98 |
| Color | red |
| BRN | 131162 |
| pKa | 2.19±0.40(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | n20/D 1.577(lit.) |
| MDL | MFCD00005813 |
| Physical and Chemical Properties | Trait dye intermediates. boiling point 248 ℃ relative density 0.979g/cm3 refractive index 1.5780 |
| Use | Used as a cationic dye intermediate |
FISHER 碱 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R38 - Irritating to the skin R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S57 - Use appropriate container to avoid environmental contamination. S37 - Wear suitable gloves. |
| UN IDs | UN 3082 9/PG 3 |
| WGK Germany | 2 |
| RTECS | NM1926500 |
| FLUKA BRAND F CODES | 23 |
| TSCA | Yes |
| HS Code | 29339990 |
| Hazard Class | 9 |
| Packing Group | III |
FISHER 碱 - Upstream Downstream Industry
| Raw Materials | Aniline phenyl hydrazine Sodium carbonate Dimethyl phthalate Dimethyl phthalate Dimethyl sulfate Dimethyl sulfate Sodium metabisulfite Indole |
FISHER 碱 - Introduction
Almost insoluble in water.
Last Update：2022-10-16 17:12:26
FISHER 碱 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | as a cationic dye intermediate this product can be used as a dye intermediate to produce cationic golden X-GL, cationic pink FG, cationic brilliant red 5-GN, cationic red 6B, cationic red 3GL, etc. |
| Production method | After the condensation and closed-loop reaction of phenylhydrazine and methyl ethyl ketone, methylate with methyl toluenesulfonate, and then neutralize with ammonia. Put water, phenylhydrazine and sulfuric acid into the reaction pot, heat to 80 ℃, add methyl ethyl ketone dropwise, and control the feeding temperature at 80-90 ℃. After addition, the reaction continued at 90-100 ℃ for 1.5h. Cold to 70 ℃, add xylene, let it stand to remove the lower layer of water, and wash the xylene layer with water. Methyl p-toluenesulfonate is added, heated, reacted at 155-160 ℃ for 3h, then reacted at 160-165 ℃ for 3h, the reaction material is diluted in water, and 20% ammonia water is added dropwise at 70-90 ℃ until the pH value is greater than 8. Statically stratified, the upper oil layer is distilled under reduced pressure, and the fraction above 80 ℃(1.33-2.67kPa) is collected as the finished product. The yield is about 70%. |
Last Update：2024-04-09 02:00:06
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View History
FISHER 碱
O-(1,1-二甲基乙基)-N-[(苯基甲氧基)羰基]-L-丝氨酸甲酯
1-[4-(丙-2-基)苯基]丙-1-胺
290819-03-3
4-二胺基酪酸
(1-Formyl-1-nitro-2-oxoethyl) monohydrate sodium, 3-Hydroxy-2-nitro-2-propenal monohydrate sodium salt, 3-Hydroxy-2-nitroacrolein monohydrate sodium salt, Sodium nitromalondialdehyde monohydrate, Sodium nitromalonic dialdehyde monohydrate, Sodium nitropropanedial monohydrate
ETHYL 1-(4-METHOXYBENZYL)-4-AMINO-1H-IMIDAZOLE-5-CARBOXYLATE(WXG01100)
2-Ethyl-6-methyl-3-hydroxypyridine succinate
iso-Octyl methacrylate
O-(1,1-二甲基乙基)-N-[(苯基甲氧基)羰基]-L-丝氨酸甲酯
1-[4-(丙-2-基)苯基]丙-1-胺
290819-03-3
4-二胺基酪酸
(1-Formyl-1-nitro-2-oxoethyl) monohydrate sodium, 3-Hydroxy-2-nitro-2-propenal monohydrate sodium salt, 3-Hydroxy-2-nitroacrolein monohydrate sodium salt, Sodium nitromalondialdehyde monohydrate, Sodium nitromalonic dialdehyde monohydrate, Sodium nitropropanedial monohydrate
ETHYL 1-(4-METHOXYBENZYL)-4-AMINO-1H-IMIDAZOLE-5-CARBOXYLATE(WXG01100)
2-Ethyl-6-methyl-3-hydroxypyridine succinate
iso-Octyl methacrylate
Raw Materials for FISHER 碱