102-27-2
N-Ethyl-m-toluidine
CAS: 102-27-2
Molecular Formula: C9H13N
102-27-2 - Names and Identifiers
| Name | N-Ethyl-m-toluidine |
| Synonyms | N-Ethyl-m-toluidine 3(ethylamino)-toluen m-Toluidine, N-ethyl- N-ETHYL-META TOULIDINE N-Ethyl-meta-toluidine m-Methyl-N-ethylaniline N-Ethyl-3-methylaniline N-Ethyl-3-methylbenzenamine n-ethyl-3-methyl-benzenamin N-ethyl-3-methyl-Benzenamine N-Ethyl-3-methylaniline3-(Ethylamino)toluene |
| CAS | 102-27-2 |
| EINECS | 203-019-4 |
| InChI | InChI=1/C9H13N/c1-3-10-9-6-4-5-8(2)7-9/h4-7,10H,3H2,1-2H3 |
102-27-2 - Physico-chemical Properties
| Molecular Formula | C9H13N |
| Molar Mass | 135.21 |
| Density | 0.957 g/mL at 25 °C (lit.) |
| Melting Point | -6.87°C (estimate) |
| Boling Point | 221 °C (lit.) |
| Flash Point | 89 °C |
| Water Solubility | 1131 mg/L (20 ºC) |
| Solubility | soluble in Alcohol,Ether |
| Vapor Presure | 10.9-106Pa at 20-50℃ |
| Appearance | clear liquid |
| Color | Colorless to Red to Green |
| BRN | 742170 |
| pKa | 5.27±0.25(Predicted) |
| Refractive Index | n20/D 1.546(lit.) |
| Physical and Chemical Properties | Light yellow oily liquid. |
| Use | Used as dye intermediates and photosensitive material intermediates |
102-27-2 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - |
| UN IDs | UN 2754 6.1/PG 2 |
| WGK Germany | 2 |
| RTECS | CY0440000 |
| HS Code | 29214300 |
| Hazard Class | 6.1 |
| Packing Group | II |
102-27-2 - Nature
Open Data Verified Data
light yellow oily liquid. Boiling Point 221 °c. Density of 0.945~0.951G/cm3. Refractive index 5451. Insoluble in water and alkali, soluble in ethanol and inorganic acid. Brown after prolonged exposure to air.
Last Update：2025-06-10 22:55:16
102-27-2 - Preparation Method
Open Data Verified Data
with M-toluidine as raw material, heating in the reaction kettle, Dropwise adding bromoethane solution at a certain temperature, refluxing for a few hours, and then neutralization with alkali solution, the product was obtained by distillation.
Last Update：2022-01-01 10:52:16
102-27-2 - Application
Open Data Verified Data
an important intermediate of the color developer, and can also be used as a dye intermediate.
Last Update：2025-08-19 16:24:40
102-27-2 - Safety
Open Data Verified Data
- toxic. Inhalation of vapor and absorption through the skin can cause poisoning. Protection Measure should be strengthened. The equipment should be closed. The production site should be well ventilated. The operator should wear protective gear.
- packed in iron drum with a net weight of 200kg per drum. It shall be protected from fire and moisture during storage. According to the provisions of the storage and transportation of toxic and flammable chemicals.
Last Update：2025-06-10 22:55:16
102-27-2 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used as dye intermediate and photosensitive material intermediate an important intermediate of color developer, and can also be used as dye intermediate. |
| production method | with M-toluidine as raw material, heating and raising the temperature in a reaction kettle, Dropwise adding bromoethane solution at a certain temperature, after the reflux was maintained for several hours, the mixture was neutralized with alkali solution. After separation, the product was obtained by rectification. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50 500 mg/kg; Oral-mouse LD50: 200 mg/kg |
| flammability hazard characteristics | flammable; Combustion decomposition of toxic nitrogen oxide gases |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature, and separate storage and transportation of food |
| fire extinguishing agent | carbon dioxide, foam, dry powder, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:01:54
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