579-66-8
2,6-Diethylaniline
CAS: 579-66-8
Molecular Formula: C10H15N
579-66-8 - Names and Identifiers
579-66-8 - Physico-chemical Properties
| Molecular Formula | C10H15N |
| Molar Mass | 149.23 |
| Density | 0.906 g/mL at 25 °C (lit.) |
| Melting Point | 3-4 °C |
| Boling Point | 243 °C (lit.) |
| Specific Rotation(α) | n20/D 1.545 (lit.) |
| Flash Point | 254°F |
| Water Solubility | 0.67g/L(26.7 ºC) |
| Solubility | Soluble in benzene, ethanol, chloroform and other organic solvents. |
| Vapor Presure | 0.02 mm Hg ( 20 °C) |
| Appearance | oily liquid |
| Color | Clear yellow to reddish-brown |
| BRN | 1423626 |
| pKa | 4.13±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Stability | Air Sensitive |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.545(lit.) |
| MDL | MFCD00007753 |
| Physical and Chemical Properties | density 0.906 melting point 3-4°C boiling point 243°C refractive index 1.5446-1.5466 flash point 123°C |
| Use | Important pesticides, dyes and pharmaceutical intermediates, is the amide herbicides alachlor and butachlor production of raw materials |
579-66-8 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S23 - Do not breathe vapour. S24 - Avoid contact with skin. |
| UN IDs | 2810 |
| WGK Germany | 2 |
| RTECS | BX3500000 |
| FLUKA BRAND F CODES | 8-9-23 |
| HS Code | 29214200 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
579-66-8 - Upstream Downstream Industry
| Raw Materials | Aniline Ethylene |
| Downstream Products | Machette Acetochlor Pretilachlor |
579-66-8 - Nature
Open Data Verified Data
colorless transparent liquid. Melting point 3 °c, boiling point 237.8 °c, flash point 93.3 °c. Insoluble in water, soluble in most organic solvents. It turned red quickly when exposed to light and air.
Last Update：2024-01-02 23:10:35
579-66-8 - Preparation Method
Open Data Verified Data
from aniline and ethylene by alkylation reaction in the presence of a catalyst. There are two kinds of production processes: continuous and intermittent. The catalysts mainly include triethyl aluminum, diethyl aluminum chloride, aluminum trichloride and aluminum dust. Raw material consumption per 1t product: aniline (≥ 99.6%) 695kg, ethylene (≥ 99.9%)470kg, aluminum powder (≥ 99). 7%) 14. 5kg, aluminum chloride (9926) 44kg, sodium hydroxide solution (42%) 91kg, sulfuric acid (93%) 60kg.
Last Update：2022-01-01 10:51:09
579-66-8 - Introduction
2, 6-diethylaniline is the key raw material for the production of herbicides alachlor, prochlorachlor and butachlor, and can also be used to synthesize dyes, antioxidants, epoxy resin curing agents, etc.
Last Update：2022-10-16 17:26:35
579-66-8 - Use
Open Data Verified Data
This product is an important intermediate in the production of pesticide herbicide alachlor and butachlor. It can also be used in the fields of dyes, pharmaceuticals, spices, rubber additives and petrochemical industry. It can replace tetraethyl lead as gasoline antiknock agent.
Last Update：2022-01-01 10:51:08
579-66-8 - Safety
Open Data Verified Data
health standard: 5 mg/m3. Ingestion, inhalation and skin contact are all harmful to the body. Protective gear should be worn. When heated, its vapor forms an explosive mixture with air. Combustion produces irritant, corrosive and (or) toxic gases.
Last Update：2022-01-01 10:51:09
579-66-8 - 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) |
| Use | 2, 6-diethylaniline is an intermediate of the herbicides alachlor, butachlor and alachlor. The product is an important organic synthesis intermediates, used in the manufacture of dyes, pharmaceuticals, spices and pesticides, and itself can replace tetraethyl lead as gasoline antiknock. The herbicide alachlor, which is produced from 2, 6-diethylaniline, is mainly used to control weeds in crops such as corn, soybean and peanut. It is also used to produce herbicide butachlor, which is mainly used for weed control in paddy fields. These two herbicides per hectare dosage of 1-4kg, herbicidal effect is good, long-lasting effect, is the international performance is better, the yield of new herbicides. It can also be used for the production of alachlor, as well as for rubber additives and petrochemical industry. is an important pesticide, dye and pharmaceutical intermediates, is the amide herbicides alachlor and butachlor raw materials important pesticides, dyes and pharmaceutical intermediates, is the amide herbicide alachlor and butachlor production raw materials |
| production method | from aniline and ethylene by alkylation reaction in the presence of a catalyst. There are two kinds of production processes: continuous and intermittent. The catalysts mainly include triethyl aluminum, diethyl aluminum chloride, aluminum trichloride and aluminum dust. Raw material consumption quota: aniline (≥ 99.6%)695kg/t, ethylene (≥ 99.9%)470kg/t, aluminum powder (≥ 99.7%)14.5/t, aluminum chloride (≥ 99%)44kg/t, sodium hydroxide solution (42%)91kg/t, sulfuric acid (93%)60kg/t. The preparation method is to use aniline as a raw material and react with ethylene under high pressure in the presence of a catalyst. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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