(C2H5)2Zn
Diethylzinc
CAS: 557-20-0
Molecular Formula: C4H10Zn
(C2H5)2Zn - Names and Identifiers
| Name | Diethylzinc |
| Synonyms | (C2H5)2Zn ZINC ETHYL Diethylzinc Zinc ethide diethyl-zin diethylzine ZINCDIETHYL DIETHYLZINC, CYLINDER WITH 100 G DIETHYLZINC SOLUTION, IN TOLUENE (1.1 M) |
| CAS | 557-20-0 |
| EINECS | 209-161-3 |
| InChI | InChI=1/2C2H5.Zn/c2*1-2;/h2*1H2,2H3;/rC4H10Zn/c1-3-5-4-2/h3-4H2,1-2H3 |
(C2H5)2Zn - Physico-chemical Properties
| Molecular Formula | C4H10Zn |
| Molar Mass | 123.51 |
| Density | 1.205g/mLat 25°C(lit.) |
| Melting Point | −28°C(lit.) |
| Boling Point | 98°C |
| Flash Point | 45°F |
| Water Solubility | REACTS VIOLENTLY |
| Vapor Presure | 16hPa at 20℃ |
| Appearance | Solution |
| Specific Gravity | 0.740 |
| Color | Slightly turbid light brown-gray |
| Merck | 14,3131 |
| BRN | 3587207 |
| Storage Condition | 0-6°C |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | n20/D 1.498(lit.) |
| Physical and Chemical Properties | Colourless, mobile liquid,garlic-like odour. Used in organic synthesis and aircraft and missile fuel. |
| Use | For the preparation of PEO catalysts |
(C2H5)2Zn - Risk and Safety
| Risk Codes | R14 - Reacts violently with water R17 - Spontaneously flammable in air R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R67 - Vapors may cause drowsiness and dizziness R65 - Harmful: May cause lung damage if swallowed R62 - Possible risk of impaired fertility R48/20 - R11 - Highly Flammable R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R14/15 - R63 - Possible risk of harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S8 - Keep container dry. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S16 - Keep away from sources of ignition. S60 - This material and its container must be disposed of as hazardous waste. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) |
| UN IDs | UN 3399 4.3/PG 1 |
| WGK Germany | 2 |
| RTECS | ZH2077777 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 4.3 |
| Packing Group | I |
(C2H5)2Zn - Upstream Downstream Industry
| Raw Materials | Zinc chloride Triethyl aluminium |
(C2H5)2Zn - Nature
Open Data Verified Data
a colorless, transparent and malodorous liquid at normal temperature and pressure. Diethyl zinc is sensitive to oxygen, water, unstable to heat, spontaneous combustion in the air, and zinc oxide white smoke is produced during combustion. It reacts strongly with water, and the decomposition of combustible ethane gas and ignition occurs. Soluble in hexane, heptane and other aliphatic saturated hydrocarbons and toluene, xylene and other aromatic hydrocarbons. With AsH3, PH3, linear ether, thioether to form a relatively unstable complex, with tertiary amine, cyclic ether to form a stable complex. With active hydrogen alcohols, acids intense reaction. Explosion may occur during heating. The chemical reaction activity is very high, and can react with the alkene twelve iodine methane, sulfur dioxide explosive reaction, and bromine, water, nitro compound reaction.
Last Update：2025-06-10 22:55:16
(C2H5)2Zn - Preparation Method
Open Data Verified Data
EtZnX(X = Br, I) formed by the reaction of Zn, EtBr and Etl in the presence of Cu Salt and catalyst is converted to diethylzinc by heating, and separated by distillation, purification is sufficient.
Last Update：2025-06-10 22:55:16
(C2H5)2Zn - Application
Open Data Verified Data
P-type dopants used as AsGa,GaP, and GaAsP in the manufacture of light-emitting diodes. It is also a raw material for the MOCVD process for the deposition of zinc films.
Last Update：2025-08-19 16:24:40
(C2H5)2Zn - Safety
Open Data Verified Data
ingestion, inhalation or absorption through the skin is harmful to the body. It has a strong stimulating effect on eyes, skin and mucous membranes. Inhalation of smoke particles can cause replacement of blood proteins, resulting in an overheating reaction. TLV: 50mg/m3. Inhalation poisoning, immediately sent to the hospital for treatment. When there is a fire, it can be saved by powder fire extinguishing, dry sand, etc. Store in a cool, ventilated warehouse. Keep away from fire and heat source.
Last Update：2025-06-10 22:55:16
(C2H5)2Zn - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | diethyl zinc is a colorless, transparent and malodorous liquid at normal temperature and pressure. it can ignite spontaneously in the air and react violently with alcohols and acids with active hydrogen. |
| physical and chemical properties | diethylzinc is easily soluble in aliphatic saturated hydrocarbons such as hexane and heptane and aromatic hydrocarbons such as toluene and xylene, with a maximum allowable concentration of 50mg/m3. 99.999% pure products can be prepared by reacting iodoethane with zinc-sodium alloy or copper-zinc alloy after purification. This product can be used in MOCVD process of semiconductor production and catalyst for epitaxial growth and polymerization reaction. |
| preparation | the selected laboratory uses 1000ml four-port glass flask as the main reactor, equipped with spherical condenser tube, constant pressure funnel, thermometer sleeve, stainless steel agitator, and connected to nitrogen system. 6N zinc powder 600g, iodized ethane 250ml, bromoethane 250ml. The operation steps are: (1) Treatment of zinc powder: add 600g of zinc powder and into a 1000ml glass bottle with a bottom tube. Dry hydrogen is introduced to slightly bubble the tail gas bottle. Slowly heating, the temperature in the bottle rises to 200 ℃ within 30min. At this time, it can be observed that water vapor is attached to the pipe wall connecting the exhaust gas. Keep the temperature at 200~250 ℃, pass hydrogen for 30min, and then cool to room temperature of about 20 ℃. (II) install the main reactor and replace it with nitrogen to ensure that the reactor remains in an inert gas state. Add the treated zinc powder under the protection of nitrogen, add 10ml of mixed solution of iodide and bromoethane, add 10g of cuprous iodide, and carefully add 30g of diethyl zinc solution. When the temperature in the reactor rises to 58~60 ℃, the reflux obviously accelerates and the temperature rises rapidly. (III) when the temperature drops to about 80 ℃, the remaining mixed solution is added to the reaction kettle, the temperature of the reaction solution rises again, and reflux occurs again, and continuous cooling occurs. After the mixed solution of iodized ethane and bromoethane is added, the reaction temperature is heated with a heating jacket to reach 140 ℃, and the reaction is maintained for 1h. After the heat preservation reaction of the (IV) is completed, it is naturally cooled. When the material in the reactor starts to solidify at about 70 ℃, after it is completely cooled to room temperature, connect the receiving device, and keep the cooling of the receiving bottle below -35 ℃. The diethylzinc solution is obtained by vacuum pump decompression and distillation. When the reactor temperature rises to 200 ℃, the distillation is stopped and passed through many tests. The initial initiation time of the reaction is not more than 40min, and only a small amount of solution evaporation loss (not More than 5%), the reaction yield is higher than that of the traditional process and remains stable at about 85%. |
| Use | Organocatalytic reaction Used to prepare PEO catalyst |
| category | spontaneous combustion items |
| flammability hazard characteristics | can spontaneously ignite when exposed to air, chlorine, and oxidants; combustion produces stimulating smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Packed with inert gas container; Store separately from oxidant |
| fire extinguishing agent | dry sand, dry powder, stone powder cover |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:05
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View History
(C2H5)2Zn
BARIUM ZIRCONATE
DIHYDROCARVEOL WITH GC
NSC 88717
Metsulfuron-methyl
Isocapronyl chloride
异丁基黄原酸钾
74-96-4
95-24-9
4076-02-2
BARIUM ZIRCONATE
DIHYDROCARVEOL WITH GC
NSC 88717
Metsulfuron-methyl
Isocapronyl chloride
异丁基黄原酸钾
74-96-4
95-24-9
4076-02-2
Raw Materials for (C2H5)2Zn