HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethylaluminiumdichlorid
EADC · ETHYLALUMINIUM DICHLORIDE · uminum dichL · dichloroethyl-aluminu · Ethyldichloroaluminum · DICHLOROETHYLALUMINUM · Aluminum,dichloroethyl- · dichlororthyl aluminium
Identifikatoren & physikalische Daten
| CAS No. | 563-43-9 |
|---|---|
| Summenformel | C2H5AlCl2 |
| Durchschnittliche Molmasse | 126,95 g/mol |
| Monoisotopische Masse | 125,95836915 g/mol |
| SMILES | C[CH2][Al]([Cl])[Cl] |
| InChIKey | UAIZDWNSWGTKFZ-UHFFFAOYSA-L |
| PubChem CID | 11237 |
| EC No. | 209-248-6 |
| DTXSID | DTXSID6027212 |
| Lokaler Name | Ethylaluminiumdichlorid |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 0 |
|---|---|
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 0 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 5 |
| Formalladung | 0 |
| Komplexität | 21,6 |
| Stoffklassen | Metals -> Metals, Organic CompoundsFlammable agents - 4th degree |
| Dichte | 1.227 at 95 °F (USCG, 1999) - Denser than waterwill sink1.2221.222 @25 °C0.927 g/mL at 25 °C |
| Color/Form | Clear, yellow liquid |
| Siedepunkt | 381 °F at 760 mmHg (USCG, 1999)194 °C (Extrapolated)194 °C @760 [mm Hg]68-70°C |
| Decomposition | When heated to decomposition ... emits toxic fumes of /hydrogen chloride/. |
| Schmelzpunkt | 90 °F (USCG, 1999)31 °C32 °C32 °C(lit.) |
| Physical Description | Ethyl aluminum dichloride appears as a colorless to light-yellow heated liquid. Freezing point 90 °F. (USCG, 1999)CBIColorless liquid[Sullivan, p. 979] Clear yellow liquidmp = 31 deg C[HDSB] Clear deep yellow liquidmp = 32 deg C[MSDSonline] |
| Stability/Shelf Life | Low melting solids or colorless, volatile liquids. /Alkylaluminum halides/Less sensitive than trialkylaminums to oxidation upon exposure to air. /Alkylaluminum halides/ |
| Selbstentzündungstemperatur | Ignites spontaneously in air at ambient temperature. (USCG, 1999) |
| Other Experimental Properties | Pyrophoric. ... reacts violently with water. Weight: 10.28 lb/gal @ 25 °CStrongly associated forming dimersheld together by bridging halogen bondshalogen aluminum bonds Cleaved by water and alcohol /Aluminum alkyls/Alkylaluminum chlorides, bromides, and iodides are usually dimeric, with bridging halides. |
| Dampfdruck | 5 mm Hg ( 60 °C) |
| Flammpunkt | 40 °F |
| Lagerbedingungen | 0-6°C |
| Aggregatzustand | Liquid |
| Farbe | Colorless to pale yellow |
| Wichte | 0.927 |
| Löslichkeit | Soluble in acetone. Miscible with alcohol, chloroform, ether. Reacts with water. |
| Merck | 326 |
| BRN | 4123357 |
| InChI | 1S/C2H5.Al.2ClH/c1-2/h1H2,2H32*1H/q+2/p-2 |
| InChIKey | UAIZDWNSWGTKFZ-UHFFFAOYSA-L |
| SMILES | CC[Al](Cl)Cl |
| CAS Datenbank | 563-43-9(CAS DataBase Reference) |
| EPA chemische Informationen | Aluminum, dichloroethyl- (563-43-9) |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225 (46%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P222, P223, P231, P231+P232, P233, P240, P241, P242, P243, P260, P264, P264+P265, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P363, P370+P378, P402+P404, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 285 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Chemical: Aluminium, dichloroethyl-Aluminum, dichloroethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Aluminum, dichloroethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 20-05-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/13130Aluminum, dichloroethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.) |
| Weitere Sicherheitsinformationen | IMAP assessments - Aluminium, dichloroethyl-: Environment tier I assessment |
| DOT-Kennzeichnung | Spontaneously Combustible Dangerous When Wet |
| Brandgefahren | Special Hazards of Combustion Products: Intense smoke may cause metal-fume fever. Irritating hydrogen chloride also formed. |
| Brandpotenzial | Fumes vigorously in air. May ignite spontaneously.Certain polymerization catalysts, such as aluminum alkyls, react & burn violently on contact with water. /Aluminum alkyls/Aluminum alkyls are organic aluminum compounds that are highly reactive and dangerous because of spontaneous burning in air. /Aluminum alkyls/Prophoric material in flammable solvent. Vapors are heavier than air & may travel to a source of ignition & flash back. /Aluminum alkyls/ |
| Gesundheitsgefahren | Inhalation of smoke from fire causes metal-fume fever (flu-like symptoms)acid fumes irritate nose and throat. Contact with liquid (which is spontaneously flammable) causes severe burns of eyes and skin. (USCG, 1999) |
| Gefahrenübersicht | Aluminum alkyl halides release large amounts of HCl when spilled in water[ERG 2016] Ignites in air and reacts violently with water producing HCl and aluminum oxide[Sullivan, p. 979] Reacts violently with waterMay spontaneously ignite in airA skin irritant[HSDB] Highly flammableIgnites on exposure to airReacts violently with water or moisture evolving hydrogen chloride and flammable ethaneCan cause severe burns to skin and eyes[CAMEO] PyrophoricReacts violently with water evolving extremely flammable gasesA corrosive substance that can cause injury to the skin, eyes, and respiratory tractInhalation may cause chemical pneumonitis and pulmonary edema[MSDSonline] Organoaluminum compounds are corrosiveHarmful if absorbed through the skin or inhaledThe butyl alkyls and below are pyrophoricAluminum alkyls are eye irritants[HSDB] Organic aluminum compounds can cause irritation or burns, depending upon concentration[Ullmann] TLV withdrawn for aluminum alkyls because of inadequate toxicological data[ACGIH] See Aluminum. See ORGANOMETALS. |
| Reaktive Gruppe | Metal Hydrides, Metal Alkyls, Metal Aryls, and Silanes |
| RCRA-Anforderungen | D003A solid waste containing Dichloroethylaluminum may become characterized as a hazardous waste when subjected to testing for reactivity as stipulated in 40 CFR 261.23, and if so characterized, must be managed as a hazardous waste. |
| Reactivity Alerts | Strong Reducing Agent |
| OSHA Standards | Vacated 1989 OSHA PEL TWA 2 mg/cu m is still enforced in some states. /Aluminum (soluble salts & alkyls, as Al)/ |
| Reactivity Profile | Organometallics, such as ETHYL ALUMINUM DICHLORIDE, are reactive with many other groups. Incompatible with acids and bases. Organometallics are good reducing agents and therefore incompatible with oxidizing agents. Often reactive with water to generate toxic or flammable gases. Organometallics containing halogens (fluorine, chlorine, bromine, iodine) bonded to the metal typically with generate gaseous hydrohalic acids (HF, HCl, HBr, HI) with water. |
| Brandbekämpfung | Fire Extinguishing Agents Not to Be Used: Water, foam, dry chemicals, halogenated agents, or carbon dioxide |
| Erste Hilfe | INHALATION: only fumes from fire need be consideredmetal-fume fever is not critical and lasts less than 36 hrs.irritation of nose and throat by acid vapors may require treatment by a physician. |
| Expositionsschutz und Persönliche Schutzausrüstung | TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016]. |
| Brandbekämpfungsverfahren | Ignites spontaneously. /from table/Stop flow of liquid before extinguishing fire. Use dry chemical or carbon dioxide. DO NOT use water as straight stream directly on spilled material. Water fog can be used to control fire. DO NOT use halogenated extinguishing agents on spilled material. Violent reaction may result. Use water spray to keep fire-exposed containers cool. Fight fire from protected location or maximum possible distance. /Aluminum Alkyls/ |
| Lagerbedingungen | Extremely reactive with air, moisture and compounds containing active hydrogen and therefore must be kept under a blanket of inert gas. /Aluminum alkyls/In general, materials ... toxic as stored or which can decompose into toxic components ... Should be stored in cool ... ventilated place, out of ... sun, away from ... fire hazard ... be periodically inspected and monitored. Incompatible materials should be isolated ...All possibility of contact with water must be avoided. Solution containing not more than 20% of these compounds in non-reactive solvents, however, can be handled without risk of spontaneous ignition. /Aluminum alkyls/Must be stored in an inert atmospheresensitive to oxidation and hydrolysis in air. /Trialkylaluminums/Separate from air, water, halocarbons, alcohols. Store in a cool, dry, well-ventilated location. Outside or detached storage is preferred. Inside storage should be in a standard flammable liquid storage warehouse, room, or cabinet. /Aluminum alkyls/ |
| Freisetung ohne Brand | Neutralizing Agents for Acids and Caustics: Rinse with sodium bicarbonate or lime solution. (USCG, 1999) |
| Entsorgungsverfahren | Aluminum compounds are treated under anhydrous conditions to prevent violent reactions, recover solvent, and form Al compounds suitable for landfill by reaction with anhydrous hydrolysis agent, eg calcium hydroxide. /Aluminum compounds/SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air qualitypotential migration in soil or watereffects on animal, aquatic, and plant lifeand conformance with environmental and public health regulations. |
| Preventive Measures | SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.Work clothing that becomes wet or significantly contaminated should be removed and replaced. /Aluminum (soluble salts and alkyls, as Al)/Workers whose clothing may have become contaminated should change into uncontaminated clothing before leaving the work premises. /Aluminum (soluble salts and alkyls, as Al)/The worker should immediately wash the skin when it becomes contaminated. /Aluminum (soluble salts and alkyls, as Al)/SRP: Contaminated protective clothing should be segregated in such a manner so that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. Quality assurance to ascertain the completeness of the cleaning procedures should be implemented before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at end of shift, but should remain at employee's place of work for cleaning. |
| Isolation and Evacuation | Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]: |
| Minimum Risk Level | Intermediate Oral: 1.0 mg/kg/day (L134) Chronic Oral: 1.0 mg/kg/day (L134) |
| Threshold Limit Values (TLV) | 8 hr Time Weighted Avg (TWA): 1 mg/cu m, respirable fraction. /Aluminum metal and insoluble compounds/Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 minutes during a work day, and under no circumstances should they exceed 5 times the TLV-TWA, provided that the TLV-TWA is not exceeded. /Aluminum metal and insoluble compounds/A4: Not classifiable as a human carcinogen. /Aluminum metal and insoluble compounds/ |
| Protective Action Criteria (PAC) | 1.2 [mg/m3]13 [mg/m3]79 [mg/m3] |
| Gesundheitliche Auswirkungen | Aluminum targets the nervous system and causes decreased nervous system performance and is associated with altered function of the blood-brain barrier. The accumulation of aluminum in the body may cause bone or brain diseases. High levels of aluminum have been linked to Alzheimer's disease. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (L739, L740) |
| Unerwünschte Wirkungen | Dermatotoxin - Skin burns. |
| Expositionspfade | Oral (L739)inhalation (L739) |
| Toxizitätsübersicht | The main target organs of aluminum are the central nervous system and bone. Aluminum binds with dietary phosphorus and impairs gastrointestinal absorption of phosphorus. The decreased phosphate body burden results in osteomalacia (softening of the bones due to defective bone mineralization) and rickets. Aluminum's neurotoxicity is believed to involve several mechanisms. Changes in cytoskeletal protein functions as a results of altered phosphorylation, proteolysis, transport, and synthesis are believed to be one cause. Aluminum may induce neurobehavioral effects by affecting permeability of the blood-brain barrier, cholinergic activity, signal transduction pathways, lipid peroxidation, and impair neuronal glutamate nitric oxide-cyclic GMP pathway, as well as interfere with metabolism of essential trace elements because of similar coordination chemistries and consequent competitive interactions. It has been suggested that aluminum's interaction with estrogen receptors increases the expression of estrogen-related genes and thereby contributes to the progression of breast cancer (A235), but studies have not been able to establish a clear link between aluminum and increased risk of breast cancer (A15468). Certain aluminum salts induce immune responses by activating inflammasomes. (L739, A235, A236) |
| Signs and Symptoms | Inhalating aluminum dust causes coughing and abnormal chest X-rays. A small percentage of people are allergic to aluminium and experience contact dermatitis, digestive disorders, vomiting or other symptoms upon contact or ingestion of products containing aluminium. (L739, L740) |
| Human Toxicity Excerpts | /SIGNS AND SYMPTOMS/ Corrosive. Causes severe eye and skin burns. Irritating to skin, eyes, and respiratory system. May be harmful if absorbed through skin or inhaled. "Metal fume fever" may result from inhalation of fumes /from organoaluminum compounds/. /SRP: While possible, metal fume fever is not highly probable./ /Organoaluminum compounds//OTHER TOXICITY INFORMATION/ Vapors of the pyrophoric alkyls (butyls and below) are nontoxic because they are completely consumed, but inhalation of the metallic oxide smoke (Al2O3) at 15 mg/cu m or greater can result in symptoms such as "metal fume fever." /Aluminum alkyls/ |
| Carcinogen Classification | Not listed by IARC. IARC classified aluminum production as carcinogenic to humans (Group 1), but did not implicate aluminum itself as a human carcinogen. (L135) A link between use of aluminum-containing antiperspirants and increased risk of breast cancer has been proposed (A235), but studies have not been able to establish a clear link (A15468). |
| Evidence for Carcinogenicity | A4: Not classifiable as a human carcinogen. /Aluminum metal and insoluble compounds/ |
| State Drinking Water Standards | (CA) CALIFORNIA 1000 ug/l /Aluminum/ |
| Landesrichtlinien für Trinkwasser | (AZ) ARIZONA 73 ug/l /Aluminum/(CA) CALIFORNIA 200 ug/l /Aluminum/(ME) MAINE 1430 ug/l /Aluminum/ |
| Bundesrichtlinien für Trinkwasser | EPA 50-200 ug/l /Aluminum/ |
| F | 10-21 |
| Wassergefährdungsklasse (WGK) | 1 |
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 3399 4.3/PG 1 |
| Zollcode | 29319090 |
| RTECS-Nr. | BD0705000 |
| R-Sätze (R) | 11-15-23/24/25-34-14-67-65-62-51/53-48/20-14/15-17-63 |
| Gefahrensymbole | F,T,N,C |
| Sicherheitshinweise (S) | 16-26-36/37/39-45-62-61-43-27 |
| Gefahrenklasse | 4.3Aquatic Chronic 3Asp. Tox. 1Eye Dam. 1Flam. Liq. 2Repr. 2Skin Corr. 1BSTOT RE 2STOT SE 3Water-react 1 |
| Verpackungsgruppe | I |
| Lagerklasse | 4.3 - Hazardous materials which set free flammable gases upon contact with water |
| Gefahrstoffdaten | 563-43-9(Hazardous Substances Data) |
Anwendungen & Verwendung
Verwenden
Ethylaluminum dichloride is used as a catalyst component in the polyolefin industry, for the synthesis of synthetic rubbers and for the dimerisation of olefins. It is also employed as a catalyst for Friedel-Crafts acylations.