Triisobutyl Aluminium
Triisobutylaluminum
CAS: 100-99-2
Molecular Formula: C12H27Al
Triisobutyl Aluminium - Names and Identifiers
| Name | Triisobutylaluminum |
| Synonyms | triisobutylalane triisobutyl-alane Triisobutylaluminum Tri-i-butylaluminum triisobutyl-aluminu Triisobutyl Aluminium Triisobutylaluminum solution tris(2-methylpropyl)aluminum tris(2-methylpropyl)-aluminu Aluminum,tris(2-methylpropyl)- Triisobutylaluminummincolorlessliq aluminum tris(2-methylpropan-1-ide) |
| CAS | 100-99-2 |
| EINECS | 202-906-3 |
| InChI | InChI=1/3C4H9.Al/c3*1-4(2)3;/h3*4H,1H2,2-3H3;/rC12H27Al/c1-10(2)7-13(8-11(3)4)9-12(5)6/h10-12H,7-9H2,1-6H3 |
| InChIKey | MCULRUJILOGHCJ-UHFFFAOYSA-N |
Triisobutyl Aluminium - Physico-chemical Properties
| Molecular Formula | C12H27Al |
| Molar Mass | 198.32 |
| Density | 0.848g/mLat 25°C |
| Melting Point | 4-6°C |
| Boling Point | 68-69°C |
| Flash Point | −1°F |
| Water Solubility | reacts |
| Vapor Presure | 75Pa at 25℃ |
| Appearance | Solution |
| Specific Gravity | 0.848 |
| Color | Clear colorless to light yellow |
| Exposure Limit | ACGIH: TWA 50 ppm (Skin)OSHA: TWA 500 ppm(1800 mg/m3)NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3) |
| Merck | 14,326 |
| BRN | 3587328 |
| Storage Condition | 0-6°C |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | 1.4494 |
| Physical and Chemical Properties | Colorless transparent liquid. |
| Use | It is used as a polymerization catalyst for cis-Polybutadiene Rubber, and is also a common polymerization catalyst for other directional polymerization rubbers, synthetic resins and synthetic fibers. |
Triisobutyl Aluminium - Risk and Safety
| Risk Codes | R14 - Reacts violently with water R17 - Spontaneously flammable in air R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R67 - Vapors may cause drowsiness and dizziness R65 - Harmful: May cause lung damage if swallowed R63 - Possible risk of harm to the unborn child R48/20 - R11 - Highly Flammable R62 - Possible risk of impaired fertility R51/53 - Toxic 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. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S6A - S46 - If swallowed, seek medical advice immediately and show this container or label. S43A - S16 - Keep away from sources of ignition. S27 - Take off immediately all contaminated clothing. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) |
| UN IDs | UN 3394 4.2/PG 1 |
| WGK Germany | 2 |
| RTECS | BD2203500 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 4.3 |
| Packing Group | I |
Triisobutyl Aluminium - Nature
Open Data Verified Data
A colorless transparent liquid with a strong smell of mildew. The chemical properties are more active, and the chemical reaction activity is high. Soluble in benzene. Contact with air will smoke spontaneous combustion, suppress water, acid, alcohol, ammonia will occur hydrolysis, alcoholysis, acid hydrolysis and other reactions, while releasing a lot of heat and isobutane, an explosion can also occur when the reaction is severe.
Last Update：2024-01-02 23:10:35
Triisobutyl Aluminium - Hair-making
Open Data Verified Data
prepared by synthesis of active aluminum powder with isobutylene and hydrogen at high temperature and high pressure (llo ~ 120 ℃ and 5 ~ 6MPa). The reaction product is obtained by precipitation, centrifugation, filtration and preparation.
Last Update：2022-01-01 10:06:28
Triisobutyl Aluminium - Use
Open Data Verified Data
This product is used as a polymerization catalyst for cis-Polybutadiene Rubber, synthetic resins, synthetic fibers and olefin polymers. It is also used as an intermediate of organometallic compounds and as a high-energy raw material and reducing agent of jet engine ignition system.
Last Update：2022-01-01 10:06:28
Triisobutyl Aluminium - Safety
Open Data Verified Data
It is highly irritating and corrosive, causing damage to the respiratory tract and the conjunctiva. The maximum allowable concentration of hazardous substances in the air of the workshop is 2mg/m3[ Al].; Comprehensive protection should be taken. If inhalation or contact with the skin is accidental, a large amount of flowing water or normal saline should be used to rinse thoroughly and seek medical treatment. In the production process, sampling analysis or leakage, easy to cause combustion explosion, should pay more attention. Mixing with oxidants, acids, alcohols and edible chemicals is strictly prohibited. Storage and transport must be filled with inert gas or a specific container. Keep away from fire and heat source. The bin temperature should not exceed 30 ℃. The relative humidity was maintained below 75%.
Last Update：2022-01-01 10:06:29
Triisobutyl Aluminium - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | used as a polymerization catalyst for cis-Polybutadiene Rubber, as well as other directional polymerization rubbers, commonly used polymerization catalysts for synthetic resin and synthetic fiber polybutadiene rubber polymerization agent combined catalyst is also used as one of the commonly used polymerization catalysts for other directional polymerization agents, synthetic resin and synthetic fiber. catalysts for organic synthesis and polymerization of olefins. |
| production method | the aluminum powder was activated by ball milling, the isobutene was dried, and both were directly synthesized together with hydrogen in triisobutyl aluminum to initiate the next step. Raw material consumption (kg/t) name of raw material specification consumption of aluminum powder (under standard state), particle size 50-120 mesh, content ≥ 99% oxygen content ≤ 20ppm water content ≤ 20ppm isobutylene content ≥ 98% 1700 moisture |
| category | spontaneous combustion articles |
| toxicity grade | poisoning |
| Acute toxicity | Reference range inhalation-rat LC50: 10000 mg/m3/15 min |
| flammability hazard characteristics | spontaneous combustion in air, chlorine, oxidant, high temperature and water energy; toxic aluminide smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; The package is filled with nitrogen; Stored separately from the oxidant |
| extinguishing agent | dry sand, dry powder |
| Occupational Standard | TLV-TWA 2 mg (AL) /m3 (USA) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:55:45
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