ChemicalBook > Product Catalog >Organic Chemistry >Organometallic compounds >Organolithium >Lithium tri-tert-butoxyaluminum hydride
Lithium tri-tert-butoxyaluminum hydride
- CAS No.
- 17476-04-9
- Chemical Name:
- Lithium tri-tert-butoxyaluminum hydride
- Synonyms
- LTBA;LTTBA;Lithium tri-t-butoxyaluminium Hydride;LITHIUM TRI-TERT-BUTOXYALUMINOHYDRIDE;LITHIUM TRI-T-BUTOXYALUMINOHYDRIDE;LITHIUM ALUMINUM-TRI-TERT-BUTOXYHYDRIDE;LITHIUM TRI-TERT-BUTOXYALUMINIUM HYDRIDE;uminohydride;Lithium tri-tert-but;ithium tri-tert-butoxyaL
- CBNumber:
- CB0739959
- Molecular Formula:
- C12H28AlO3.Li
- Molecular Weight:
- 254.27
- MOL File:
- 17476-04-9.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/5/14 18:04:32
| Melting point | 300-319 °C (dec.) (lit.) |
|---|---|
| Boiling point | 66°C (THF) |
| Density | 0.942 g/mL at 25 °C |
| Flash point | 95 °F |
| storage temp. | 2-8°C |
| solubility | It is soluble in organic solvents at low temperatures. |
| form | Solution |
| color | Clear to slightly turbid colorless |
| Water Solubility | Reacts with water. |
| Sensitive | Air & Moisture Sensitive |
| BRN | 5796791 |
| Exposure limits |
ACGIH: TWA 50 ppm; STEL 100 ppm (Skin) OSHA: TWA 200 ppm(590 mg/m3) NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3) |
| Stability | Stable. Incompatible with alcohols. Reacts violently with water. Highly flammable. |
| InChIKey | BYBIDFZFKATBFH-UHFFFAOYSA-N |
| CAS DataBase Reference | 17476-04-9(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminate(1-), hydrotris(2-methyl-2-propanolato)-, lithium, (T-4)- (17476-04-9) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H260-H314 | |||||||||
| Precautionary statements | P223-P231+P232-P260-P280-P303+P361+P353-P305+P351+P338 | |||||||||
| Hazard Codes | F,C,T | |||||||||
| Risk Statements | 60-61-10-14/15-19-34-14-11-15-35-40-37 | |||||||||
| Safety Statements | 53-26-36/37/39-43-45-16-43B-6A | |||||||||
| RIDADR | UN 3399 4.3/PG 1 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | OJ5585000 | |||||||||
| F | 10-21 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 4.3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29055900 | |||||||||
| NFPA 704 |
|
Lithium tri-tert-butoxyaluminum hydride price More Price(7)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | L2904 | Lithium tri-tert-butoxyaluminum hydride 97% | 17476-04-9 | 5G | ₹4514.03 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L2904 | Lithium tri-tert-butoxyaluminum hydride 97% | 17476-04-9 | 25G | ₹11073.98 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | L2904 | Lithium tri-tert-butoxyaluminum hydride 97% | 17476-04-9 | 100G | ₹23446.95 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 241814 | Lithium tri-tert-butoxyaluminum hydride solution 1.0?M in THF | 17476-04-9 | 100ML | ₹18543.23 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 241814 | Lithium tri-tert-butoxyaluminum hydride solution 1.0?M in THF | 17476-04-9 | 800ML | ₹80992.65 | 2022-06-14 | Buy |
Lithium tri-tert-butoxyaluminum hydride Chemical Properties,Uses,Production
Chemical Properties
Lithium tri-tert-butoxyaluminum hydride is a white powder with a melting point of 319°C, which is sublimated under vacuum at 280°C. It is soluble in ethylene glycol dimethyl ether, diglyme and tetrahydrofuran, and slightly soluble in ether. Stable in dry air, hydrolyzed slowly in moist air. Lithium tri-tert-butoxyaluminum hydride is a mild and highly selective reducing agent. Ketones, aldehydes and acid chlorides can be reduced in diethyl ether or diglyme at 0°C, fatty acid esters and nitriles are not reduced, but phenyl esters of fatty acids and alicyclic acids can be reduced.
Uses
Lithium tri-tert-butoxyaluminum hydride is less reactive than lithium aluminum hydride (LAH) and is very useful in selective reductions of acyl halides, aldehydes, ketones, and esters. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dye stuff. LAH, is a reducing agent commonly employed in modern organic synthesis.
Preparation
Lithium aluminum hydride reacts with tert-butanol in ether to prepare Lithium tri-tert-butoxyaluminum hydride.
LiAlH4+3 (CH3)3COH→LiAlH[OC(CH3)3]
3+3 H2
General Description
Lithium tri-tert-butoxyaluminum hydride is a mild reducing agent mainly used for the selective reduction of ketones. It is very suitable for selective reductions on account of its mild reducing power, the most important of these being the reduction of steroid ketones. In addition to chemical selectivity, a certain stereoselectivity is shown in the reduction of cyclic ketones.
Lithium tri-tert-butoxyaluminum hydride Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 240)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Almas Life Sciences | +919441456585 | Hyderabad, India | 54 | 58 | Inquiry |
| FMC India Private Limited | Karnataka, India | 16 | 58 | Inquiry | |
| JSK Chemicals | +919879767970 | Gujarat, India | 3756 | 58 | Inquiry |
| Alfa Aesar | 1 800 209 7001 | Maharashtra, India | 6913 | 58 | Inquiry |
| CLEARSYNTH LABS LTD. | +91-22-45045900 | Hyderabad, India | 6351 | 58 | Inquiry |
| CHEMSWORTH | +91-261-2397244 | New Delhi, India | 6707 | 30 | Inquiry |
| TCI Chemicals (India) Pvt. Ltd. | 1800 425 7889 | New Delhi, India | 6778 | 58 | Inquiry |
| Cangzhou Lingang Xingchen Chemical Co.,Ltd. | +8613820956817 | China | 6 | 58 | Inquiry |
| Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | China | 12460 | 58 | Inquiry |
| Hebei Yanxi Chemical Co., Ltd. | +86-17531190177; +8617531190177 | China | 6011 | 58 | Inquiry |
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ithium tri-tert-butoxyaL
uminohydride
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