90795

Tributyl borate

≥99.0% (T)

• Sinônimo(s): Boric acid tributylester, Tributoxyborane
• Fórmula linear: [CH₃(CH₂)₃O]₃B
• Número CAS: 688-74-4
• Peso molecular: 230.15
• Beilstein: 1703865
• Número CE: 211-706-5
• Número MDL: MFCD00009434
• Código UNSPSC: 12352103
• ID de substância PubChem: 57653407
• NACRES: NA.22

Propriedades

• densidade de vapor: 7.95 (vs air)
• Ensaio: ≥99.0% (T)
• forma: liquid
• índice de refração: n20/D 1.409 (lit.); n20/D 1.409
• pb: 114-115 °C/12 mmHg (lit.); 230-235 °C (lit.)
• pf: −70 °C (lit.)
• densidade: 0.853 g/mL at 25 °C (lit.)
• cadeia de caracteres SMILES: CCCCOB(OCCCC)OCCCC
• InChI: 1S/C12H27BO3/c1-4-7-10-14-13(15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3
• chave InChI: LGQXXHMEBUOXRP-UHFFFAOYSA-N

Descrição

Descrição geral

Tributyl borate is an organoboron compound, that is often used as a reagent in organic synthesis for the preparation of various boronic acid derivatives, which are widely used in Suzuki coupling reactions in the synthesis of biaryls and other organic molecules. It is also used as a catalyst in a range of organic reactions, including the transesterification of esters and Biginelli reactions.

Aplicação

Tributyl borate can be used as:    

• A catalyst in the synthesis of dihydropyrimidinone derivatives via the Biginelli reaction.   
• A boron oxide source to prepare carbon nanotube-B₂O₃ nanocomposite by solvothermal method.

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H315,H319,H335
• Declarações de precaução: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classificações de perigo: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 10 - Combustible liquids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): 158.0 °F - closed cup
• Ponto de fulgor (°C): 70 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter