230189

Tetrabutylammonium hydroxide solution

1.0 M in methanol

• Synonym(s): N,N,N-Tributyl-1-butanaminium hydroxide, TBAH 40, Tetra-n-butylammonium hydroxide
• Linear Formula: (CH₃CH₂CH₂CH₂)₄N(OH)
• CAS Number: 2052-49-5
• Molecular Weight: 259.47
• Beilstein/REAXYS Number: 3571228
• MDL number: MFCD00009425
• UNSPSC Code: 12352100
• PubChem Substance ID: 24853780
• NACRES: NA.21

Properties

• form: liquid
• Quality Level: 200
• greener alternative product characteristics: Catalysis; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• concentration: 1.0 M in methanol
• refractive index: n20/D 1.3775
• density: 0.83 g/mL at 25 °C
• greener alternative category: , Aligned
• SMILES string: [OH-].CCCC[N+](CCCC)(CCCC)CCCC
• InChI: 1S/C16H36N.H2O/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H2/q+1;/p-1
• InChI key: VDZOOKBUILJEDG-UHFFFAOYSA-M

Description

General description

Tetrabutylammonium hydroxide is a quaternary ammonium salt mainly used as a strong base and phase-transfer catalyst.

Tetrabutylammonium hydroxide solution serves as a phase-transfer catalyst in the transesterification of soybean oil.


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Application

Tetrabutylammonium hydroxide solution (1M in methanol) may be used as a base to synthesize ring methyl and methylene deuteriated porphyrins and metalloporphyrins. It may also be used as an initiator of graft polymerization between pivalolactone and poly(ethylene-co-vinyl acetate-co-methacrylic acid).

Packaging

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Safety Information

• pictograms: GHS02,GHS06,GHS08,GHS05
• signalword: Danger
• hcodes: H225,H301 + H311 + H331,H314,H370
• pcodes: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 1
• target_organs: Eyes,Central nervous system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: 51.8 °F - closed cup
• flash_point_c: 11 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter