Description

Methylium, triphenyl-, tetrakis(2,3,4,5,6-pentafluorophenyl)borate(1-) (1:1) (CAS No. 136040-19-2) is a highly specialized organoboron compound with the molecular formula C₄₃H₁₅BF₂₀. This non-nucleophilic anion salt is widely recognized for its role as a weakly coordinating anion in catalysis, polymerization, and electrochemical applications. The compound features a stable triphenylmethylium (trityl) cation paired with a tetrakis(pentafluorophenyl)borate anion, offering exceptional thermal and chemical stability. Its unique structure makes it invaluable in olefin polymerization, Lewis acid catalysis, and as a supporting electrolyte in advanced battery research. Supplied as a high-purity solid, this reagent is rigorously tested to meet the stringent demands of academic and industrial researchers.

Properties

• CAS Number: 136040-19-2
• Complexity: 1000
• IUPAC Name: diphenylmethylbenzene;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide
• InChI: InChI=1S/C24BF20.C19H15/c26-5-1(6(27)14(35)21(42)13(5)34)25(2-7(28)15(36)22(43)16(37)8(2)29,3-9(30)17(38)23(44)18(39)10(3)31)4-11(32)19(40)24(45)20(41)12(4)33;1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h;1-15H/q-1;+1
• InChI Key: TZOSNOQHGGONMD-UHFFFAOYSA-N
• Exact Mass: 922.0947439
• Molecular Formula: C43H15BF20
• Molecular Weight: 922.4
• SMILES: [B-](C1=C(C(=C(C(=C1F)F)F)F)F)(C2=C(C(=C(C(=C2F)F)F)F)F)(C3=C(C(=C(C(=C3F)F)F)F)F)C4=C(C(=C(C(=C4F)F)F)F)F.C1=CC=C(C=C1)[C+](C2=CC=CC=C2)C3=CC=CC=C3
• Monoisotopic Mass: 922.0947439
• Physical Description: Dry Powder
• Synonyms: 136040-19-2, Triphenylcarbenium Tetrakis(pentafluorophenyl)borate, Methylium, triphenyl-, tetrakis(pentafluorophenyl)borate(1-), DTXSID40888965, Methylium, triphenyl-, tetrakis(2,3,4,5,6-pentafluorophenyl)borate(1-) (1:1), DTXCID201028235, Triphenylmethylium tetrakis(perfluorophenyl)borate, Trityl tetrakis(pentafluorophenyl)borate, MFCD03426981, Triphenylmethylium Tetrakis(pentafluorophenyl)borate, diphenylmethylbenzene;tetrakis(2,3,4,5,6-pentafluorophenyl)boranuide, trityl(tetrapentafluorophenyl)borate, Tritylium Tetrakis(pentafluorophenyl)borate, TZOSNOQHGGONMD-UHFFFAOYSA-N, C43H15BF20, YSWG286, SCHEMBL125971, BCP21047, AKOS005146071, DS-3700, SY067477, T2863, F17164, triphenylmethyliumtetrakis(perfluorophenyl)borate

Application

This compound is primarily used as a co-catalyst in metallocene-based olefin polymerization, enhancing activity and control over polymer microstructure. It also serves as a non-coordinating anion in cationic polymerization and transition metal catalysis, enabling precise reaction tuning. Additionally, its electrochemical stability makes it suitable for lithium-ion battery research as a conductive salt additive.

Safety and Hazards

GHS Hazard Statements

• H302 (97.9%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (12.5%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (12.5%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (12.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (12.5%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (91.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H372 (81.2%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
• H400 (83.3%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (83.3%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P260, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (97.9%)
• Acute Tox. 4 (12.5%)
• Skin Irrit. 2 (12.5%)
• Eye Irrit. 2 (12.5%)
• Acute Tox. 4 (12.5%)
• STOT SE 3 (91.7%)
• STOT RE 1 (81.2%)
• Aquatic Acute 1 (83.3%)
• Aquatic Chronic 1 (83.3%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.