4-Tolylboronic acid CAS NO.5720-05-8

1. Introduction of 4-Tolylboronic acid

4-Tolylboronic acid (CAS NO.5720-05-8) is a similar white solid powder and commonly used as a intermed

1. Introduction of 4-Tolylboronic acid

4-Tolylboronic acid (CAS NO.5720-05-8) is a similar white solid powder and commonly used as a intermediate. Our 4-Tolylboronic acid is ≥98%(HPLC) and can be manufactured 10 metric ton per year. It is in stock and can be ordered from the min. 1 kilogram. Besides, the FOB price of this chemical is 0-100000 USD/kilogram. Whereas, we'd like to receive from the L/C or T/T.

Other specification:

Appearance: Similar white solid powder
Assay: ≥98%(HPLC)
Synonyms: p-Methyl phenylboronic Acid
Formula:    C₇H₉BO₂
M.W.:       135.96
Feature:   Similar white powder,   mp 256-263°C 
Packaging: 25KG/NET Fiber Drum with double lined plastic bag inside

Packaging Details: Fiber Drum Size: diameter 350mm x height 500mm,tare weight: 2.8-2.9kg 
                             PE bag: width 600mm x height 900mm xthickness 0.06mm



As an OLED intermediate, 1028647-93-9 is also used as organic chemicals and derivatives/others, OLED, OLED materials,pharm chemical and electronic chemical.

2. Basic information of 4-Tolylboronic acid

1) Properties:

(1)H-Bond Donor: 2; (2)H-Bond Acceptor: 2; (3)Rotatable Bond Count: 1; (4)Exact Mass: 136.06956; (5)MonoIsotopic Mass: 136.06956; (6)Topological Polar Surface Area: 40.5; (7)Heavy Atom Count: 10; (8)Complexity: 97.8; (9)Covalently-Bonded Unit Count: 1.

2) Descriptors of Structure

IUPAC Name: (4-methylphenyl)boronic acid
InChI: InChI=1S/C7H9BO2/c1-6-2-4-7(5-3-6)8(9)10/h2-5,9-10H,1H3
InChIKey: BIWQNIMLAISTBV-UHFFFAOYSA-N
Canonical SMILES: B(C1=CC=C(C=C1)C)(O)O

3) Safety Information

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36-37/39
WGK Germany: 3
RTECS: XS7400000
Hazard Note: Irritant
HazardClass: IRRITANT

4) Application



4-Tolylboronic acid (CAS NO.5720-05-8) and 4-iodo-3,5-dimethyl-isoxazole can be used to produce the 3,5-dimethyl-4-p-tolyl-isoxazole. The temperature of this reaction is 80 °C. It needs need reagents (PPh₃)₂PdCl₂, NaHCO₃ and solvents 1,2-dimethoxy-ethane, H₂O with reaction time of 18 hours. The yield of this reaction is about 98%.