Product Name

  • Name

    2,4-Dimethoxybenzeneboronic acid

  • EINECS -0
  • CAS No. 133730-34-4
  • Article Data10
  • CAS DataBase
  • Density 1.19 g/cm3
  • Solubility
  • Melting Point 125-127 °C(lit.)
  • Formula C8H11BO4
  • Boiling Point 361.1 °C at 760 mmHg
  • Molecular Weight 181.984
  • Flash Point 172.2 °C
  • Transport Information
  • Appearance white to beige or pink moist powder
  • Safety 37/39-26-36/37
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 133730-34-4 (2,4-Dimethoxybenzeneboronic acid)
  • Hazard Symbols IrritantXi
  • Synonyms Boronicacid, (2,4-dimethoxyphenyl)- (9CI);(2,4-Dimethoxyphenyl)boronic acid;2,4-Dimethoxyphenylboronic acid;
  • PSA 58.92000
  • LogP -0.61640

2,4-Dimethoxybenzeneboronic acid Specification

The CAS register number of 2,4-Dimethoxyphenylboronic acid is 133730-34-4. It also can be called as Boronic acid, B-(2,4-dimethoxyphenyl)- and the IUPAC name about this chemical is (2,4-dimethoxyphenyl)boronic acid. The molecular formula about this chemical is C8H11BO4 and the molecular weight is 181.98. It belongs to the following product categories, such as Blocks; BoronicAcids; Substituted Boronic Acids; Boronic acids; Boronic Acid; Alkoxy; Aryl; Organoborons; B (Classes of Boron Compounds); Boronic Acids; Boronic Acids and Derivatives and so on. This chemical is stable under normal temperature and pressure. When you are using it, please keep it in a closed container and storage temperature must at 0-6 °C.

Physical properties about 2,4-Dimethoxyphenylboronic acid are: (1)ACD/LogP: 1.30; (2)ACD/LogD (pH 5.5): 1.3; (3)ACD/LogD (pH 7.4): 1.29; (4)ACD/BCF (pH 5.5): 5.73; (5)ACD/BCF (pH 7.4): 5.58; (6)ACD/KOC (pH 5.5): 121.4; (7)ACD/KOC (pH 7.4): 118.33; (8)#H bond acceptors: 4; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 5; (11)Polar Surface Area: 36.92Å2; (12)Index of Refraction: 1.517; (13)Molar Refractivity: 46.01 cm3; (14)Molar Volume: 151.8 cm3; (15)Polarizability: 18.24x10-24cm3; (16)Surface Tension: 43 dyne/cm; (17)Enthalpy of Vaporization: 64.03 kJ/mol; (18)Boiling Point: 361.1 °C at 760 mmHg; (19)Vapour Pressure: 7.61E-06 mmHg at 25°C.

Uses of 2,4-Dimethoxyphenylboronic acid: it can be used to produce 4-(2,4-dimethoxy-phenyl)-chromen-2-one with 4-chloro-chromen-2-one at heating. This reaction will need reagent aq. Na2CO3, catalyst Pd(PPh3)4 and solvent benzene, ethanol with reaction time of 22 hours. The yield is about 88%.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O(c1cc(OC)ccc1B(O)O)C
(2)InChI: InChI=1/C8H11BO4/c1-12-6-3-4-7(9(10)11)8(5-6)13-2/h3-5,10-11H,1-2H3
(3)InChIKey: SQTUYFKNCCBFRR-UHFFFAOYAG
(4)Std. InChI: InChI=1S/C8H11BO4/c1-12-6-3-4-7(9(10)11)8(5-6)13-2/h3-5,10-11H,1-2H3
(5)Std. InChIKey: SQTUYFKNCCBFRR-UHFFFAOYSA-N

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