Product Name

  • Name

    4-Methylcatechol

  • EINECS 207-214-5
  • CAS No. 452-86-8
  • Article Data119
  • CAS DataBase
  • Density 1.21 g/cm3
  • Solubility soluble in water
  • Melting Point 67-69 °C(lit.)
  • Formula C7H8O2
  • Boiling Point 247.7 °C at 760 mmHg
  • Molecular Weight 124.139
  • Flash Point 121.1 °C
  • Transport Information UN 2811
  • Appearance white to brown powder or chunks
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 452-86-8 (4-Methylcatechol)
  • Hazard Symbols IrritantXi
  • Synonyms Pyrocatechol,4-methyl- (6CI,8CI);1,2-Dihydroxy-4-methylbenzene;1-Methyl-3,4-dihydroxybenzene;2-Hydroxy-4-methylphenol;3,4-Dihydroxytoluene;4-Methyl-1,2-benzenediol;4-Methyl-1,2-dihydroxybenzene;4-Methylbenzcatechin;4-Methylpyrocatechol;5-Methylcatechol;Homocatechol;Homopyrocatechol;NSC 17489;Toluene-3,4-diol;p-Methylcatechol;p-Methylpyrocatechol;
  • PSA 40.46000
  • LogP 1.40620

4-Methylcatechol Specification

The CAS register number of 4-Methylcatechol is 452-86-8. It also can be called as 3,4-Dihydroxytoluene and the IUPAC name about this chemical is 4-methylbenzene-1,2-diol. The molecular formula about this chemical is C7H8O2 and the molecular weight is 124.14. It belongs to the following product categories, such as Aromatic Hydrocarbons (substituted) & Derivatives; Pharmaceutical Intermediate and so on. This chemical is used for sterilizing mold in photosensitive materials and made into apple-type flavor. As an intermediate, it is used for synthesizing antibacterial agent and antioxidant. It is also used as high performance inhibitor. This chemical can be produced by the oxidation of Natural 4 - methyl guaiacol. If you want to store this chemical, please keep it in a tightly closed container and store it in a cool, dry place.

Physical properties about 4-Methylcatechol are: (1)ACD/LogP: 1.34; (2)ACD/LogD (pH 5.5): 1.34; (3)ACD/LogD (pH 7.4): 1.34; (4)ACD/BCF (pH 5.5): 6.14; (5)ACD/BCF (pH 7.4): 6.11; (6)ACD/KOC (pH 5.5): 127.64; (7)ACD/KOC (pH 7.4): 127; (8)#H bond acceptors: 2; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 18.46Å2; (12)Index of Refraction: 1.594; (13)Molar Refractivity: 34.84 cm3; (14)Molar Volume: 102.5 cm3; (15)Polarizability: 13.81x10-24cm3; (16)Surface Tension: 51.6 dyne/cm; (17)Enthalpy of Vaporization: 50.45 kJ/mol; (18)Boiling Point: 247.7 °C at 760 mmHg; (19)Vapour Pressure: 0.016 mmHg at 25°C.

Preparation: this chemical can be prepared by 2-methoxy-4-methyl-phenol. This reaction will need reagent concentrated hydriodic acid.

Uses of 4-Methylcatechol: it can be used to produce 4-bromo-5-methyl-pyrocatechol. This reaction will need reagent acetic acid and bromine.

 

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. 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: Oc1ccc(cc1O)C
(2)InChI: InChI=1/C7H8O2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3
(3)InChIKey: ZBCATMYQYDCTIZ-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C7H8O2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3
(5)Std. InChIKey: ZBCATMYQYDCTIZ-UHFFFAOYSA-N

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