Description

3,3′-Dimethylbisphenol A (CAS No. 79-97-0) is a high-purity bisphenol derivative with the molecular formula C₁₇H₂₀O₂. This compound, also known by its IUPAC name 4-[2-(4-hydroxy-3-methylphenyl)propan-2-yl]-2-methylphenol, is a white to off-white crystalline powder widely used in polymer synthesis and specialty chemical applications. With a molecular weight of 256.34 g/mol, it exhibits excellent thermal stability and reactivity, making it a valuable intermediate in the production of advanced epoxy resins, polycarbonates, and flame retardants. Our product is rigorously tested to ensure ≥98% purity (HPLC) and is supplied with comprehensive analytical documentation, including GC/MS and NMR spectra. Suitable for research, industrial, and pharmaceutical applications, it is packaged under inert gas to ensure long-term stability.

Properties

• CAS Number: 79-97-0
• Complexity: 272
• IUPAC Name: 4-[1-(4-hydroxy-3-methyl-phenyl)-1-methyl-ethyl]-2-methyl-phenol
• InChI: InChI=1S/C17H20O2/c1-11-9-13(5-7-15(11)18)17(3,4)14-6-8-16(19)12(2)10-14/h5-10,18-19H,1-4H3
• InChI Key: YMTYZTXUZLQUSF-UHFFFAOYSA-N
• Exact Mass: 256.146329876
• Molecular Formula: C17H20O2
• Molecular Weight: 256.34
• SMILES: CC1=C(C=CC(=C1)C(C)(C)C2=CC(=C(C=C2)O)C)O
• Topological: 40.5
• Monoisotopic Mass: 256.146329876
• Color/Form: Needles from xylene
• Boiling Point: 238-240 °C at 12 mm Hg
• Melting Point: 140 °C
• Refractive Index: Index of refraction = 1.569
• Synonyms: 79-97-0, 3,3′-Dimethylbisphenol A, Dicresylolpropane, Nonox DCP, 3,3′-Dimethyldian, 4,4′-Isopropylidenedi-o-cresol, Phenol, 4,4′-(1-methylethylidene)bis[2-methyl-, Bis-o-cresol A, 2,2-Bis(3-methyl-4-hydroxyphenyl)propane, NSC 408489, o-Cresol, 4,4′-(2,2-propylene)bis-, o-CRESOL, 4,4′-ISOPROPYLIDENEDI-, 4,4′-propane-2,2-diylbis(2-methylphenol), EINECS 201-240-0, BRN 2053755, 4,4′-Isopropylidenebis(2-methylphenol), DTXSID8047890, AI3-61721, 4,4′-(1-Methylethylidene)bis(2-methylphenol), Phenol, 4,4′-(1-methylethylidene)bis(2-methyl-, 98817I7XJ2, NSC-408489, 2, 2-Bis(3-methyl-4-hydroxyphenyl)propane, DTXCID4027866, HSDB 8092, B 1567, 2,2 BIS(4-HYDROXY-3-METHYLPHENYL)PROPANE, 4-06-00-06751 (Beilstein Handbook Reference), PHENOL, 4,4′-(1-METHYLETHYLIDENE)BIS(2-METHYL)-, 4,4′-Isopropylidenebis[2-methylphenol], 4-(1-(4-HYDROXY-3-METHYLPHENYL)-1-METHYLETHYL)-2-METHYLPHENOL, 3,3-Dimethyldian, 3,3,-dimethyl-bisphenol A, 2,2 Bis (4-hydroxy-3-methylphenyl) propane, 4,4,-(1-methyl-ethylidene) bis (2-methylphenol), Phenol, 4, (1-methylethylidene) bis (2-methyl-9CI), 4-(2,2-dichloro-1-(4-hydroxyphenyl)ethenyl)phenol, bisphenol c, 2,2-Bis(4-hydroxy-3-methylphenyl)propane, 4,4′-(Propane-2,2-diyl)bis(2-methylphenol), 4-[2-(4-hydroxy-3-methylphenyl)propan-2-yl]-2-methylphenol, CHEBI:34321, CHEMBL2392777, UNII-98817I7XJ2, MFCD00002232, 4,4′-(1-methyl-ethylidene)bis[2-methyl phenol], Oprea1_808602, SCHEMBL35285, 4,4′-(1-Methyl-ethylidene)bis[2- Methyl phenol], BIDD:ER0206, o-Cresol,4′-isopropylidenedi-, SCHEMBL8176638, YMTYZTXUZLQUSF-UHFFFAOYSA-, KUC105974N, Tox21_200554, BDBM50523938, KSC-7-288, NSC408489, o-Cresol,4′-(2,2-propylene)bis-, AKOS001043955, WLN: QR B1 DY1&1R DQ C1, CCG-244242, Bisphenol C 100 microg/mL in Methanol, CAS-79-97-0, WLN: QR B1 DX1&1&R DQ C1, NCGC00248697-01, NCGC00248697-02, NCGC00258108-01, AS-65412, 2,2-Bis-(4-hydroxy-3-methylphenyl)propane, 2.2-bis(3-methyl-4-hydroxyphenyl) propane, B1567, CS-0172109, NS00014630, ST50307609, EN300-17225, Phenol,4′-(1-methylethylidene)bis[2-methyl-, 2,2-bis(4′-hydroxy-3′-methylphenyl)-propane, AB01330395-02, 2,2-Bis(4-hydroxy-3-methylphenyl)propane, 97%, SR-01000596929, 2 pound not2-Bis(4-hydroxy-3-methylphenyl)propane, Q9658055, SR-01000596929-1, 4-[1-(4-hydroxy-3-methylphenyl)-isopropyl]-2-methylphenol, InChI=1/C17H20O2/c1-11-9-13(5-7-15(11)18)17(3,4)14-6-8-16(19)12(2)10-14/h5-10,18-19H,1-4H3

Application

3,3′-Dimethylbisphenol A is primarily used as a monomer in the synthesis of high-performance polymers, including modified epoxy resins with enhanced thermal and mechanical properties. It serves as a key intermediate in the production of flame-retardant additives for plastics and coatings. Researchers also utilize this compound in studies exploring structure-property relationships in bisphenol-based materials.

Safety and Hazards

GHS Hazard Statements

• H315 (88.2%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (86.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (88.2%)
• Eye Irrit. 2 (98%)
• STOT SE 3 (86.3%)

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