Description

2,2′-(p-Phenylenedioxy)diethanol (CAS No. 104-38-1) is a high-purity aromatic diol compound with the molecular formula C₁₀H₁₄O₄. This versatile chemical, also known as Hydroquinone bis(2-hydroxyethyl) ether, features two terminal hydroxyl groups and an aromatic phenylenedioxy core, making it valuable for polymer synthesis and specialty chemical applications. The compound appears as a white to off-white crystalline solid with excellent solubility in polar organic solvents. With a molecular weight of 198.22 g/mol, it serves as a crucial building block in the production of polyesters, polyurethanes, and epoxy resins. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied with comprehensive analytical documentation including HPLC, FTIR, and NMR spectra for research and industrial applications.

Properties

• CAS Number: 104-38-1
• Complexity: 116
• IUPAC Name: 2-[4-(2-hydroxyethoxy)phenoxy]ethanol
• InChI: InChI=1S/C10H14O4/c11-5-7-13-9-1-2-10(4-3-9)14-8-6-12/h1-4,11-12H,5-8H2
• InChI Key: WTPYFJNYAMXZJG-UHFFFAOYSA-N
• Exact Mass: 198.08920892
• Molecular Formula: C10H14O4
• Molecular Weight: 198.22
• SMILES: C1=CC(=CC=C1OCCO)OCCO
• Topological: 58.9
• Monoisotopic Mass: 198.08920892
• Physical Description: Other Solid
• Synonyms: 104-38-1, 1,4-Bis(2-hydroxyethoxy)benzene, Hydroquinone bis(2-hydroxyethyl) ether, Vernatzer 30/10, 2,2′-(p-Phenylenedioxy)diethanol, 2,2′-(Phenylenedioxy)diethanol, Hydroquinone diethylol ether, Hydroquinone di(2-hydroxyethyl) ether, 2,2′-p-Phenylenedioxydiethanol, NSC 1862, 1,4-(2-Hydroxyethoxy)benzene, Ethanol, 2,2′-(1,4-phenylenebis(oxy))bis-, Ethanol, 2,2′-(p-phenylenedioxy)di-, Ethanol, 2,2′-[1,4-phenylenebis(oxy)]bis-, Bis(beta-hydroxyethyl) hydroquinone ether, 1,4-Bis(beta-hydroxyethoxy)benzene, EINECS 203-197-3, N2PVM9C37Q, 1,4-Bis(.beta.-hydroxyethoxy)benzene, p-Phenylenebis(beta-hydroxyethyl) ether, Hydroquinone di(beta-hydroxyethyl) ether, Hydroquinone bis(beta-hydroxyethyl) ether, NSC-1862, p-di(2-hydroxyethoxy)benzene, hydroquinone dihydroxyethyl ether, EC 203-197-3, P-PHENYLENE BIS(.BETA.-HYDROXYETHYL ETHER), Ethanol, 2,2′-(p-phenylenedioxy)di-(8CI), P-PHENYLENE BIS(BETA-HYDROXYETHYL ETHER), 203-197-3, Hydroquinone bis(2-hydroxyethyl)ether, 2,2′-(1,4-Phenylenebis(oxy))diethanol, 2-[4-(2-Hydroxyethoxy)phenoxy]ethanol, 1,4-Di(2-hydroxyethoxy)benzene, 2,2′-(1,4-Phenylenedioxy)diethanol, 2-[4-(2-hydroxyethoxy)phenoxy]ethan-1-ol, DTXSID5026702, 2,2′-[1,4-phenylenebis(oxy)]diethanol, p-Phenylenebis(.beta.-hydroxyethyl) ether, Hydroquinone di(.beta.-hydroxyethyl) ether, Bis(.beta.-hydroxyethyl) hydroquinone ether, Hydroquinone bis(.beta.-hydroxyethyl) ether, Ethanol,2′-(p-phenylenedioxy)di-, 41675-76-7, Ethanol,2′-[1,4-phenylenebis(oxy)]bis-, Hydroquinone, di(.beta.-hydroxyethyl) ether, MFCD00002861, UNII-N2PVM9C37Q, SCHEMBL48239, CBDivE_003503, DTXCID806702, SCHEMBL2152577, SCHEMBL3921149, CHEMBL3185174, NSC1862, HMS1578K16, 1,4-bis(2′-hydroxyethoxy)benzene, 1,4-Bis-(2-hydroxyethoxy)benzene, NSC26611, Tox21_200746, NSC-26611, AKOS015889507, FH40568, hydroquinone bis (2-hydroxyethyl) ether, NCGC00248819-01, NCGC00258300-01, BS-14346, CAS-104-38-1, 2-[4-(2-Hydroxyethoxy)phenoxy]ethanol #, 2-[4-(2-hydroxy-ethoxy)-phenoxy]-ethanol, CS-0076493, D1065, NS00006299, ST50405362, Hydroquinone bis(2-hydroxyethyl) ether, 98%, D70297, EN300-221305, Q27284430, F0001-0087, InChI=1/C10H14O4/c11-5-7-13-9-1-2-10(4-3-9)14-8-6-12/h1-4,11-12H,5-8H

Application

2,2′-(p-Phenylenedioxy)diethanol is primarily used as a monomer in polymer chemistry for synthesizing specialty polyesters and polyurethanes with enhanced thermal stability. The compound serves as a chain extender in polyurethane systems, improving mechanical properties in elastomers and coatings. Researchers utilize this diol in developing epoxy resin modifiers and as a precursor for liquid crystal polymers due to its rigid aromatic core and flexible hydroxyethoxy termini.

Safety and Hazards

GHS Hazard Statements

• H315 (69.5%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (69.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (69.5%)
• Eye Irrit. 2 (69.5%)

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