Description

Pinacol (2,3-dimethylbutane-2,3-diol) is a high-purity diol compound with the molecular formula C₆H₁₄O₂, widely utilized in organic synthesis and research applications. This white crystalline solid (CAS 76-09-5) is known for its unique sterically hindered structure, making it a valuable precursor for pinacolone and other specialty chemicals. Our Pinacol is rigorously tested to ensure optimal purity and consistency, suitable for use in pharmaceuticals, polymer chemistry, and as a ligand in coordination chemistry. Packaged under inert conditions to maintain stability, it is ideal for laboratory-scale experiments and industrial processes requiring precise diol functionality.

Properties

• CAS Number: 76-09-5
• Complexity: 72.5
• IUPAC Name: 2,3-dimethylbutane-2,3-diol
• InChI: InChI=1S/C6H14O2/c1-5(2,7)6(3,4)8/h7-8H,1-4H3
• InChI Key: IVDFJHOHABJVEH-UHFFFAOYSA-N
• Exact Mass: 118.099379685
• Molecular Formula: C6H14O2
• Molecular Weight: 118.17
• SMILES: CC(C)(C(C)(C)O)O
• Topological: 40.5
• Monoisotopic Mass: 118.099379685
• Physical Description: White crystalline solid;
• Vapor Pressure: 0.5 [mmHg]
• Synonyms: PINACOL, 2,3-Dimethylbutane-2,3-diol, 2,3-Dimethyl-2,3-butanediol, 2,3-Butanediol, 2,3-dimethyl-, 1,1,2,2-Tetramethylethylene glycol, 2,3-Dihydroxy-2,3-dimethylbutane, 2,3-Dimethyl-2,3-dihydroxybutane, EINECS 200-933-5, UNII-527QE7I5CO, NSC 25943, BRN 1340501, 527QE7I5CO, AI3-02251, PINACOL [MI], NSC-25943, DTXSID3058793, CHEBI:131185, 4-01-00-02575 (Beilstein Handbook Reference), meso-2,3-Dimethyl-2,3-butanediol, 2,3Dimethyl2,3butanediol, DTXCID5047825, 1,1,2,2Tetramethylethylene glycol, 200-933-5, inchi=1/c6h14o2/c1-5(2,7)6(3,4)8/h7-8h,1-4h, ivdfjhohabjveh-uhfffaoysa-n, 76-09-5, Pinacone, Tetramethylethylene glycol, MFCD00004462, 2,3-Dimethyl-butane-2,3-diol, 75160-24-6, Pinacol, 98%, Pinacol, >=98%, SCHEMBL8968, SCHEMBL270701, 2,3-dimethyl-2,3-butandiol, SCHEMBL1006386, CHEMBL3289669, SCHEMBL21596510, WLN: QX1&1&XQ1&1, ADA16024, NSC25943, STL256832, AKOS007930158, AC-4658, FP16086, AS-12465, BP-21164, SY001866, CS-0015356, D0691, NS00013152, EN300-39352, D71083, Pinacol Pinacone 2,3-Dimethyl-2,3-butanediol, Q421634, 2,3-Dimethyl-2,3-butanediol, Tetramethylethylene glycol, F0001-1921, Z382716052

Application

Pinacol serves as a key intermediate in organic synthesis, particularly in the pinacol rearrangement reaction to form ketones. It is employed as a ligand in transition metal catalysis and as a building block for pharmaceutical and agrochemical compounds. Researchers also utilize it in polymer chemistry to modify resin properties and as a stabilizing agent in specialty formulations.

Safety and Hazards

GHS Hazard Statements

• H228 (74.2%): Flammable solid [Danger Flammable solids]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (19.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (12.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P240, P241, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P405, and P501

Hazard Classes and Categories

• Flam. Sol. 1 (74.2%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (19.7%)
• STOT SE 3 (12.1%)

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