Description

3-Hydroxy-2,2-dimethylpropionic acid (CAS No. 4835-90-9), also known as Hydroxypivalic acid, is a versatile organic compound with the molecular formula C₅H₁₀O₃. This white crystalline solid is widely utilized in pharmaceutical, agrochemical, and specialty chemical synthesis due to its unique structural properties. As a hydroxy acid with a quaternary carbon center, it serves as a valuable building block for the preparation of esters, polymers, and other functionalized derivatives. Its high purity and consistent quality make it an ideal choice for research and industrial applications requiring precise chemical intermediates. Store in a cool, dry place away from strong oxidizing agents.

Properties

• CAS Number: 4835-90-9
• Complexity: 95.8
• IUPAC Name: 3-hydroxy-2,2-dimethyl-propanoic acid
• InChI: InChI=1S/C5H10O3/c1-5(2,3-6)4(7)8/h6H,3H2,1-2H3,(H,7,8)
• InChI Key: RDFQSFOGKVZWKF-UHFFFAOYSA-N
• Exact Mass: 118.062994177
• Molecular Formula: C5H10O3
• Molecular Weight: 118.13
• SMILES: CC(C)(CO)C(=O)O
• Topological: 57.5
• Monoisotopic Mass: 118.062994177
• Synonyms: 4835-90-9, 3-Hydroxy-2,2-dimethylpropanoic acid, Hydroxypivalic acid, 3-Hydroxy-2,2-dimethylpropionic acid, Propanoic acid, 3-hydroxy-2,2-dimethyl-, UNII-BJP2CXK56P, BJP2CXK56P, EINECS 225-419-8, HYDROXY PIVALIC ACID, NSC 115936, NSC-115936, DTXSID4063616, 2,2-DIMETHYLHYDRACRYLIC ACID, 2,2-dimethyl-3-hydroxypropanoic acid, HYDRACRYLIC ACID, 2,2-DIMETHYL-, .ALPHA.,.ALPHA.-DIMETHYL-.BETA.-HYDROXYPROPIONIC ACID, DTXCID1040617, ALPHA,ALPHA-DIMETHYL-BETA-HYDROXYPROPIONIC ACID, 225-419-8, rdfqsfogkvzwkf-uhfffaoysa-n, 3-Hydroxypivalic acid, 2,2-Dimethyl-3-hydroxypropionic acid, MFCD00059953, 3-?Hydroxypivalic Acid, beta-hydroxy pivalic acid, SCHEMBL38932, SCHEMBL3815609, SCHEMBL5855982, SCHEMBL6595154, 3-Hydroxy-2,2-dimethylpropanoicacid, AC7895, GEO-01199, NSC115936, SBB053589, AKOS006229590, 2,2-dimethyl-3-hydroxy propanoic acid, 2,2-Dimethyl-3-hydroxy propionic acid, 2,2-dimethyl-3-hydroxy-propionic acid, 3-hydroxy-2,2-dimethyl-propionic acid, CS-W011224, 3-Hydroxy-2,2-dimethylpropanoic acid #, AC-29208, AS-15428, BP-30038, FH142384, SY017233, DB-027504, H0661, NS00022219, EN300-65050, 3-Hydroxy-2,2-dimethylpropanoic acid, AldrichCPR, AQ-917/40987623, Q27274706, Z997726628, 3-hydroxy-2,2-dimethyl-propanoicaci;Propanoic acid, 3-hydroxy-2,2-dimethyl-

Application

3-Hydroxy-2,2-dimethylpropionic acid is commonly employed as a key intermediate in the synthesis of pharmaceuticals, particularly for prodrugs and active pharmaceutical ingredients (APIs). It finds application in the production of specialty polymers and resins, where its hydroxyl and carboxyl functionalities enable crosslinking and modification of material properties. Additionally, this compound is used in agrochemical formulations and as a precursor for fragrances and fine chemicals.

Safety and Hazards

GHS Hazard Statements

• H315 (40.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (96.7%): 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+P354+P338, P317, P319, P321, P332+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (40.4%)
• Eye Dam. 1 (100%)
• STOT SE 3 (96.7%)

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