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HCID 95433Erstellt: 26. Oktober 2026

2-Hydroxy-2-methylbuttersure

2-HYDROXY-2-METHYLBUTANOIC ACID · 2-HYDROXY-2-METHYL-N-BUTYRIC ACID · DK764 · 2-Hydroxy-2-methylbu · 2-hydroxy-2-methyl-butanoicaci · 2-HYDROXY-2-METHYLBUTYRIC ACID · 2-Methyl-2-hydroxybutanoic acid · 2-Ethyl-2-hydroxypropionic acid

https://huagongshe.com/de/chemical/95433

Molekülstruktur von 2-Hydroxy-2-methylbuttersure

Identifikatoren & physikalische Daten

CAS No.3739-30-8
SummenformelC5H10O3
Durchschnittliche Molmasse118,13 g/mol
Monoisotopische Masse118,06299418 g/mol
SMILESCCC(C)(O)C(=O)O
InChIKeyMBIQENSCDNJOIY-UHFFFAOYSA-N
PubChem CID95433
ChEBICHEBI:68454
EC No.223-120-7
DTXSIDDTXSID70863265
Lokaler Name2-Hydroxy-2-methylbuttersure

Chemische & physikalische Eigenschaften

XLogP0,3
Polarare Oberfläche (TPSA)57,5
H-Brücken-Donoren2
H-Brücken-Akzeptoren3
Frei drehbare Bindungen2
Schwere Atome8
Formalladung0
Komplexität99,8
LipideFatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Hydroxy fatty acids [FA0105]
Schmelzpunkt74 °C73-75 °C (lit.)
Physical DescriptionSolid
Siedepunkt109 °C / 9mmHg
Dichte1.144±0.06 g/cm3(Predicted)
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitSoluble in DMSOwithin almost transparency
Aggregatzustandpowder to crystal
pKa (Säurekonstante)pK1:3.991 (18°C)
FarbeWhite to Almost white
InChI1S/C5H10O3/c1-3-5(2,8)4(6)7/h8H,3H2,1-2H3,(H,6,7)
InChIKeyMBIQENSCDNJOIY-UHFFFAOYSA-N
SMILESCCC(C)(O)C(O)=O
CAS Datenbank3739-30-8(CAS DataBase Reference)
NIST chemische Informationen2-Hydroxy-2-methylbutyric acid(3739-30-8)

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]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 (click each P-code to see the statement)Aggregated GHS information provided per 41 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Butanoic acid , 2-hydroxy-2-methyl-Butanoic acid, 2-hydroxy-2-methyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Weitere SicherheitsinformationenEvaluation - Chemicals not considered for in depth evaluation - Not commercially active in Australia
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Wassergefährdungsklasse (WGK)3
Zollcode2918199890
R-Sätze (R)36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)26-37/39
Lagerklasse11 - Combustible Solids
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3

Anwendungen & Verwendung

Verwenden

2-Hydroxy-2-methylbutyric acid can be used as:A complexing agent in a new electrolytic system, applicable in the isotachophoretic lanthanide separation.An aldehyde surrogate to prepare pyrrolo[1,2-a]quinoxaline derivatives by reacting with 2-(1H-pyrrol-1-yl)aniline.A starting material to synthesize Cr(V) reagent named sodium bis(2-hydroxy-2-methylbutyrato)oxochromate(V) (Aldrich cat. no. ALD00006) applicable in the total synthesis of ()-taxuyunnanine D.