alpha-Hydroxyisobutanoic acid
2-Hydroxyisobutyric acid
CAS: 594-61-6
Molecular Formula: C4H8O3
alpha-Hydroxyisobutanoic acid - Names and Identifiers
| Name | 2-Hydroxyisobutyric acid |
| Synonyms | 2-Methyllactic acid RARECHEM AL BO 0199 2-MethyllaCLic Acid 2-Hydroxyisobutyric acid Hydroxydimethylacetic acid A-HYDROXY-ISO-BUTYRIC ACID 2-hydroxy-2-methylpropanoate alpha-Hydroxyisobutanoic acid 3-hydroxy-2-methylpropanoic acid 2-Hydroxy-2-methylpropionic acid Propanoic acid, 2-methyl-2-hydroxy- 2-Hydroxyisobutyric acid for synthesis |
| CAS | 594-61-6 |
| EINECS | 209-848-8 |
| InChI | InChI=1/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)/p-1 |
alpha-Hydroxyisobutanoic acid - Physico-chemical Properties
| Molecular Formula | C4H8O3 |
| Molar Mass | 104.1 |
| Density | 11412 |
| Melting Point | 76-80°C(lit.) |
| Boling Point | 84°C1.5mm Hg(lit.) |
| Flash Point | 114°C/12mm |
| Water Solubility | Soluble in water, ether, alcohol, methanol and hot benzene. |
| Solubility | water: soluble10%, clear to very slightly hazy, colorless |
| Vapor Presure | 0.0398mmHg at 25°C |
| Appearance | White powder |
| Color | White to Off-White |
| BRN | 1744739 |
| pKa | pK1:3.717 (25°C,μ=0.1) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4761 (estimate) |
| MDL | MFCD00004459 |
| Physical and Chemical Properties | Density 11412 melting point 77-81°C boiling point 84°C (1.5 torr) |
| Use | For Organic synthesis |
alpha-Hydroxyisobutanoic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S25 - Avoid contact with eyes. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29181980 |
| Hazard Note | Irritant |
alpha-Hydroxyisobutanoic acid - Reference
| Reference Show more | 1. Hou Lijie, Dong Zhifang, Xu Shuai, Tan Jianwang, Dan Zhihua. The position of carboxyl groups in prepolymer and properties of polyurethane emulsion [J]. China Leather, 2017,46(01):14-20. |
alpha-Hydroxyisobutanoic acid - Introduction
Soluble in water, solubility in water: 1900g/l (22 c), soluble in methanol, ether and hot benzene, slightly soluble in cold benzene.
Last Update：2022-10-16 17:26:47
alpha-Hydroxyisobutanoic acid - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | 2-hydroxypropyl acid (acid) is a metabolite of tert-butyl methyl ether. |
| purpose | used in organic synthesis, pharmaceutical intermediates, mainly used in the synthesis of fluorenone |
Last Update：2024-04-09 20:49:11
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