(S)-(+)-2-Methylbutyric acid, CAS No. 1730-91-2

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1730-91-2

Catalog No. EBD3315716

CAS 1730-91-2

Name (S)-(+)-2-Methylbutyric acid

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Basic Information

Synonyms: rarechemalbo1316 butanoicacid,2-methyl-,(2s)- (s)-(+)-2-methylbutyricacid98% (s)-(+)-2-methylbutyricacid,98% (s)-2-methylbutanoicacid (S)-(+)-2-Methylbutyricacid (2R)-2-methylbutanoicacid

Molecular Formula: C5H10O2

Molecular Weight: 102.13

Categories: Functional Chemicals > Food Additives and Ingredients > Food Flavors and Fragrances Functional Chemicals > Cosmetics and Synthetic Ingredients > Cosmetic-grade Fragrances Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

(S)-(+)-2-Methylbutyric acid is a chiral, short-chain fatty acid with a characteristic fruity, cheesy, or sweaty odor. It is a colorless to pale yellow liquid. Its structure features a carboxylic acid group attached to a chiral carbon bearing a methyl and an ethyl group, making it a useful chiral building block. This compound is primarily valued as a flavor and fragrance ingredient. It occurs naturally in various foods like apples, strawberries, and cheese, contributing to their characteristic aromas. In the food industry, it is used as a flavoring agent to impart fruity, cheesy, or fermented notes. In perfumery and cosmetics, it serves as a fragrance component and a precursor for esters used in creating complex scent profiles. Beyond its organoleptic applications, (S)-(+)-2-methylbutyric acid is employed as a chiral intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals where stereochemistry is crucial. It is also used in the synthesis of liquid crystals and other specialty chemicals.

Physical Properties

Boiling Point: 78 °C/15 mmHg(lit.)

Flash Point: 165 °F

Density: 0.938 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.406(lit.)

Storage: 2-8°C

Safety Information

Packing Level: II

Hazard Category: 8

Transport Codes: 3265

Analytical Data

Appearance: clear colorless liquid