Description

2-Hydroxy-4-(Methylthio)Butyric Acid Calcium Salt is a vital calcium salt derivative of a methionine hydroxy analogue, serving as a highly bioavailable source of methionine for animal nutrition. This compound matters because it provides a stable, non-dusty, and efficient alternative to DL-Methionine, supporting optimal growth, feed conversion, and protein synthesis in livestock and poultry. It is primarily needed by feed additive manufacturers, premix producers, and the global animal husbandry industry seeking to enhance dietary amino acid profiles.

Application

• Feed Additive: A critical source of methionine in poultry, swine, and aquaculture feed formulations to balance amino acids and improve growth performance.
• Ruminant Nutrition: Used in dairy and beef cattle feed as a rumen-protected methionine source to enhance milk protein yield and overall metabolic health.
• Pet Food Enrichment: Incorporated into premium dog and cat food to ensure complete and balanced nutrition supporting skin, coat, and overall health.
• Aquafeed: Essential in shrimp and fish feed to meet specific sulfur amino acid requirements, promoting growth and improving feed efficiency.
• Pharmaceutical Intermediates: Serves as a potential building block or precursor in the synthesis of more complex pharmaceutical compounds.
• Biochemical Research: Utilized in laboratory studies as a standard or reagent in metabolic and nutritional research pathways.

Basic Information

Product Name	2-Hydroxy-4-(Methylthio)Butyric Acid Calcium Salt
CAS No.	922-50-9
Molecular Formula	C10H18CaO6S2
Molecular Weight	338.45 g/mol
Synonyms	Calcium 2-Hydroxy-4-(Methylthio)Butyrate; Calcium Methionine Hydroxy Analogue; MHA-Ca; Methionine Hydroxy Analogue Calcium Salt; 2-Hydroxy-4-(Methylthio)Butanoic Acid Calcium Salt; Hydroxy Methionine Calcium; Alimet® (Analog); Rhodimet® AT 88 (Analog)
EINECS	213-081-3

Quality Control

Our 2-Hydroxy-4-(Methylthio)Butyric Acid Calcium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for feed-grade applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profiles, and physical parameters is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in its original, moisture-proof packaging. Keep away from incompatible materials such as strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white granular powder
Identification (IR)	Conforms
Assay (as C10H18CaO6S2)	≥ 97.0%
Calcium Content	11.0 - 13.0%
Methionine Hydroxy Analogue Content	≥ 84.0%
Loss on Drying	≤ 1.5%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 2 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.