Wholesale High Quality DL-Alanine,Basic Properties

DL-Alanine is an important chemical, with details outlined below:

1. Basic Information

Chinese Name: DL-丙氨酸

English Name: DL-Alanine

CAS Number: 302-72-7

Molecular Formula: C₃H₇NO₂

Molecular Weight: 89.09

2. Physical Properties

Appearance: White crystalline solid powder at room temperature and pressure.

Solubility: Easily soluble in hot water, soluble in water, slightly soluble in ethanol, insoluble in ether and acetone.

Melting Point: Typically 289°C to 296–300°C.

Boiling Point: Predicted at approximately 212.9±23.0°C.

Density: Reported values vary; examples include 1.124 g/mL (25/4°C) and 1.424 g/cm³.

Refractive Index: Estimated at 1.4650.

3. Chemical Properties

Acidity Constants (pKa): pK₁ of 2.35 and pK₂ of 9.87 (at 25°C).

Stability: Stable but incompatible with strong oxidizing agents.

4. Applications

·Food Additive: DL-Alanine has a unique sweetness and can enhance the flavor of chemical seasonings. It improves the taste of artificial sweeteners and is used as a flavor enhancer, nutritional supplement, and feed additive. In food processing, DL-Alanine is used in pickling vegetables to improve the pickling effect, shorten pickling time, and enhance flavor. It can also act as an acidity corrector and buffer in sake and cool beverages, prevent foaming in aged alcoholic beverages, and reduce yeast odor.

·Raw Material for Vitamin B6: DL-Alanine is a key raw material in the production of Vitamin B6.

·Biochemical Reagent: Used in basic biochemical research, DL-Alanine serves as a synthetic precursor for amino acid derivatives and is valuable in producing amino acid-based nutrients and pharmaceutical molecules.

5. Safety Information

·Hazard Symbol: Xi (Irritant).

·Risk Phrases: 36/37/38 (Irritating to eyes, respiratory system, and skin).

·Safety Phrases: 22-24/25-36-26 (Avoid inhalation and contact with skin and eyes; use appropriate protective equipment).

6. Precautions

·Follow relevant safety protocols and precautions when handling DL-Alanine.

·Avoid direct contact with skin and eyes. If contact occurs, rinse immediately with plenty of water and seek medical attention.

·Avoid inhaling its dust or vapor. Wear appropriate personal protective equipment during use.

·Store in a cool, dry, well-ventilated area, away from fire and heat sources.

DL-Alanine is an important chemical with broad applications in food additives, vitamin manufacturing, and biochemical research. During use and storage, all relevant safety regulations and operational guidelines should be strictly followed.