Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
1. Physical Properties
Appearance: Colorless to white columnar crystals or white crystalline powder, uniform particle size, no visible impurities, tasteless or slightly light taste, taste threshold 0.16%.
Melting Point: ~140℃ (decomposition).
Density: 1.665 g/cm3 (at 20℃).
Solubility: Easily soluble in water (≥100 mg/mL at 20℃, 66.7% solubility at 20℃), insoluble in ethanol; slightly soluble in other organic solvents.
Volatility: Non-volatile under normal temperature and pressure, vapor pressure 0Pa at 20℃.
Optical Activity: Optically active, specific rotation (α)D2? +18.0~+22.0° (c=2, dil. HCl).
2. Chemical Properties
Chemical Category: Amino acid derivative, amino acid salt, belonging to fine chemical products, non-toxic and non-irritating under normal use conditions.
Stability: Stable under normal temperature and pressure; stable when stored in a dry, cool and dark environment, not easy to decompose; no obvious chemical reaction with common chemical reagents, not easy to be degraded by proteases.
Identification Reaction: ① Take 5ml of 0.1% sample aqueous solution, add 1ml of ninhydrin test solution, heat for 3 minutes to show purple; ② Positive sodium salt reaction.
Chemical Structure: Cyclic stable structure, with amino and carboxyl groups, showing amphoteric properties, easy to form complexes with metal ions.
3. Safety & Application Properties
Safety: GRAS (FEMA), non-toxic, non-irritating to skin and mucous membranes under normal operation; avoid contact with strong acids and alkalis to prevent decomposition.
Application Scope: Widely used in food industry (as preservative, preservative, flavor improver, can replace monosodium glutamate), pharmaceutical industry (as pharmaceutical intermediate), chemical industry (as raw material for synthetic resin, polyaspartic acid), and also used as biochemical reagent and nutritional supplement.
Storage Requirements: Store at room temperature (RT), in a dry, cool, dark and sealed environment; avoid moisture, high temperature and direct sunlight; no need for low-temperature storage, avoid mixing with toxic and harmful substances.
Sodium L-aspartate is an important fine chemical product, which belongs to the amino acid derivative series. It is a white crystalline powder with uniform particle size, no visible impurities, and good fluidity. It has stable chemical properties, no toxic and harmful substances, and meets the industrial grade quality standards. It is easily soluble in water, slightly soluble in ethanol, and has good compatibility with common chemical reagents. As an important amino acid derivative, it is widely used in the fields of food, medicine, chemical industry and biological research. It can be used as a raw material for food additives, pharmaceutical intermediates and biochemical research reagents, providing reliable support for industrial production and scientific research.