Lactic Acid (Food Grade) CAS#50-21-5
High Solubility: Lactic acid possesses outstanding miscibility, fully miscible with water, ethanol and glycerol,slightly soluble in organic solvents, easy to blend evenly in various food formulations.
Stable pH: It presents stable weak acidity, maintains stable chemical property after moderate heating, no obvious deterioration or volatilization under normal storage environment.
Versatile Uses: Widely used as food acidulant, flavor enhancer, preservative aid and pH regulator in food processing industry.
Liquid State & Characteristic: This product is colorless clear viscous liquid with mild sour taste, low volatility and good fluidity, easy for pipeline transportation and precise dosing production.
Lactic acid, characterized by the molecular formula C₃H₆O₃, is colorless transparent viscous liquid conforming to food grade safety standards. It has mild sour flavor, excellent biological compatibility and strong antibacterial activity, widely recognized and applied in global food additive field.
Lactic Acid Chemical Properties
| Property | Value |
|---|---|
| Melting point | 18 °C (lit.) |
| Density | 1.209 g/cm³ |
| Vapor density | 3.1 (vs air) |
| Refractive index | 1.426-1.428 |
| Storage temp | Store below +25°C, sealed away from light |
| Solubility | Miscible with water, ethanol, glycerol |
| Form | Viscous liquid |
| Color | Colorless to pale yellow |
| Odor | Mild characteristic sour odor |
| PH Range | 2.0-3.0 at 100 g/L |
| PH | 2.4 (100g/l, H₂O, 20℃) |
| Water Solubility | Completely miscible |
| Sensitive | Hygroscopic |
| Merck | 14,5207 |
| BRN | 1071244 |
| Stability | Stable, incompatible with strong oxidants, strong bases |
| InChIKey | JVTAAEKCZFNVCJ-UHFFFAOYSA-M |
| CAS DataBase Reference | 50-21-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Lactic acid(50-21-5) |
| EPA Substance Registry System | 2-Hydroxypropanoic acid (50-21-5) |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | 36/38 |
| Safety Statements | 26-39 |
| WGK Germany | 1 |
| RTECS | OD2800000 |
| F | No fire hazard |
| TSCA | Yes |
| HS Code | 2918110000 |
This compound is largely used in beverages, confectionery, pickled food, bakery, meat products and dairy products as acidulant and flavor modifier. It also acts as food preservative synergist, dough regulator and food freshener. Besides, it is applied in feed industry, daily chemical skin care raw materials, pharmaceutical intermediate, plant growth regulator and biodegradable material raw materials.
