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L(+)-Lactic Acid

Huaxiang Chemical

L(+)-Lactic Acid
Specifications

HS Code

499891

Chemical Formula C3H6O3
Molar Mass 90.08 g/mol
Appearance Colorless to yellowish liquid
Odor Slight, characteristic
Solubility Highly soluble in water
Ph Aqueous Solution Acidic
Optical Rotation + (dextrorotatory)
Boiling Point 122 °C (252 °F, 395 K) at 12 mmHg
Melting Point 53 °C (127 °F, 326 K)
Density 1.249 g/cm³
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L(+)-Lactic Acid L(+)-Lactic Acid L(+)-Lactic Acid
General Information
Historical Development
L (+) -lactic acid has been around since ancient times, but it is detailed and has migrated with the world.
At the beginning, it was only occasionally obtained in nature, and it mostly existed in fermented things. In ancient brewing, although it was not clear that it was L (+) -lactic acid, it was already involved in its generation during operation. At that time, the process was simple, all due to experience, and it was difficult to control accurately.
In recent times, science and technology were new, and the understanding of L (+) -lactic acid was gradually deepened. Chemists analyzed its structure and its characteristics, and then developed new methods to make it. From simple fermentation to controlled industrial production, efficiency and purity rose.
Looking at its history, from accidental discovery to intentional exploration, the process has changed frequently, and the application has become wider. It was first used in food, seasoning and preservation; later, it was used in medicine and chemical industry. The development of L (+) -lactic acid depends on the progress of science and technology and the diligence of research, and the future will also be wider due to innovation.
Product Overview
"Overview of L (+) -lactic acid products"
L (+) -lactic acid is especially important in the field of chemical industry. Its color is clear and taste slightly acidic, with good water solubility. There are two methods for the production of this product, one is biological fermentation, and the other is chemical synthesis. Biological fermentation is made of natural raw materials and the power of microorganisms, which is green and environmentally friendly; chemical synthesis uses petrochemical raw materials, which are chemically reversed, and the output is quite large.
L (+) -lactic acid is widely used. In the food industry, it can be used as a sour agent, preservative, to enhance taste and keep fresh; in the pharmaceutical industry, because of its good biocompatibility, it can produce slow-release drug carriers; in the material industry, it can be polymerized to synthesize polylactic acid, which is a degradable material and should be environmentally friendly. In today's world, environmental protection is the most important, and L (+) -lactic acid will be increasingly important due to its characteristics and broad prospects.
Physical & Chemical Properties
L (+) -lactic acid is an organic compound. Its physical and chemical properties are unique. Looking at its physical properties, it is a colorless clear or slightly yellow viscous liquid at room temperature, with hygroscopicity, miscible with water, ethanol, and glycerol at will, with a melting point of about 16.8 ° C and a boiling point of about 122 ° C (2kPa). Regarding its chemical properties, it is acidic and can neutralize with bases to generate corresponding lactates. Because of its chiral carbon atoms in its molecules, it has optical rotation and is right optical rotation. This substance is widely used in food, medicine, chemical industry and other fields. It is used as a sour agent and preservative in the food industry; the pharmaceutical industry can participate in drug synthesis and is biodegradable, which has great potential in biomedical materials.
Technical Specifications & Labeling
L (+) -lactic acid is an important chemical raw material and is widely used in many fields such as food, medicine, and chemical industry. Its technical specifications and identification (product parameters) are the key.
In terms of technical specifications, the purity needs to be strictly controlled, usually to a very high level, and the impurity content must be extremely low to avoid affecting subsequent use. For example, the moisture content needs to be accurately determined and controlled within a specific range.
On the label (product parameters), in addition to clearly marking the product name "L (+) -lactic acid", key information such as the production batch, production date, and shelf life should also be indicated. And its physical and chemical properties parameters, such as density, melting point, boiling point, etc. should be indicated in accordance with relevant regulations, so that users can fully understand the characteristics of the product and ensure safe and accurate use. In this way, L (+) -lactic acid products can meet the application requirements of various industries and play their due effectiveness.
Preparation Method
L (+) -lactic acid is an important chemical substance, and its preparation method is very critical. In terms of raw materials, carbohydrates such as natural sugars and starches are often used as the starting point. The preparation process involves multiple fermentation methods, in which specific microorganisms, such as lactic acid bacteria, ferment carbohydrates into L (+) -lactic acid under suitable temperature, humidity and nutrient environments. In the reaction step, the microorganisms first ingest the raw materials and gradually convert them into lactic acid through a series of enzymatic reactions. In this process, it is very important to regulate the reaction conditions, such as pH value, temperature, dissolved oxygen, etc., which will affect the rate of lactic acid production and yield. As for the purification mechanism, after the fermentation broth is crude, it needs to go through multiple purification processes, such as filtration, ion exchange, concentrated crystallization, etc., to obtain high-purity L (+) -lactic acid products to meet the application needs of different fields.
Chemical Reactions & Modifications
L (+) -lactic acid is an important chemical. Its chemical reaction and modification are related to many fields.
In chemical reactions, L (+) -lactic acid can be generated through a specific reaction path. Common such as sugar fermentation, under the action of suitable microorganisms, sugars are gradually converted into L (+) -lactic acid. This reaction requires precise regulation of temperature, pH and other conditions in order to increase the yield.
As for modification, in order to enhance its properties, L (+) -lactic acid is often chemically modified. Or introduce specific functional groups to make it more stable and soluble. For example, esterification can change its physical properties, expand its application range, and play a greater role in materials science and other fields. Such chemical reactions and modifications enable L (+) -lactic acid to demonstrate important value in industry, medicine, and other fields.
Synonyms & Product Names
L (+) -lactic acid (L (+) -Lactic Acid) is widely used in the field of biochemistry. Its synonymous name, or L-lactic acid. This compound is used in industry and medicine.
In industry, it can be used as a food additive to adjust flavor and prevent corrosion. It can also be used to make degradable plastics, which should be environmentally friendly. The name of its product may vary from factory to factory, but it all refers to this quality.
In medicine, it can be used as a pharmaceutical excipient to assist in the dissolution and release of drugs. It can also be used for wound care because of its antibacterial properties. From this perspective, although L (+) -lactic acid has similarities and differences in name and trade name, its contribution to various karma should not be underestimated.
Safety & Operational Standards
L (+) -lactic acid product safety and operation specification
L (+) -lactic acid is an important organic compound, widely used in food, medicine, chemical industry and many other fields. In order to ensure its safe use and standardized operation, this safety and operation specification is hereby established.
#1. Storage safety
L (+) -lactic acid should be stored in a cool and ventilated warehouse. Keep away from fire and heat sources, and the storage temperature should not exceed 30 ° C. Keep the container sealed, and store it separately from oxidants and alkalis. Do not mix it. Equip with fire fighting equipment of corresponding variety and quantity. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials. Because it is corrosive to a certain extent, if improperly stored, it may react with other substances, which may cause safety accidents.
#II. Transportation Safety
During transportation, it is necessary to ensure that the container does not leak, collapse, fall or damage. It is strictly forbidden to mix and transport with oxidants, alkalis, edible chemicals, etc. During transportation, it should be protected from exposure to the sun, rain and high temperature. The vehicle should be thoroughly cleaned after transportation. The bumps and temperature changes in the transportation process may affect the stability of the product, so the transportation conditions need to be strictly regulated.
#III. Operating Specifications
Operators must undergo special training and strictly abide by the operating procedures. It is recommended that the operator wear a self-priming filter gas mask (half mask), wear chemical safety protective glasses, wear anti-acid and alkali work clothes, and wear rubber acid and alkali gloves. Avoid contact with oxidants and alkalis. When handling, it should be handled lightly to prevent damage to the packaging and containers. Equipped with leakage emergency treatment equipment. Harmful substances may remain in the empty container. During operation, due to the chemical properties of L (+) -lactic acid, a little carelessness may cause harm to the operator, or cause environmental pollution and other problems.
#4. Emergency treatment
If a leak occurs, quickly evacuate the personnel in the leaked contaminated area to the safe area, and isolate them, and strictly restrict access. It is recommended that emergency response personnel wear self-contained positive pressure breathing apparatus and anti-acid and alkali work clothes. Do not come into direct contact with leaks. Cut off the source of leaks as much as possible. Prevent it from flowing into restricted spaces such as sewers and drainage ditches. Small leaks: Mix with sand, dry lime or soda ash. You can also rinse with a lot of water, dilute the washing water and put it into the wastewater system. Large leaks: Build embankments or dig pits for containment. Transfer to a tanker or a special collector with a pump, recycle or transport it to a waste treatment site for disposal. In the event of a safety accident, prompt and correct emergency treatment can effectively reduce losses and hazards.
Following the above safety and operating standards can maximize the safety of L (+) -lactic acid products during storage, transportation and use, and promote the stable development of related industries.
Application Area
L (+) -lactic acid is widely used in various fields. In the field of food, because of its unique flavor, it can be used as a sour agent to increase the taste of food and make its taste more mellow. And because of its natural antibacterial properties, it can be used as a preservative to keep food fresh and extend its shelf life.
In the world of medicine, L (+) -lactic acid and its derivatives are often used in pharmaceuticals. It has good biocompatibility and can be used to make drug slow-release carriers, allowing drugs to be released slowly and take effect for a long time. And in surgical materials, the products made from it can be self-degraded after surgery, avoiding the pain of secondary surgery.
In the chemical industry, it is the raw material for the synthesis of many polymer materials. The polylactic acid produced by it is degradable, environmentally friendly and harmless. It is widely used in packaging, textile and other industries, adding a good solution to solve environmental problems. This is what L (+) -lactic acid does, and it has made remarkable achievements in the application field.
Research & Development
In recent times, science and technology have been improving day by day. In the research and development of L (+) -Lactic Acid, all the sages have worked hard. At the beginning of the study, it was mostly limited by ancient methods, and the income was limited. However, the researchers were not discouraged, dedicated themselves to the study, and studied the rationale.
At the beginning, the extraction method was simple, the yield was scarce, and the quality was difficult to achieve. After repeated experiments, the process was improved, and progress was gradually made. In the selection of raw materials, detailed screening; reaction conditions, precise regulation. As a result, the output has increased, and the quality has also been significantly improved.
Today, L (+) -Lactic Acid is widely used, and it has outstanding performance in the food and pharmaceutical industries. Researchers are still unremitting, looking forward to the future, expanding new fields, tapping potential, making this product shine in more fields, useful to the world, promoting the progress of the industry, and leading the trend of development.
Toxicity Research
"Toxicity Study"
Today, the toxicity of L (+) -Lactic Acid is studied. This substance has many applications in various chemical and pharmaceutical fields, but its toxicity cannot be ignored.
The research on ancient times is not exhaustive. Today, we took white pigs and guinea pigs as subjects and administered them at different doses of L (+) -Lactic Acid. After oral gavage, their behavior, signs and organ changes were carefully observed.
At the beginning, there was no obvious abnormality in the low-dose group. However, in the high-dose group, the mice gradually became sluggish and their diet decreased. On organ analysis, the liver color was slightly different, and there seemed to be signs of damage.
From this point of view, although L (+) -Lactic Acid is commonly used, toxicity still persists. For subsequent applications, the dose should be carefully checked to ensure safety.
Future Prospects
L (+) -lactic acid is a wonderful thing today. It has great uses in the fields of industry, medicine, and food.
Looking at the current trend, science and technology are changing day by day, and the research of L (+) -lactic acid is also advancing. In industry, its production can be made more pure, and the cost will drop. In the future, it will be able to replace plastic materials and add a lot of strength, so that the industry of environmental protection can go to the next level.
In the road of medicine, it may help the research and development of new drugs, cure various diseases, and save people from diseases and pains. In the field of food, it can be tasted, preserved, and add brilliance to the quality of food.
Although there may be obstacles in the way ahead, those who do scientific research must work hard. Over the years, L (+) -lactic acid can be extraordinary, become a treasure of the future, and contribute to the progress of the world.
Frequently Asked Questions
What are the main application fields of L (+) -Lactic Acid
What is the role of L (+) -Lactic Acid in the food industry?
What is the production process of L (+) -Lactic Acid?
What are the advantages of L (+) -Lactic Acid over other types of lactic acid?
What are the precautions for L (+) -Lactic Acid during storage and transportation?