r mandelic acid-manufacture,factory,supplier from China

(Total 24 Products for r mandelic acid)
Products Description of (-)-(R)-Mandelic Acid CAS#611-71-2D-mandelic acid is a polar molecule. Because it contains hydroxyl and carboxyl groups, the molecule has a certain degree of hydrophilicity. Since D-mandelic acid is a chiral molecule, its physical and chemical properties are affected by the stereostructure of its molecule. In addition, the acid-base properties of D-mandelic acid are also affected by the molecular structure.
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Products Description of DL-Mandelic acid 99% CAS#90-64-2Mandelic acid is a large molecular weight fruit acid that is lipophilic. Compared with the common fruit acid-glycolic acid, mandelic acid has certain antibacterial ability. At the same time, compared with common glycolic acid and lactic acid, its penetration rate into Chemicalbook skin will be slower, which means that it is less irritating than glycolic acid. Its fat solubility is increased and the ability of stratum corneum to penetrate the skin is improved.
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Products Description of (S)-(+)-Mandelic acid 99% CAS#17199-29-0 Mandelic acid is white shiny crystalline powder, crystals or flakes; solubility in water: 100g/L (25℃). Soluble in alcohol and ether.
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Products Description of AMBERLITE(R) IRA-400 (CL) CAS#9002-24-8717 Strong Base Anion Exchange Resin is a chemical substance.AMBERLITE(R) IRA-400 (CL) Chemical PropertiesWater Solubility Insoluble in water.Merck 14,382Safety InformationRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3TSCA YesProduct Application of AMBERLITE(R) IRA-400 (CL) CAS#9002-24-8Used for softening water, preparing high-purity water, refining radioactive elements, extracting iodine from seaweed, refining antibiotics, industrial wastewater treatment, etc.Factory and Equipm
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Products Description of (R)-(-)-3-Carbamoymethyl-5-methylhexanoic acid CAS#181289-33-8(R)-(-)-3-(Carbamoylmethyl)-5-methylhexanoic acid is solid at room temperature and pressure, soluble in dimethyl sulfoxide, N,N-dimethylformamide and other organic solvents; it has poor solubility in ether solvents and can be used as an intermediate in chiral organic synthesis.
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Products Description of ORALITH BRILLIANT PINK R CAS#2379-74-0Reduction of pink red R to thioindigo dyes is mainly achieved by oxidizing unsubstituted or substituted benzo[b]thiophene-3 or naphtho[2,3-b]thiophene using various oxidants such as bromine in a chlorosulfonic acid medium, polysulfides, oxygen in the presence of copper salts, etc.ORALITH BRILLIANT PINK R Chemical PropertiesBoiling point 529.1±50.0 °C(Predicted)density 1.583±0.06 g/cm3(Predicted)storage temp. Sealed in dry,Room Temperatureform SolidColour Index 73360color RedLogP2.06 at 22℃ and pH7E
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Products Description of AMBERLITE(R) XAD-4 CAS#37380-42-0Ion exchange resin is a kind of functional polymer that can exchange with ions of the same sign in aqueous solution. It is essentially a cross-linked polymer acid or polymer base. Phenolic cation exchange resin was first introduced in 1935, and industrial production began in Germany in 1939 and the United States in 1941. After World War II, polystyrene and polyacrylic acid ion exchange resins were put into production one after another. After the 1960s, macroporous ion exchange resins were developed.
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Products Description of CREMOPHOR (R) A25 CAS#68439-49-6CETETH25 is a nonionic emulsifier obtained by adding natural saturated fatty alcohol and ethylene oxide. CETETH25 (HLB15-17) is an oil-in-water (O/W) emulsifier. When used together with CETETH6, it forms a pair of complementary emulsifiers. The emulsifier pair has a small amount of use and a strong emulsification ability. The prepared emulsion products have high stability and bright appearance. It can tolerate a certain degree of inorganic salts and extreme pH conditions.
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Products Description of (R)-(-)-2-Methylpiperazine CAS#75336-86-6 White to light yellow crystalline solid.
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Products Description of Octanoic acid CAS#124-07-2Caprylic acid is a medium-chain fatty acid. It has 8 carbons in its chain, so it is also called n-caprylic acid. Caprylic acid is considered an essential fatty acid, which is necessary for the proper functioning of the human body.
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Products Description of Sulfamic acid CAS#5329-14-6Aminosulfonic acid is a colorless, odorless and non-toxic solid strong acid. Its aqueous solution has the same strong acid properties as hydrochloric acid, sulfuric acid, etc., but its corrosiveness to metals is much lower than that of hydrochloric acid, etc. It is extremely toxic to the human body, but it cannot be in contact with the skin for a long time, let alone enter the eyes.Due to its strong acid properties, it is also called solid sulfuric acid.
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Products Description of Madecassic acid CAS#18449-41-7Madecassoside (MC) is the main active ingredient of triterpenoid saponins in Centella asiatica Urb., a plant of the Umbelliferae family. Studies have shown that MC has a wide range of pharmacological activities in vivo and in vitro, and can reduce collagen-induced arthritis inflammation, promote the proliferation of human fibroblasts cultured in vitro, treat or prevent hypertrophic scars and keloids, and protect myocardial ischemia-reperfusion injury.
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Diethylenetriaminepenta(methylene-phosphonic acid) Chemical PropertiesBoiling point 1003.3±75.0 °C(Predicted)density 1.35 (50% aq.)vapor pressure 0Pa at 25℃storage temp. Hygroscopic, -20°C Freezer, Under inert atmospheresolubility Aqueous Base (Sparingly), Waterform Oilpka0.59±0.10(Predicted)color Pale Yellow to BrownWater Solubility 500g/L at 25℃BRN 2068968InChIKeyDUYCTCQXNHFCSJ-UHFFFAOYSA-NLogP-3.4CAS DataBase Reference15827-60-8(CAS DataBase Reference)EPA Substance Registry SystemPhosphonic acid, [[(phosphonomethyl)imino]bis[2,1-ethanediylnitrilo
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Products Description of Kojic acid CAS#501-30-4Kojic acid, also known as kojic acid and kojic acid, is an organic acid with antibacterial effect produced by aerobic fermentation of glucose by Aspergillus candida at 30-32°C. Its molecular structure is a γ-pyrone with a substituent. Among the γ-pyrone compounds existing in nature, the only famous compounds are kojic acid and maltol. In 1907, Saito separated kojic acid crystals from rice koji. It was named by Yabuta in 1912 and its structure was determined in 1924.
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Products Description of Citric acid CAS#77-92-9Citric acid is a white, crystalline, weak organic acid present in most plants and many animals as an intermediate in cellular respiration. Citric acid contains three carboxyl groups making it a carboxylic, more specifically a tricarboxylic, acid.the name citrus originates from the Greek kedromelon meaning apple of melon for the fruit citron. Greek works mention kitron, kitrion, or kitreos for citron fruit, which is an oblong fruit several inches long from the scrublike tree Citrus medica.
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Products Description of Tannic acid CAS#1401-55-4This product is a light yellow to light brown powder with a special odor and an extremely astringent taste; soluble in 1 part of water or ethanol, soluble in acetone, and insoluble in chloroform or ether.Tannic acid Chemical PropertiesMelting point 218 °C (lit.)Boiling point 862.78°C (rough estimate)density 1.2965 (rough estimate)refractive index 1.7040 (estimate)FEMA 3042 | TANNIC ACID (QUERCUS SPP.)Fp 198°Cstorage temp. Storage temperature: no restrictions.solubility ethanol: soluble100mg/mL, yellow
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Products Description of Thiosalicylic acid CAS#147-93-3Thiosalicylic acid, o-mercaptobenzoic acid, white triclinic crystals or white solids. Soluble in ethanol and glacial acetic acid, slightly soluble in water. Used in the preparation of thioindigo dyes, and also used as a reagent for iron analysis.
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Products Description of Isonicotinic acid CAS#55-22-1Isonicotinic acid is also known as pyridine-4-carboxylic acid. White needle-shaped crystals. Odorless, can sublime. Molecular weight 123.11. Melting point 319℃. Slightly soluble in cold water, soluble in hot water, insoluble in alcohol, benzene, ether. It is an amphoteric compound, soluble in both acid and alkali. Soluble in hot water and ethanol, slightly soluble in cold water and ether.
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Products Description of 3,5-Pyridinedicarboxylic acid CAS#499-81-03,5-Pyridinedicarboxylic Acid, English name 3,5-Pyridinedicarboxylic Acid, is a chemical substance with molecular formula: C7H5NO4.3,5-Pyridinedicarboxylic acid Chemical PropertiesMelting point >300 °C (lit.)Boiling point 295.67°C (rough estimate)density 1.5216 (rough estimate)refractive index 1.6280 (estimate)storage temp. Sealed in dry,Room Temperaturesolubility 1.0g/lform Powderpka2.8(at 25℃)color White to almost whiteWater Solubility insolubleBRN 131640InChIInChI=1S/C
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Products Description of Amino tris(methylene phosphonic acid) CAS#6419-19-8Chlorotrimethylenephosphonic acid, also known as aminotrimethylenephosphonic acid (ATMP), has good chelation, low-limit inhibition and lattice distortion effects. It can prevent scale-forming salts in water from forming scale, especially calcium carbonate scale. Aminotrimethylenephosphonic acid is chemically stable in water and is not easily hydrolyzed.
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Products Description of 1,3,5-Benzenetricarboxylic acid chlorideCAS#4422-95-1White powder1,3,5-Benzenetricarboxylic acid chloride Chemical PropertiesMelting point 32-38 °C (lit.)Boiling point 180 °C/16 mmHg (lit.)density 1.487 g/mL at 25 °C (lit.)refractive index 1.5945-1.5965Fp >230 °Fstorage temp. Store below +30°C.solubility decomposesform Liquidcolor Clear colorless to slightly yellowWater Solubility decomposesSensitive Moisture SensitiveBRN 2940936CAS DataBase Reference4422-95-1(CAS DataBase Reference)NIST Chemistry
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Products Description of Alginic acid CAS#9005-32-7Alginic acid is a viscous organic acid, also known as alginic acid and alginic acid. The product is white to light yellow-brown powder. The average molecular weight is about 240,000. Melting point>300℃. It is slightly soluble in hot water, and the viscosity of its aqueous solution is 4 times higher than that of starch. It is insoluble in cold water and organic solvents, and slowly dissolves in alkaline solutions.
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Products Description of (1S)-(+)-Camphor-10-sulphonic acid CAS#3144-16-9Optically active left- and right-handed camphorsulfonic acid is an important resolving agent for chiral isomer drugs.
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Products Description of OXALIC ACID CAS#68603-87-2Oxalic acid standard solution is mostly used for quantitative detection of oxalic acid content in food and medicine. For example, oxalic acid standard solution can be used to determine the oxalic acid content in edible mushroom broth.
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Relate News
Phosphoric Acid: A Versatile Chemical CompoundPhosphoric acid, a colorless, odorless, and syrupy liquid, is a common inorganic acid. Its chemical formula is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (H⁺ ions) in aqueous solution.Properties and ProductionPhosphoric acid is a non-volatile, non-flammable, and relatively stable acid.
As early as 1780, the Swedish chemist Sheele discovered lactic acid from waste milk; the production of lactic acid by fermentation originated from the natural fermentation of Boutron and Fremy in 1941; the industrial production of lactic acid by pure fermentation was started by Charles E. Avery in 1881. began; and large-scale industrial production of L-lactic acid was formed in the early 1990s.
Acetic Acid: A Versatile Compound with Numerous ApplicationsAcetic acid, commonly known as ethanoic acid, is an organic compound with the chemical formula CH₃COOH. It’s a colorless liquid with a pungent smell and sour taste.
Tannic acid belongs to hydrolyzed tannins, which can be hydrolyzed to acid and glucose. It is one of the earliest studied tannins and has strong biological and pharmacological activities. Tannic acid is mainly rich in plants such as Chinese five seeds, Turkish seeds, tara pods, pomegranates, sumac leaves, sumac, and witch hazel trees.
Latest Developments in Acetic Acid ProductionRecent advancements in the production of acetic acid highlight a significant shift towards more sustainable and innovative methods. Acetic acid, an essential organic compound, is increasingly produced through biotechnological processes and carbon dioxide (CO2) conversion, reflecting the industry's commitment to sustainability.Bioproduction Innovations: The biological production of acetic acid is gaining traction as a sustainable alternative. Techniques such as genetic engineering are being utilized to enhance yields and reduce production costs.
Hydroxyethylidene diphosphonic acid characteristics:HEDP(Hydroxyethylidene Diphosphonic Acid) is an organic phosphoric acid and corrosion inhibitor, which can form stable complexing agent with iron, copper, zinc and other metal ions, and can dissolve oxides on the metal surface. HEDP can still play a good role in corrosion and scale inhibition at 250°C, is still very stable at high pH values, not easy to be hydrolyzed, and not easy to decompose under general light and heat conditions.
New Research Highlights the Dual Role of Formic Acid as a Food Preservative and Potential Inducer of Antibiotic ResistanceA recent study published in Frontiers in Microbiology has shed light on the complex effects of formic acid, a common food-grade preservative, on pathogenic bacteria. The research indicates that formic acid, which is approved by the FDA for use in the food industry due to its antimicrobial properties, may also induce a viable-but-non-culturable (VBNC) state in harmful bacteria such as Acinetobacter baumannii and Klebsiella pneumoniae.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
For gemstones, amber is undoubtedly the most precious kind, and it is loved and sought after. However, the formation of amber takes a very long time. Therefore, it is not as simple as it looks on the surface. It also contains rich substances, which can be extracted and used in many aspects. It can also be made into various medicines with remarkable effect. It can be said that amber not only has a beautiful appearance, but also helps in medicine.Amber's Powerful Root - Succinic AcidSuccinic acid is a colorless crystal extracted from amber by scientists in the 15th century.
Propylene Glycol Market Projected to Witness Robust Growth Amid Increasing Industrial ApplicationsThe global propylene glycol market is forecasted to exhibit a resilient expansion, with a compound annual growth rate (CAGR) of 6.1% from 2023 to 2030, reaching a valuation of USD 6.98 billion by 2030, according to a recent report by Grand View Research .
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