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Lactic acid Quick Details
Chemical Name: Lactic acid (L(+)-Lactic acid)
CAS No.:79-33-4
Molecular Fomula:C3H6O3
Chemical Structure:
Molecular weight:90.08
Typical Properties
Item | Specifications | |
Appearance | Slight yellowish to colorless liquid | white mixed granular powder |
Assay | 85%, 88%, 90%, 92%min | 58-62% |
Lactic acid 80%
| Item | Specifications |
| Chemical name | L-(+)-Lactic Acid, (S)-2-hydroxy-propanoic acid |
| Appearance | Slight yellowish to colorless, syrupy and hygroscopic liquid with slightly acid odor. |
| Stereo chemical purity(L-isomer) | Min 97% |
| Content | Min 88% |
| Color, fresh | Max 50apha |
| Sulfates | Max 10ppm |
| Chlorides | Max 10ppm |
| Sulphated ash | Max 0.05% |
| Iron | Max 10ppm |
| Total heavy metals | Max 10ppm |
| Lead | Max 0.5ppm |
| Arsenic | Max 1ppm |
| Mercury | Max 1ppm |
| Cyanide | Max 1ppm |
| Limit of Citric, Oxalic, Phosphoric and Tartaric acid | Passes test |
| Reducing sugars | Passes test |
Usage
1) Since lactic acid is part of the skin's inherent natural moisturizing factor, it is widely used as a moisturizer for many skin care products. lactic acid is the most effective type of AHA and has little irritation;
2) Since lactic acid is naturally present in the hair, the effect is to make the surface of the hair shiny and bright, so lactic acid is often used as a pH regulator for various hair care products;
3) Lactic acid can be used as a moisturizer in various toiletries, such as body lotion, strip soap and moisturizer. It can be used as a pH regulator in liquid soaps, soaps and shampoos. In addition, the addition of lactic acid in the bar soap reduces the loss of moisture during storage and thus prevents the soap from cracking.
