China High Quality Best Price Methyl Paraben Raw Powder (CAS 99-76-3), Find details about China CAS 99-76-3, Pharma Grade 99% Methylparaben from High Quality Best Price Methyl Paraben Raw Powder (CAS 99-76-3)
High Quality Best Price Methyl paraben Raw Powder (CAS 99-76-3 )
Chemical Name: Methyl Paraben
Other name: Methylparaben, Methyl Paraben, Methyl p-hydroxybenzoate, Nipagin M
CAS No:99-76-3
Molecular Formula:C8H8O3
Molecular Weight:152.15
Physical and Chemical Properties: This product is white crystalline. It is easily dissolved in alcohol, ether, acetone, and slightly dissolved in water. Its boiling point is 270-280ºC.
Basic Information
Assay (on dry base ) % | 98.0-102.0 |
Melting Point ºC | 125-128 |
Acidity | Passed |
Residue on Ignition % | ≤0.1 |
Sulphated Ash % | ≤0.05 |
Color of Solution | Passed |
Appearance of Solution | Passed |
Related Substances % | ≤0.5 |
Heavy Metal (Pb) ppm | ≤10 |
Residual Solvents ppm | ≤3000 |
Loss on Drying % | ≤0.5 |
Microbiological contamination c.f.u. | <100 |
1. It has the physiological functions of promoting cell growth, promoting wound healing, softening the stratum corneum protein and restoring the skin or tissue. It is a good skin wound healing agent and can be used to relieve dry skin disease, scaly skin disorders, wounds and ulcers. External skin preparations.
2. It can promote the water absorption capacity of the skin and the outermost layer of the hair, prevent the loss of water, make the skin soft, shiny and elastic, so that the hair does not bifurcate or break.
3. It can be used as a preparation cream, lotion, face cream, hair cream, hair growth agent, sunscreen, lipstick, shaving cream, acne cream, oral cavity.
Specification
Product Name | Methyl Paraben | |
Expiry Date | 2 years | |
Inspection Satndard | USP29 | |
Item | Specification | Result |
Appearance | White crystalline powder | Comply |
Purity(on dry base)% | 99.0-100.5 | 99.3 |
Melting point | 125-128 | 126.4 |
Acid | Passed | Passed |
Identification | A. Infrared absorption Spectrophotometry B.Thin-Layer Chromatographic | Passed |
Residue % | ≤ 0.1 | 0.030 |
Loss on drying % | ≤0.50 | 0.35 |
Heavy metal (Pb) | ≤10ppm | 3ppm |
Organic Volatile Impuritie | Passed | Passed |
Related Substances | Passed | Passed |
Appearance of solution | clear | Passed |