Methyl Paraben U.s.p

Chemical Name : Methyl Paraben U.S.P
Molecular Formula : C8H8O3
Molecular Weight : 152.15

Structural Formula
CAS Number : 99-76-3
Packing : 25 Kg, 20kg(4 x 5 kg)
The Shelf-life : 5 years
Storage conditions and precautions : Preserve in a well-closed containers.
Use : Antimicrobial Preservative

NO.Test Specifications
1. Description : White crystalline powder or colorless crystals.
2. Solubility : Slightly soluble in water, freely soluble in methanol
3.Identification

A. Infrared absorption : .

B. Melting Range : between 125A C and 128A C
4. Color of solution : The solution is clear and not more intensely colored than matching fluid G.
5. Acidity : Not more than 0.1 ml is required to produce a blue color.
6. Residue on Ignition : Not more than 0.1%.
7. Related Substances : The intensity of any individual secondary spot in the chromatogram of the test solution is not greater than that of the principal spot obtained in the chromatogram of standard solution A (0.5 %)