Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player

Products

Methyl Paraben N.F

SYSTEM MANUAL
ISSUE NO : 01
Document No.
Revision No.
Effective date
Page
QAI/Q/03/15
02
1-Jul-07
1 of 1
METHYL PARABEN N.F
 
Chemical Name Methyl 4-Hydroxybenzoate
 Molecular Formula C8H8O3
 Molecular Weight 152.15



 Structural Formula
 Methyl Paraben I.P Manufacturer
 Grade  NF-25
 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
Observation
1.
 Description White crystalline powder or colorless crystals.
2.
 Solubility Slightly soluble in water, freely soluble in alcohol and in methanol
3.
 Identification

A. Infrared absorption <197M>.

B. Melting Range <741>:between 125°C and 128°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 %)
9.

 Organic volatile  Impurities

Method IV <467>. Meets the requirements.

10.
 Assay, w/w Not less than 98.0% and not more than 102.0% of C8H8O3.
Copyright © 2011. Gujarat Organics Limited
Designed and Developed by Master Computech Pvt. Ltd.