 Methyl
p-Hydroxybenzoate |
 Chemical
Name: |
:methyl 4-hydroxybenzoate |
| Trade
Name: |
methyl paraben |
| Molecular
Formula: |
C8H8O3 |
| Molecular
Weight: |
152.15 |
| CAS#: |
:99-76-3 |
| Structural
Formula: |
 |
| Physical
& Chemical Properties: |
This product is white crystalline.
It is easily dissolved in alcohol, ether, acetone, and slightly
dissolved in water. Its boiling point is 270-280°C. |
| Quality
Specification: |
| Item |
Specification |
| Q/SH008-1999 |
B.P1998 |
USP24 |
| Characters |
/ |
Colorless crystals or
white crystalline powder |
/ |
| Purity (on dry base)
% |
99.0 |
99.0-100.5 |
99.0-100.5 |
| Melting Point °C |
125-128 |
125-128 |
125-128 |
| Acidity |
qualified |
qualified |
qualified |
| Sulfate(SO42-) % ≤ |
0.024 |
/ |
/ |
| Loss on Drying % ≤ |
0.50 |
0.50 |
0.5 |
| Residue % ≤ |
0.10 |
0.10 |
0.1 |
| p-Hydroxybenzoic Acid
and Salicylic Acid % ≤ |
0.10 |
/ |
/ |
| Related Substances |
/ |
qualified |
/ |
| Appearance
of Solution |
/ |
Clear |
/ |
| Organic Volatile impurities |
/ |
/ |
qualified |
| Identification |
/ |
/ |
qualified |
|
| Usage:
|
This product is mainly used as antiseptics
in foodstuff, medicine and cosmetics. It can also be used in
feed as antiseptics. |
| Package: |
Packed in 25 kg plastic knit bag . Other packages are negotiable otherwise. |
|
