USD $100.00-100.00 / Kilogram
USD $18.00-20.00 / Kilogram
USD $10.00-10.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $100.00-100.00 / Kilogram
USD $100.00-100.00 / Kilogram
USD $10.00-10.00 / Kilogram
product name: methyl paraben
chemical name: methyl 4-hydroxybenzoate
cas registry number: [ 99-76-3 ]
molecular formula: c8h8o3
molecular weight: 152.15
structural formula:
item |
specification
|
appearance |
white powder
|
purity % |
99.0-100.5
|
melting point ℃ |
125-128
|
residue % |
≤0.1
|
heavy metal (pb) |
≤10ppm
|
acidity |
not more than 0.1mol of 0.1m naoh solution is required |
id by ir
|
complies
|
color of solution |
clear |
applications:with its broad-spectrum antibacterial activity, it has ability that thelow concentrations, broad-spectrum efficient, economy, security, and long useful-life ,compare with the traditional products (such as: sodium benzoate). as a preservative it is widely used in cosmetics, medicine, food and other industrial products. the materials can be used alone, and also can be compounded with other nipagin esters to get a better preservative effect. it also can be compatible with various components in the cosmetics.