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Parabens

Parabens Parabens
Product name : Parabens
Item : 8
Details :
1.Methyl Paraben


Product Description

Methyl p-Hydroxybenzoate

Chemical Name: Methyl 4-hydroxybenzoate

Trade Name: Methyl paraben

Molecular Formula: C8H8O3

Molecular Weight: 152.15

CAS#: 99-76-3

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 270-280 C.

Quality Specification:

Item Specification
Q/SH008-2000 B. P2000 USP29-NF24
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: It is packed with plastic bags. Each has 1 kg. A box holds 20 bags(paperboard box). It is also packed by hardboard drums within double PE linings. Each drum has net weight of 25kg or 50kg.

2. Propyl Paraben

Product Description

Chemical Name Propyl p-Hydroxybenzoate
CAS Number 94-13-3
Molecular Formula C10H12O3
Molecular Weight 180.2
Molecular Structure
Packing 25kg/drum
Capacity 40T/M
Storage Keep tightly closed in light-resistant containers.
Application This product is mainly used as antiseptics in foodstuff, medicine and cosmetics. It can also be used in feed as antiseptics.

SPECIFICATION
ITEMS SPECIFICATION
Appearance White powder
Melting Point 96.0~98.0
Residue on Ignition ≤ 0.1%
Sulphated Ash ≤ 0.05%
Color of Solution Meets the requirements
Appearance of Solution Meets the requirements
Acidity Meets the requirements
Related Substances ≤ 0.5%
Heavy Metals (Pb) ≤ 10ppm
Loss on Drying ≤ 0.5%
Assay (on dried basis) 99.0 ~ 100.5 %
Standard BP2008/USP32