propylparaben food grade >99% Supplier - Zhejiang Shengxiao Chemicals Co.,Ltd
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propylparaben food grade >99%

Description :

 

Propyl p-Hydroxybenzoate

 

Basic Information

Product Number:SX2004

Chemical name: 4-Hydroxybenzoic acid propyl ester
Product name:Propyl 4-hydroxybenzoate
Molecular formula:C10H12O3
Molecular weight:180.20
CAS No.:94-13-3

EINECS No.: 202-307-7

 

Physical and chemical properties

Melting point: 95-98 °C(

Boiling point: 133°C

Density : 1.0630g/cm3

Refractivity: 1.5050

FEMA: 2951
Appearance: white crystal.

Solubility: Easily soluble in alcohol and ether, almost insoluble in water.

Relative density is (d4102) 1.0630, refractive index is (nD102)1.5050. 

 

Detailed Description
Quality standard

Item

Index

Q/SH 024-2016

BP

USP

Appearance

/

Colorless crystal or white crystalline powder

/

Content (dry basis) % ≥

99.0-100.5

99.0-100.5

98.0-102.0

Melting point ℃

95-98

96-99

96-99

Acidity

/

Qualified

Qualified

Sulfate (SO42-) % ≤

0.024

/

/

Heavy metal (Pb) % ≤

0.001

/

/

Arsenic (AS) % ≤

0.0001

/

/

Drying loss % ≤

0.50

/

0.50

Residue on ignition % ≤

0.05

0.1

0.1

Mass fraction of free acid (PHBA)% ≤

0.55

/

/

Identification test

/

/

Qualified

Related substances

/

Qualified

/

Appearance

/

Clear and transparent

/

Organic volatile impurities

/

/

Qualified

 

Application

The product is mainly used as preservative of cosmetics, drugs and feeds. It is also used in feed as antiseptics.


Packing

Plastic bag, 1kg/bag, 20 bags/carton, or cardboard drum lined with plastic bag, net weight is 25kg or 50kg. 
*Special requirements can be negotiated

 

Seller Info :

Zhejiang Shengxiao Chemicals Co.,Ltd

Product Details :

Brandshengxiao chemical
Cas Number94-13-3
Appearancewhite crystalline powder
Gradefood grade
Purity>99%

Categories :

Preservative
About Suppliers :
Zhejiang Shengxiao Chemicals Co.,Ltd
Quzhou Ebright Chemicals Co., Ltd was first established in 1987, now is developing into supplier of Preservatives, Biocides,UV Filters and Active Ingredients for the personal care and pharmaceutical industries. Our product range are as follows, 1. Preservatives: Allantoin, diazolidinyl urea, imid Read More..
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