Bp USP Pharma Grade Methyl 4-Hydroxybenzoate Methyl P-Hydroxybenzoate CAS 99-76-3

• CAS No.: 99-76-3
• Formula: C8h8o3
• EINECS: 202-785-7
• Type: Pharmaceutical Intermediates
• Appearance: White Crystalline Powder
• Quality: Refined
• Model NO.: MP
• Colour: White
• Certificate: Reach ISO
• Transport Package: 25kg/Drum or Carton
• Specification: Pharm grade
• Trademark: EBT Chem
• Origin: China
• HS Code: 29182900
• Production Capacity: 22000 Ton/ Year

Product Description

Methyl 4-hydroxybenzoate

DESCRIPTION

INCI Adopted Name:	Methyl Paraben
CAS Registry No.:	99-76-3
EINECS No.:	202-785-7
Molecular Formula:	C8H8O3
Molecular Weight:	152.15
Structural Formula:
Synonyms:	Methyl p-Hydroxybenzoate; Methyl 4-hydroxybenzoate 4-Hydroxybenzoic acid, methyl ester

SPECIFICATIONS

Item	Index
	Q/SH008-2014/ BP/ USP
Appearance	Colorless crystal or white crystalline powder
Content (dry basis)%	Min. 99.0
Melting point ºC	125-128
Acidity	Qualified
Sulfate (SO42-) %max.	0.024
Drying loss %max.	0.50
Residue on ignition %max.	0.1
P-hydroxybenzoic acid and salicylic acid %max.	0.1
Related substances	Qualified
Identification test	Qualified

PROPERTIES
Methyl 4-hydroxybenzoate
Appearance :white crystal.
Solubility: Easily soluble in diethyl ether, acetone. Very slightly soluble in cold water, hot water. 1 gram dissolves in about 40 ml of warm oil. 1 gram dissolves in about 70 ml of warm glycerol. Slightly soluble in carbon tetrachloride. Soluble in benzene, oils and fats. Solubility in water: 0.25% (wt/wt) @20 deg. C or 0.30% (wt/wt) @ 25 deg.C


PACKAGING
Methyl 4-hydroxybenzoate Standard packaging includes the following:
25kg per drum, 25kg/carton
Other package sizes are available upon request.


STORAGE
Methyl 4-hydroxybenzoate  Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.

PERIOD OF VALIDITY
36 months

APPLICATION
Methyl 4-hydroxybenzoate  is Broad spectrum bactericide for gram positive, feminine germ and saccharomycetes;
Low application concentration, safe, economic, long serve life;
Recommended dosage: 0.2%~0.5%
Methyl 4-hydroxybenzoate is widely used in cosmetic, medical and food industry for preservation.