Oilfield Chemicals:Tetrakis hydroxymethyl phosphonium sulphate (THPS)|Polyaspartic acid Potassium salt|Cenospheres|Welan Gum-Water Treament Chemicals:1,2,3-Benzotrialole (BTA)|DBNPA|Polyacrylic Acid (PAA)|Ammonium Bisulfite 54% (ABS)- Fine Chemicals:Cinnamic Acid|Arbutin|Guanidine hydrochloride|Tert-Amyl alcohol-Phosphates:Sodium Hypophosphite|Sodium Tripolyphosphate(STPP)|Tetrakis(hydroxymethyl)phosphonium chloride (THPC)|Sodium Hexametaphosphate(SHMP) ---Shanghai Rich Chemicals Co., Ltd.

Products > Fine Chemicals & Pharmaceutical Intermediates

Methyl-4-hydroxybenzoate,Methyl Paraben

Trade name:

Methyl-4-hydroxybenzoate

Molecular formula:

C₈H₈O₃

Molecular weight:

152.2

Properties:

It is white moisture-adsorbing powder.

Quality standard:

ITEMS	SPECIFICATONS
ITEMS	BP2000	USP24
Characters	white crystalline powder	/
Purity(%)	99.0 ~ 100.5	99.0~100.5
Melting point ?	125~128	125~128
Acidity	Qualified	Qualified
Sulfate sulphate (SO4)%=	/	/
Loss on drying%=	0.5	0.5
Ignition residue%=	0.1	0.1
Solution characters	clear transparent	/
Related substances	in accordance with the standard of BP2000
Volatile organic	/	in accordance with the standard of USP24

Packing:

Net wt 25kg in PE bag lined cardboard drum (4 bags/drum).

Storage:

Sealed, kept in clean, cool and dry place.