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Acetic acid,sodium salt trihydrate

Molecular formula: CH3COONa.3H20
Molecular weight: 136.08
Property: it is colorless crystal. and it is soluble in water and alcohol and lightly soluble in acetic acid; specific gravity:1.45; melting point: 58℃.
Uses: It is a kind of chemical material used in dye, pharmaceutical, chemical reagent fields and etc.
Chemical reagent Acetic acid,sodium salt trihydrate quality index

Name guarantee reagent analytically pure chemical pure
content(CH3COONa.3H20)% ≥99.5 ≥99.0 ≥98.0
ph(50g/125℃)(5%aqueous solution) 7.5-9.0 7.5-9.0 7.5-9.0
clarity test qualified qualified qualified
water insoluble % ≤0.002 ≤0.002 ≤0.002
chloride (Cl)% ≤0.0003 ≤0.001 ≤0.003
sulfate (S04)% ≤0.002 ≤0.005 ≤0.005
phosphate(PO4)% ≤0.0002 ≤0.0002 ≤0.0005
aluminum(Al)% ≤0.0005 ≤0.0005 ≤0.001
potassium(k)% ≤0.002    
calcium(Ca)% ≤0.001 ≤0.002 ≤0.005
Ferrum(Fe)% ≤0.0002 ≤0.0002 ≤0.0005
Copper(Cu)% ≤0.0005 ≤0.0005 ≤0.001
Lead(Pb)% ≤0.0005 ≤0.0005 ≤0.001
Potassium perman-ganate(CHOOH)% ≤0.005 ≤0.01 ≤0.02

Pharmaceutical Acetic acid,sodium salt trihydrate quality index

content(CH3COONa.3H20)% ≥99.5
ph(50g/125℃)(5%aqueous solution) 7.5-9.0
clarity test qualified
water insoluble% ≤0.005
chloride (Cl)% ≤0.001
sulfate (S04)% ≤0.005
phosphate(PO4)% ≤0.0005
magnesium(Mg)% ≤0.001
calcium(Ca)% ≤0.025
Ferrum(Fe)% ≤0.0003
Lead(Pb)% ≤0.001
arsenic(As)% ≤0.0002
readily oxidizable substance% qualified

Industrial Acetic acid,sodium salt trihydrate quality index

content(CH3COONa.3H20)% 58-60
free acid% ≤0.03
water insoluble% ≤0.04
chloride (Cl)% ≤0.04
Ferrum(Fe)% ≤0.0002

Food Acetic acid,sodium salt trihydrate quality index

content(CH3COONa.3H20)% 99-100
free alkali% ≤0.12
potassium(K)% ≤0.01
Lead(Pb)% ≤0.0005
arsenic(As)% ≤0.0001
free water %  ≤0.1