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Succinic anhydride

 

Succinic anhydride

Introduction: 
Succinic anhydride (also called Butanedioic anhydride) is a colorless acicular and granular crystal with the molecular
 formula C4H4O3, soluble in ethanol, trichloromethane and carbon tetrachloride. As important organic intermediates,
it is widely used in pharmaceutical, pesticide, food processing, coating, synthetic resin and dye industry.
Product Name:Succinic anhydride
CAS Numbe: 108-30-5
EINECS: 203-570-0

Molecular Structur:

Molecular Formula:C4H4O3
Molecular Weigh:100.07
Product Properties
Melting point: 118 ºC
Boiling point: 261 ºC
Water solubility: <0.1 g/100 mL at 21 ºC (decomposes)

Technical data:

Name

Specification (%)

NO.

Item

Food grade

Industrial grade

1

Appearance  

White sheet solid

White sheet solid

2

Content %

≥99.0

≥98.0

3

Free succinic acid%

≤0.3

≤1.2

4

Unsaturates (maleic anhydride) % 

≤0.2

≤1.5

5

Melting point   

118-120

115-118

6

Sulfide              %

≤0.04

≤0.05

7

Chloride            %

≤0.015

≤0.02

8

Heavy metal         %

≤0.001

≤0.0018

9

Ignition residue     %

≤0.01

≤0.02

Packed in 25kg Plastic weaved bag or 25kg Cardboard drum

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