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Fumaric Acid Esters
Ⅰ Chemical formula and molecular weight
●Chemical formula:C6H8O4
●Molecular weight:144.12
●CAS No.:624-49-7
Ⅱ Properties and uses
●White powder crystal,boiling point 193℃,Density 1.37 g/cm3（20℃）.
●Insoluble in ethyl acetate,chloroform,ethanol. Soluble in water sightly
●Often used for food and feeds mildew preventive.
Ⅲ Quality standard
| Specification |
First Grade |
|
Ester content,% &jinnian金年会官网下载nbsp; ≥ |
99.0 |
|
Melting point,℃ |
102～104 |
|
Involatile substance,% ≤ |
0.1 |
|
Dissociated acid（calculate as fumaric acid）,%≤ |
1 |
|
Heavy metal content（accounted as Pb）,% ≤ |
0.002 |
Ⅳ Package and storage,safety
●Packed in weave sack,net weight 25 kg/sack.
●Stored at dry,shady,ventilated place. Prevented jinnian金年会官网下载from collision and sunrays,rain-attack during handling and shipping.
●Met the high hot and clear fire or contact the oxidizing agent,caused the burning danger.
●If skin get in touch with,taking off the contaminated clothes,washed off with plenty of water and soap water thoroughly. If the eye get in touch with,rinsed out with plenty of water with the eyelid held wide open immediately for fifteen minutes. Get medical aid.
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