High quality diethyl maleate cas 141-05-9

High quality diethyl maleate cas 141-05-9

Min.Order / FOB Price:Get Latest Price

1 Metric Ton	FOB Price: USD 1.0000

1 Metric Ton

FOB Price: USD 1.0000

Min.Order :1 Metric Ton
Purity: 99%min
Payment Terms : L/C,D/A,D/P,T/T,Other

Keywords

High quality diethyl maleate cas 141-05-9 Diethyl Maleate（DEM） 141-05-9

Quick Details

Appearance:White or yellowish-white powder
Application:pharmaceutical intermediates
PackAge:25kg/ drum, or as your requirements
ProductionCapacity:100|Metric Ton|Month
Storage:regualr storage
Transportation:By air、ship and courier

Superiority:

1.Professional manufacturer

2.Best price

3.Fast delivery

4.Prompt before and after sale service

5.Quality guarantee

6.Reliable and truthworthy supplier

Details:

Diethyl Maleate（DEM）

Ⅰ  Chemical formula and molecular weight
●Chemical formula:C₈H₁₂O₄
●Molecular weight:172.17
●CAS No.:141-05-9
Ⅱ  Properties and uses
●Colourless, transparent oily liquid,b.p. 115～120℃（20mmHg）,refractive index 1.4383（25℃）.
●It is tiny to dissolve in the water,dissolving easily in the ethanol,ether.
●Used as an organic intermediate for synthesizing malathion,or as monomer for synthesizing high molecular.
Ⅲ  Quality standard

Specification	Super Grade	First Grade	Qualified Grade
Colourity（Pt-Co）,code No. ≤	20	40	60
Acid value,mgKOH/g ≤	0.10	0.15	0.20
Density（20℃）,g/cm³	1.065±0.003
Content（GC）,% ≥	97.0	95.0	93.0
Trans content（GC）,% ≤	3.0	4.0	6.0
Water content,% ≤	0.10	0.15	/

Ⅳ Package and storage,safety
●Packed in 200 liter galvanized iron drum,net weight 200 kg/drum.
●Stored at dry,shady,ventilated place. Prevented 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.