CAS 141-05-9 Diethyl Maleate (Z) -Diethyl-2-Hydroxybutenedioate /Diethyl Maleate

• Type: Pharmaceutical Intermediates
• Appearance: Liquid
• Quality: Industrial
• Colour: Transparent
• Subsize: 172.1785
• Dem Content %: 99.0 Min
• Model NO.: 141-05-9
• Def Content (Gc)%: 1.0max
• Acid Value (Mg KOH/G): 0.1 Max
• Transport Package: Barrel
• Specification: 200L
• Trademark: Spnal
• Origin: China
• Production Capacity: 50000tons / Year

Product Description

Product Description

Diethyl maleate
Chinese alias: diethyl malate; Diethyl maleate
English name: Diethyl maleate
CAS RN:  141-05-9
Subtype: C8H12O4
Subsize: 172.1785
Physical properties: density 1.064; Melting point -10°C; Boiling point 225°C; Refractive index 1.438-1.442; Flash point 93°C; insoluble
Reference quality index:

index	index
	Superior quality	Qualified product
appearance	Colorless transparent oily liquid	Colorless transparent oily liquid
DEM content %	99.0 min	97.0~99.0
DEF content (GC)%	1.0max	3.0max
Acid value (mg KOH/g)	0.1 max	0.1 max
Color number (APHA)	30max	30max
Moisture %	0.1 max	0.1 max

Uses: Used as pesticide intermediate, for the preparation of organophosphorus pesticide malathion, can also be used in the production of spice solvent, insecticide, polymer monomer, plastic additives.

Packaging & Shipping

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Environment

FAQ

Q: Are you trading company or manufacturer? 
A: We are factory with Certification of ISO9001:2008, ISO14001:2004 and OHSAS18001:2007. 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. 

Q: Do you provide samples? is it free or extra? 
A: Yes, we could offer the sample for free charge and pay the cost of freight if you sincerely test. 

Q: What is your terms of payment?
A:100% in advance