Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-CHLOROMETHYLENE-MALONICACIDDIETHYLESTER
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-CHLOROMETHYLENE-MALONICACIDDIETHYLESTER
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

28783-51-9

28783-51-9 structure

28783-51-9 structure

Name: 2-CHLOROMETHYLENE-MALONICACIDDIETHYLESTER
Chemical Name: diethyl 2-(chloromethylidene)propanedioate
CAS Number: 28783-51-9
Molecular Formula: C₈H₁₁ClO₄
Molecular Weight: 206.62400
Create Date: 2018-09-26 11:05:59
Modify Date: 2025-08-25 15:29:39

Name	diethyl 2-(chloromethylidene)propanedioate
Synonyms	2-(Chloromethylene)-Propanedioic Acid 1,3-Diethyl Ester diethyl chloromethylenemalonate AC-6746 A5429 2-(Chloromethylene)malonic acid diethyl ester diethyl 2-(chloromethylene)malonate 2-Chlor-aethylen-dicarbonsaeure-(1.1)-diaethylester Chlormethylen-malonsaeure-diethylester

Density	1.198g/cm3
Boiling Point	210.5ºC at 760mmHg
Molecular Formula	C₈H₁₁ClO₄
Molecular Weight	206.62400
Flash Point	74ºC
Exact Mass	206.03500
PSA	52.60000
LogP	1.23530
Vapour Pressure	0.192mmHg at 25°C
Index of Refraction	1.462

HS Code	2917190090

20734-18-3 structure

20734-18-3

~78%

28783-51-9 structure

28783-51-9

Literature: Egri, Gabriella; Fogassy, Elemer; Novak, Lajos; Poppe, Laszlo Tetrahedron Asymmetry, 1997 , vol. 8, # 4 p. 547 - 557

626-10-8 structure

626-10-8

~%

28783-51-9 structure

28783-51-9

Literature: Liard,J.-L. et al. Bulletin de la Societe Chimique de France, 1973 , p. 3006 - 3009

33142-25-5 structure

33142-25-5

~%

28783-51-9 structure

28783-51-9

Literature: Friedrich,K.; Thieme,H.K. Chemische Berichte, 1970 , vol. 103, p. 1982 - 1991

Precursor 3
20734-18-3 626-10-8 33142-25-5
DownStream 7
5932-27-4 188761-06-0 87-13-8 6768-23-6
14111-33-2 7251-32-3 4513-67-1

HS Code	2917190090
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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