Ethyl 3,4-dihydroxybenzoate 3943-89-3, China Ethyl 3,4-dihydroxybenzoate 3943-89-3 Manufacturers, China Ethyl 3,4-dihydroxybenzoate 3943-89-3 Suppliers

Ethyl 3,4-dihydroxybenzoate

Category :

EC NO : 223-529-0

Molecular Formula : C₉H₁₀O₄

Main Specifications :

Synonyms : 3,4-Dihydroxybenzoic acid ethyl ester;Ethyl 3,4-dihydrobenzoate;Ethyl protocatechuate;

Package: 25KGs/fibre drum

Uses : Intermediate for synthesis of antineoplastic agent Erlotinib; Food additives

Molecular Structure:

Product description:

Items	Standards
Appearance	White or off-white crystal or powder
Assay (HPLC)	NLT 99.00%
Melting Point	132.0 ~ 135.0ºC
Related Substances	3,4-Dihydroxybenzoic acid	NMT 0.30%
	3,4-Dihydroxybenzoic acid methyl ester	NMT 0.30%
Residue on Ignition	NMT 0.30%
Loss on Drying	NMT 1.00%
Colority	NMT 150APHA
Turbidity	NMT 15NTU
Usage	Intermediate for synthesis of antineoplastic agent Erlotinib; Food additives
Package	25KGs/fibre drum

Send your inquiry to Ethyl 3,4-dihydroxybenzoate supplier

Company：	ShangHai Senyo International Trading Co.,Ltd.
Contact：	Vincent Dong
Phone：	+86-21-50327796
Mobile phone：	13524918887
Fax：	+86-21-50327797
E-mail：	sales@senyo-trading.com
Website：	http://www.senyo-trading.com
Address：	Rm306, Yuzhou•Jinqiao International, No.333 Jingang Rd, Pudong New District Shanghai
Zip Code：	201206