3,4-Dihydroxybenzaldehyde

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Min. Order25Kg/Drum
Purity99-101%
Cas No139-85-5
Update time2021-01-28

Qingdao kaimoshi biochemical technology co., ltd.

VIP7Y

China

Since:2016-09-21

Address:Room 409, 96 Hong Kong Middle Road, Shinan District, Qingdao City, Shandong Province ,China

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Chemical Properties

Product Name	3,4-Dihydroxybenzaldehyde
CAS No	139-85-5
EC-No
Min. Order	25Kg/Drum
Purity	99-101%
Release date	2021/01/28

Protocatechualdehyde Basic information

Description

Product Name: Protocatechualdehyde

Synonyms: 3, 4-DIHYDROXYLBENZALDEHYDE;3,4－Dihydroxybenzyl aldehyde;pyrocatechualdehyde;3,4-DIHYDROXYBENZALDEHYDE (PROTOCATECHUIC ALDEHYDE);3,4-Dihydroxybenzaldehyde ,98%;4-Formylcatechol;3,4-Dihydroxybenzaldehyde,97%;PROTOPINE(RG)

CAS: 139-85-5

MF: C7H6O3

MW: 138.12

EINECS: 205-377-7

Product Categories: FINE Chemical & INTERMEDIATES;Aromatic Aldehydes & Derivatives (substituted);BenzaldehydeDerivative;Benzaldehyde;aldehydes;Aromatics;Herb extract;chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;Inhibitors

Mol File: 139-85-5.mol

Protocatechualdehyde Structure

Protocatechualdehyde Chemical Properties

Melting point 150-157 °C(lit.)

Boiling point 213.5°C (rough estimate)

density 1.2667 (rough estimate)

refractive index 1.4600 (estimate)

storage temp. 2-8°C

solubility 6.3g/l

pka pK (25°) 7.55

form Crystalline Powder

color slightly brown

Water Solubility 50 g/L (20 ºC)

Sensitive Air Sensitive

Merck 14,7893

BRN 774381

Stability: Stable. Incompatible with strong bases, strong oxidizing agents.

CAS DataBase Reference 139-85-5(CAS DataBase Reference)

NIST Chemistry Reference 3,4-Dihydroxybenzaldehyde(139-85-5)

EPA Substance Registry System Benzaldehyde, 3,4-dihydroxy- (139-85-5)

Safety Information

Hazard Codes Xi

Risk Statements 36/37/38-22

Safety Statements 26-36-37/39

WGK Germany 3

RTECS UL0380000

F 9

Hazard Note Irritant/Air Sensitive

HS Code 29124900

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Company Profile Introduction

Qingdao Kaimoisi Biochemical Technology Co., Ltd. has modern factory, workshops and logistics warehouse facilities, equipped with advanced production equipment and testing instruments, integrating research, development, production and sales. The product range includes pharmaceuticals, food/feed additives, pesticides, dyes, various intermediates, and fine chemicals. With several years of hard work, we have established stable and friendly business contacts with dozens of European and American pharmaceutical companies, multinational chemical companies and importers. Established long-term commissioned processing and production relations with many production plants and R&D units at home and abroad. If you are good at customizing chemicals and developing new products, please contact us and let us know the type of chemical reaction you are good at, the laboratory conditions you have, and we will select the right products to work with you according to your specific situation.