DICYANOCOBYRINIC ACID HEPTAMETHYL ESTER Property

Melting point:

124-125 °C (dec.)

storage temp. 

2-8°C

BRN 

1207601

Safety

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

F 

8-10-23

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

DICYANOCOBYRINIC ACID HEPTAMETHYL ESTER Chemical Properties,Usage,Production

Uses

Dicyanocobyrinic acid heptamethyl ester may be used in the preparation of (5R,6R)-Coa,Coβ-dicyano-5,6-dihydro-5-hydroxy-heptamethylcob(III)yrinate-c,6-lactone, a derivative of cobyrinic acid heptamethyl ester.

General Description

Preparation of chloro derivatives of dicyanocobyrinic acid heptamethyl ester (′cobester′) is reported.