Abietic acid

1- Abietic acid

2- Chemical symbol:-

C20H3002.

3- chemical Nomenclature:-

(1 R-( 1 a,4ap,4ba,l Oaa)]-1,2,3,4,4a,4b,5,6,10,1 Oa-Deca-hydro- 1,4a-dimethy1-7-( 1 -methylethyl)-1-phenanthrene-carboxylic acid.

4- Molecular weight:

302,44 g/ mol

5- Structure:-

6- Chemical registration numbering:-

CAS: 514-10-3

7- General description:-

abietic acid, the most abundant of several closely related organic acids that constitute most of rosin, the solid portion of the oleoresin of coniferous trees. Commercial abietic acid is usually a glassy or partly crystalline, yellowish solid that melts at temperatures as low as 85° C (185° F).

8- Physical Properties:-

mp 173.5"; bpg = 250'; [a@)= -116' (c 1 EtOH), Am = 235, 241.5, 250 nm (E 19500, 22000, 1430.

9- Chemical Properties:-

insoluble in H20, very soluble in EtOH, Etz0, MezCO, C6H6; LD50 (mus iv) = 180 mgikg. Hercules Inc. 208178-3.

10- Uses:-

A major active ingredient of rosin; used as varnish driers, in soaps, and in the fermentation industry Used in lacquers, varnishes, soaps and plastics.

11- Suppliers:-

From Ali baba

Tags : industrial Chemicals

Abietic acid

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