Full Chisel Blog

February 21, 2014

Got Rosin?*

*that should read ‘Do you have rosin?’

According to the 1930 edition of Merck’s Index:

Rosin-U.S.P.X;B.P.

Colophony; Abietic Anhydride; Yellow Rosin; Resina, B.P.-Res. left on distil. volat. oil fr. oleoresin obt. fr. Pinus palustris & o. spec. of Pinus, Pinaceæ. – Occur.:Rosin is chiefly supplied by the U.S. – Sol.: Freely in A., B., E.,  glac.acet. acid, oils, & soluts. of fixed alkali hydroxides.  U.S.P. also in CS2. – Sp. Gr.: 1.07 – 1.09 at 25°C., U.S.P. – Constit.: Chiefly (80%-90%) abietic acid, or its anhydride resene (5%-6%, B.P.C.).; also pinic & sylvic acids –  Uses: Pharm., as ingred. in oints, plasters, cerates, &c. – Techn., manuf. varnishes, varnish & paint driers, printing inks, cements, soap, sealing wax, wood polish, floor coverings, paper, plastics, fireworks, tree wax, sizes; f. waterproofing cardboard, walls, etc., & as source of rosin spirit & rosin oil, & pitch.

rosin

It is available by the pound at the Full Chisel Store, here.

Stephen

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