8050-09-7

CAS No.: 8050-09-7
Chemical Name: Rosin
Synonyms: BRAZILIAN GUM ROSIN;CHINESE GUM ROSIN;COLOPHONY;COLOPHONIUM;HYDROGENATED ROSIN;GUM ROSIN;FF WOOD ROSIN;STAYBELITE RESIN
Molecular: C19H29COOH
Formula Weight: 70-72℃
Rosin8050-09-7
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density: 1,07 g/cm3
Alpha: Stable. Combustible. Incompatible with oxidizing agents.
Hazard Codes: Details
Risk Statements: 43
Safety Statements: 24-37

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For other uses, see Rosin (disambiguation).
A cake of rosin, made for use by violinists, used here for soldering

Rosin, also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of various resin acids, especially abietic acid.[1] The term "colophony" comes from colophonia resina or "resin from the pine trees of Colophon," an ancient Ionic city.

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