Rosin

Rosin
  • CAS No.:8050-09-7
Other grades of this product :
Rosin Basic information
Product Name:Rosin
Synonyms:BRAZILIAN GUM ROSIN;CHINESE GUM ROSIN;COLOPHONY;COLOPHONIUM;HYDROGENATED ROSIN;GUM ROSIN;FF WOOD ROSIN;STAYBELITE RESIN
CAS:8050-09-7
MF:C19H29COOH
MW:0
EINECS:232-475-7
Product Categories:
Mol File:Mol File
Rosin Chemical Properties
Melting point 70-72°C
density 1,07 g/cm3
Fp 180°C
storage temp. Room Temperature
solubility chloroform: 0.1 g/mL, clear, strongly yellow
form Powder/Solid
Specific Gravity1.07~1.08
color Dark yellow
Water Solubility Soluble in alcohol, benzene, ether. Insoluble in water
Merck 14,8266
Exposure limitsNIOSH: TWA 0.1 mg/m3
Stability:Stable. Combustible. Incompatible with oxidizing agents.
CAS DataBase Reference8050-09-7
EPA Substance Registry SystemRosin (8050-09-7)
Safety Information
Hazard Codes Xi
Risk Statements 43
Safety Statements 24-37
WGK Germany 1
RTECS VL0480000
10-21
TSCA Yes
HS Code 38061010
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
Rosin Usage And Synthesis
Chemical Propertiessolid with a slight odour of turpentine
UsesRosin is a yellow resin in the production of varnishes, printing inks, paper, soldering fluxes, greases, cutting fluids, glue tackifiers, adhesives, surface coatings, polish, insulations, waxes, cosmetics (mascara, rouge, eye shadow), topical medicaments, shoes, violin bow rosin, day, athletic grip aid, pine-oil cleansers; component in dental impression materials and periodontal packings. 
UsesRosin can be used as a glazing agent in medicines and chewing gum. In industry, rosin is a flux used in soldering. A mixture of pitch and rosin is used to make a surface against which glass is polished when making optical components such as lenses.
DefinitionA brittle yellow or brown resin that remains after the distillation of turpentine. It is used as a flux in soldering and in making paints and varnishes. Powdered rosin gives a ‘grip’ to violin bows and boxers’ shoes.
Definitionrosin: A hard natural resin obtainedfrom pine tree oil and the wastesfrom processing wood pulp. It maybe colourless, yellow, brown, or black. It is used as a flotation agent,solder flux, sizing compound, and inlacquers and plasticizers. It is alsoused to provide ‘grip’ to violinists’bows (when it may be calledcolophony) and dancers’ and boxers’shoes.
Production MethodsRosin, also called colophony or Greek pitch (Latin: pix graeca), 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.
CompositionRosin is a complex mixture that mostly contains resin acids and a little amount of neutral fraction. Rosin mostly contains abietic  type (abietic, levopimaric, pallustric, neoabietic, dehydroabietic and  tetra abietic acids) and pimaric type (pimaric and isopimaric acids), besides neutral components.
General DescriptionGum rosin is an exudate gum, which is extracted from pine trees.
Health effectsThe fumes released during soldering have been cited as a causative agent of occupational asthma. The symptoms also include desquamation of bronchial epithelium.

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