60895

Gum rosin

natural resin

• Synonym(s): Colophony, Rosin, gum
• CAS Number: 8050-09-7
• EC Number: 232-475-7
• MDL number: MFCD00132205
• UNSPSC Code: 11121502
• NACRES: NA.22

Properties

• Quality Level: 100
• form: solid
• acid value: 150‑170
• solubility: chloroform: 0.1 g/mL, clear, slightly yellow to deep yellow
• InChI: 1S/C20H30O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h7,12-13,16-17H,5-6,8-11H2,1-4H3,(H,21,22)/t16-,17+,19+,20+/m0/s1
• InChI key: RSWGJHLUYNHPMX-ONCXSQPRSA-N

Description

General description

Gum rosin is an exudate gum, which is extracted from pine trees. It consists of abiatic acid, palaustric acid and neoabetic acid.

Application

Gum rosin has been used:

• for the preparation of testosome patches
• to study its influence on the physical stability of concentrated oil in water emulsions
• for the preparation of rosin nanoparticles containing hydrocortisone (HC)

Analysis Note

powder to solified mass or chunks, yellow to deep yellow

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H317
• Precautionary Statements: P280 - P302 + P352
• Hazard Classifications: Skin Sens. 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 370.4 °F - closed cup
• Flash Point(C): 188 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves