COLOPHONY (C005B-002283)

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

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. 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, Faceshields, Gloves.