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Merck
CN

60895

Gum rosin

natural resin

Synonym(s):

Colophony, Rosin, gum

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About This Item

CAS Number:
8050-09-7
UNSPSC Code:
11121502
NACRES:
NA.22
EC Number:
232-475-7
MDL number:
MFCD00132205

Key Documents

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Product Name

Gum rosin, natural resin

SMILES string

OC(=O)[C@]1([C@H]2[C@@]([C@H]3CCC(=CC3=CC2)C(C)C)(CCC1)C)C

InChI key

RSWGJHLUYNHPMX-ONCXSQPRSA-N

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

form

solid

acid value

150‑170

solubility

chloroform: 0.1 g/mL, clear, slightly yellow to deep yellow

Quality Level

100

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Analysis Note

powder to solified mass or chunks, yellow to deep yellow

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)

General description

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

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

370.4 °F - closed cup

flash_point_c

188 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCL2521
BCCK2467
BCCH1159
BCCF5552
BCCD7805

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Development of eco-friendly submicron emulsions stabilized by a bio-derived gum
Perez-Mosqueda LM, et al.
Colloids and Surfaces. B, Biointerfaces, 123, 797-802 (2014)
Ethosomes?novel vesicular carriers for enhanced delivery: characterization and skin penetration properties
Touitou E, et al.
Journal of Controlled Release : Official Journal of the Controlled Release Society, 65(3), 403-418 (2000)
Rosin nanoparticles as a drug delivery carrier for the controlled release of hydrocortisone
Lee CM, et al
Biotechnology Letters, 27(19), 1487-1490 (2005)
Ambra Masuzzo et al.
eLife, 8 (2019-10-30)
When facing microbes, animals engage in behaviors that lower the impact of the infection. We previously demonstrated that internal sensing of bacterial peptidoglycan reduces Drosophila female oviposition via NF-κB pathway activation in some neurons (Kurz et al., 2017). Although we
Perry A Wilbon et al.
Macromolecular rapid communications, 34(1), 8-37 (2012-10-16)
The development of sustainable renewable polymers from natural resources has increasingly gained attention from scientists, engineers as well as the general public and government agencies. This review covers recent progress in the field of renewable bio-based monomers and polymers from
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