Cottonseed Oil
» Cottonseed Oil is the refined fixed oil obtained from the seed of cultivated plants of various varieties of Gossypium hirsutum Linné or of other species of Gossypium (Fam. Malvaceae).
Packaging and storage—
Preserve in tight, light-resistant containers, and avoid exposure to excessive heat.
Identification—
Cottonseed Oil exhibits the following composition profile of fatty acids, as determined in the section Fatty Acid Composition under Fats and Fixed Oils 
401
:
401:
| Carbon-chain length |
No. of double bonds |
Percentage (%) |
| 14 | 0 | 0.5 to 2.0 |
| 16 | 0 | 17 to 29 |
| 18 | 0 | 1.0 to 4.0 |
| 20 | 0 | <0.5 |
| 22 | 0 | <0.5 |
| 24 | 0 | <0.5 |
| 18 | 1 | 13 to 44 |
| 18 | 2 | 40 to 63 |
| 18 | 3 | 0.1 to 2.1 |
| 22 | 1 | <0.5 |
Specific gravity 841:
between 0.915 and 0.921.
841:
between 0.915 and 0.921.
Free fatty acids 401—
The free fatty acids in 10.0 g require for neutralization not more than 2.0 mL of 0.020 N sodium hydroxide.
401—
The free fatty acids in 10.0 g require for neutralization not more than 2.0 mL of 0.020 N sodium hydroxide.
Iodine value 401:
between 109 and 120.
401:
between 109 and 120.
Heavy metals, Method II 231:
0.001%.
231:
0.001%.
Auxiliary Information—
Please check for your question in the FAQs before contacting USP.
Chromatographic Column—
| Topic/Question | Contact | Expert Committee |
| Monograph | Hong Wang, Ph.D.
Scientist 1-301-816-8351 |
(EM205) Excipient Monographs 2 |
USP32–NF27 Page 1217
Pharmacopeial Forum: Volume No. 34(5) Page 1222
Chromatographic columns text is not derived from, and not part of, USP 32 or NF 27.