CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Castor oil appears as pale-yellow or almost colorless transparent viscous liquid with a faint mild odor and nauseating taste. Density 0.95 g / cm3. A mixture of glycerides, chiefly ricinolein (the glyceride of ricinoleic acid). |
|---|---|
| Color/Form | Pale-yellowish or almost colorless, transparent, viscous liquid |
| Odor | Faint, mild odor |
| Taste | The crude oil tastes slightly acrid with a decidedly nauseating after-taste. |
| Boiling Point | 595 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 10 °F (NTP, 1992) |
| Flash Point | 445 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 0.96 at 77 °F (USCG, 1999) - Less dense than water; will float |
| Stability/Shelf Life | Has excellent keeping qualities, does not turn rancid unless subjected to excessive heat[The Merck Index, Fourteenth Edition (2006) |
| Optical Rotation | Dextrorotatory (undiluted in sodium light) |
| Autoignition Temperature | 840 °F (NTP, 1992) |
| Viscosity | At 25 °C: 6-8 poises, also expressed as U +/- 1/2 (Gardner-Holdt scale) |
| Surface Tension | At 20 °C: 39.0 dynes/cm; at 80 °C: 35.2 dynes/cm |
| Refractive Index | Index of refraction: 1.473-1.477 at 25 °C/D; 1.466-1.473 at 40 °C/D |
| Other Experimental Properties | A non-drying oil |
| Chemical Classes | UVCB |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 933.4 g/mol |
|---|---|
| XLogP3 | 17.8 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 53 |
| Exact Mass | 932.76803489 g/mol |
| Monoisotopic Mass | 932.76803489 g/mol |
| Topological Polar Surface Area | 140 Ų |
| Heavy Atom Count | 66 |
| Formal Charge | 0 |
| Complexity | 1110 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 3 |
| Defined Bond Stereocenter Count | 3 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Castor oil has various uses in medicine, industry, and pharmaceuticals. It is found in food, medication, and skin care and is also used as an industrial lubricant and biodiesel component.

