Difference between revisions of "Rice wax"
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 75.3-79.9 | + | | 75.3-79.9 C |
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! scope="row"| Refractive Index | ! scope="row"| Refractive Index | ||
Latest revision as of 16:15, 25 August 2022
Description
A hard, brown wax extracted from ground rice kernels. Rice oil is extracted with cold hexane, then the process is repeated with hot hexane to obtain the wax. Rice wax is used in polishes.
Synonyms and Related Terms
rice bran wax; cera de arroz (Esp.)
Physical and Chemical Properties
| Solubility | hexane |
|---|---|
| Iodine value | 11.1-19.4 |
| Acid value | 15-17 |
| Saponification value | 56.9-104.4 |
| Melting Point | 75.3-79.9 C |
| Refractive Index | 1.469 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: melting point = 79C
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: melting point = 75.3-79.9, ref. index=1.469, iodine value=11.1-19.4, acid value=15-17; saponification value = 56.9-104.4