|
Food safety and quality
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| |
| Flavouring |
Lactic acid |
| Synonym(s) |
2-Hydroxy-propionic acid;alpha-Hydroxypropanoic acid |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Hydroxypropanoic acid |
| JECFA number |
930 |
| CAS number |
CAS Nos: 10326-41-7, 79-33-4 and 50-21-5 |
| FEMA number |
2611 |
| COE number |
4 |
| FLAVIS number |
|
| Molecular weight |
90.08 |
| Chemical formula |
C3H6O3 |
| Physical form/odour |
colourless to yellow hygroscopic crystals becoming syrupy liquid; odourless |
| Solubility |
miscible with water, glycerol, glycols, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
122° (15 mm Hg) |
| Assay min % |
95% (by chemical analysis (acid/base titration)) |
| Acid value max |
|
| Refractive index |
1.413-1.429 |
| Specific gravity |
1.200-1.209 |
| Other requirements |
mp: 17° |
| ID Test |
IR |
| Spectrum |
 
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