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Безопасность и качество пищевых продуктов
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| Flavouring |
Tartaric acid (+)-, (-)-, (+/-)-, meso- |
| Synonym(s) |
2,3-Dihydroxybutanedioic acid;alpha,beta-Dihydroxysuccinic acid |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
2,3-Dihydroxybutanedioic acid |
| JECFA number |
621 |
| CAS number |
87-69-4 |
| FEMA number |
3044 |
| COE number |
18 |
| FLAVIS number |
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| Molecular weight |
150.09 |
| Chemical formula |
C4H6O6 |
| Physical form/odour |
colourless or translucent crystals, or a white, fine to granular crystaline powder which is odourless with an acid taste |
| Solubility |
soluble in water and alcohol; 1 gm in 0.8 ml water |
| Solubility in ethanol |
1 g in 3 ml 95% alcohol |
| Boiling point (°C) |
NA |
| Assay min % |
99.7% |
| Acid value max |
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| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
Melting Pt.: 170°; Heavy Metals: max. 10 ppm: Loss on Drying: max. 0.5%; Oxalate: passes test; Residue on Ignition: max. 0.5%; Specific Rotation for (+)-isomer: +12.0 to +13.0° at 25°; Sulfate: passes test |
| ID Test |
IR |
| Spectrum |

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