DL-Tartaric Acid
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Molecular formula: C4H6O6nH2O (crystalline product: n = 1, anhydrous product: n = 0,)
Molecular weight: 168.11 (crystalline product) 150.09 (anhydrous product)
Properties: colorless crystalline or white crystalline powder, odorless and sour.
Quality index:
Gb15358-94
Item | Index |
Catalyst | Anhydrous |
Assay(dry),% ≥ | 99.5 | 99.5 |
MP range,°C | 200-206 | 200-206 |
Sulfate(SO4),% ≤ | 0.04 | 0.04 |
Heavy metal(as Pb),% ≤ | 0.001 | 0.001 |
As,% ≤ | 0.0002 | 0.0002 |
Easy oxide | OK | OK |
Loss on heat,% ≤ | 11.5 | 0.5 |
Residue on ignition,% ≤ | 0.10 | 0.10 |
BP98
Item | Index |
Contact % | 99.5-101.0 |
Ca ≤% | 0.02 |
Heavy metal(as Pb),%≤ | 0.001 |
Oxide(Cl)≤% | 0.01 |
Sulfate(SO4),% ≤ | 0.015 |
Oxalate (C2O4)≤% | 0.035 |
Loss on heat,% ≤(100-105°C) | 0.2 |
Usage:
This product is widely used in food industry, such as beer foaming agent, food sour agent and flavoring agent. It is used in cool drinks, candy, fruit juice, sauce, cold dishes, fermentation powder, etc. This product is in line with the public regulations on food additives in Japan.
Packing: 25kg plastic woven bag lined with kraft paper bag or composite bag.
DL-Tartaric Acid is colorless crystal or white crystal powder, odorless and sour. It is a mixture of equal amounts of right-handed and left-handed tartaric acid, often containing one or two crystal water, heated to 100 ℃ ° It is soluble in water and insoluble in chloroform. DL tartaric acid can be used as sour taste agent, chelating agent, antioxidant synergist, aroma enhancer, quick acting leavening agent, acid substance, food pigment diluent and solidifying agent. DL-Tartaric Acid is widely used in food, medicine, chemical industry, light industry and other industries. It is mainly used in the manufacture of tartrate. In the food industry, it is used as beer foaming agent, food sour agent, taste corrector and sour agent of grape juice. It is also used in tanning, photography, glass, enamel, telecommunication equipment, etc.
IUPAC
2,3-dihydroxybutanedioic acid
SMILES
C(C(C(=O)O)O)(C(=O)O)O