Audited Supplier
Properties of DL-tartaric acid CAS 133-37-9DL-Tartaric Acid is appraised as an excellent food additive by the FAO/WHO experts committee. It is also very important for the tannage, photograph, glass, enamel and telecommunication equipment industries.
Mp | 170-172 °C(Lit.) |
Alpha | 12 º (C=20, H2o) |
Density | 1.76 |
Vapor Density | 5.18 (Vs Air) |
Fema | 3044 |
Refractive Index | 12.5 ° (C=5, H2o) |
Fp | 210 °C |
Storage Temp. | Store At Rt. |
Water Solubility | 1390 G/L (20 ºc) |
Merck | 14,9070 |
Brn | 1725147 |
Stability: | Stable. Incompatible With Oxidizing Agents, Bases, Reducing Agents. Combustible. |
Cas Database Reference | 87-69-4(Cas Database Reference) |
Epa Substance | Butanedioic Acid, 2,3-Dihydroxy- (2r,3r)-(87-69-4) |
| Properties | Colorless semi-transparent crystal or white fine to coarse crystalline powder with sour taste. | ||
| Chemical name | (2S,3S)-2,3-dihydroxybutanedioic acid | ||
| Molecular formula | C4H6O6 | ||
| Structural formula | |||
| Molecular weight | 150.09 | ||
| Quality index | Monohydrate (C4H6O6·H2O) | Anhydride (C4H6O6) | |
| Content | ≥99.5% | ≥99.5% | |
| Melting range | 200~206 | 200~206 | |
| Heavy metal (Pb) | ≤0.001% | ≤0.001% | |
| Ignition residue | ≤0.1% | ≤0.1% | |
| Heating loss | ≤11.5% | ≤0.5% | |
| Arsenic (As) | ≤0.0002% | ≤0.0002% | |
| Readily oxidizable substance | Pass the test | Pass the test | |
| Sulfate test | ≤0.04% | ||
| Main functions and uses | DL-tartaric acid is widely used in food, pharmaceutical, chemical, light industry and other industries as beer foaming agent, food sour agent, and flavoring agent. It pays an important role in the industries such as tannking, photography, glass, enamel, telecommunication apparatus, and etc. | ||
| Packing | 25KG composite paper bag lined with PE bag, 20' container can hold 20 tons (pallet). | ||
| Storage | Keep in dry, cool and shading place. | ||
Main Advantage
1) We can provide costomers with "one-stop"packaging service,from research,development,production,export and so on
2) Powerful R&D strength let our technology in a leading level,forever,in turn,to provide customers with better service .
3) We have ISO&SGS certificate which let the customers more satisfied and rest assured.
4) More than 19 years of export experience,we can provide customers with more professional service.
5)Mix and different products in ONE PCL,increase the working efficiency for customers.
6)Headquartered in Shanghai, Shanghai is one of the world's largest port, convenient for the customes provide logistics services.
Company Information
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
