| CAS No.: | 133-37-9 |
|---|---|
| Formula: | C4h6o6 |
| EINECS: | 205-105-7 |
| Packaging Material: | Paper |
| Storage Method: | Normal |
| Shelf Life: | >12 Months |
| Customization: |
|---|
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Audited Supplier Product Description
Tartaric acid is a white crystalline diprotic aldaric acid. It occurs naturally in many plants, particularly grapes, bananas, and tamarinds, is commonly combined with baking soda to function as a leavening agent in recipes, and is one of the main acids found in wine. It is added to other foods to give a sour taste, and is used as an antioxidant. Salts of tartaric acid are known as tartrates. It is a dihydroxyl derivative of succinic acid.
Application and Uses of DL-Tartaric Acid
This product is widely used in many fields such as foodstuff, medicine, chemical industry and light industry etc., and is mainly used to make tartrates (tartaric acid salts), like antimony potassium tartrate, potassium sodium tartrate. It can be served as beer vesicant, foodstuff sourness agent and flavoring etc. Its sourness is 1.3 times of that of citric acid, and is especially suitable to be a sourness agent of grape juice. It is also very important for the tannage, photograph, glass, enamel and telecommunication equipment industries.
Typical Specifation
| Items | Specification |
| Product Name | DL-Tartaric Acid |
| CAS No. | 133-37-9 |
| Molecular Formula | C4H6O6 |
| Molecular Weight | 150.09 |
| Packing | 25KG brown paper bag |
| Shelf Life | >12 Months,Normal |
| Assay | 99.5% Min |
| Description | White or nearly white crystalline powder or granules |
| Melting Point | 127.0-132.0 °C |
| Test for malate | Passes test |
| Fumaric Acid | NMT 1.0 % |
| Maleic Acid | NMT 0.05 % |
| Water insolubles | NMT 0.1 % |
| Specific Rotation | -0.1-+0.1 |
| Residue on Ignition | NMT 0.1 % |
| Arsenic | NMT 2ppm |
| Mercury | NMT 1 ppm |
| Heavy Metals | NMT 10 ppm |
| Lead | NMT 2ppm |
| Sulphated ash | NMT 0.1% |
1. What's your payment terms?
T/T, D/P, L/C, O/A
2. What's your delivery time?
Usually we will arrange the shipment within 14 days.
3. How about the packing?
Usually with 25 kg bag/carton/drum.
4. How about the validity of the products?
Usually 2 or 3 years.
5. What documents you provide?
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA , Health certificate.
6. What is loading port?
Usually, Qingdao, Tianjin and Shanghai
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Audited Supplier 
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