1.Product introduction
CAS No.: 87-69-4
EINECS No.: 201-766-0
Other Names: L(+)-Tartaric acid
MF: C4H6O6
Tartaric acid is a white crystalline organic acid that occurs naturally in many plants, most notably in grapes. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally in the process of winemaking. It is commonly mixed with sodium bicarbonate and is sold as baking powder used as a leavening agent in food preparation. The acid itself is added to foods as an antioxidant and to impart its distinctive sour taste.
1.Tartaric acid is mainly used as acidulant in beverage,and other foods, such as soft drinks, wine, candy, bread and some colloidal sweetmeats.
2.Used as catalyst in the resin finishing of polyester fabric or pH value regulator in oryzanol production
3.Used as complexing agent, screening agent or chelating agent in chemical analysis and pharmaceutical inspection, or as resist agent in dyeing.
4.Also complex with metal ion and can be used as cleaning agent or polishing agent of metal surface.
2.Product specification
Product name | tartaric acid | |
Packing | 25kg per bag | |
Items | Specifications | Analysis results |
Appearance | colorless or translucent crystal or a white powder, acidity | Meets the requirements |
Specific Rotation［α］D25℃ | +12.0˚~13.0˚ | 12.7˚ |
Content (on dry basis) (%) | 99.7~100.5 | 99.9 |
Sulphate test | Pass test | Pass test |
Oxalate test | Pass test | Pass test |
Arsenic (As) (mg/kg) | ≤2 | ＜2 |
Lead (Pb) (mg/kg) | ≤2 | ＜2 |
Loss on drying (%) | ≤0.5 | 0.1 |
Residue on ignition (%) | ≤0.005 | 0.03 |
3.Product details
4.Product qualification
We are specialized in food additives for many year. We have FDA, SGS, CNAS, ITAT, CO and health certificate etc.
5.Service and Shipping
6.FAQ
1 .Can you provide free sample?
Yes!
2. How about your factory's certification?
GMP, FAD, ISO, Kosher, etc.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. How to confirm the Product Quality before placing orders?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
7.How to start orders or make payments?
Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow(Alibaba).