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L-Tartrate CAS 87-69-4

Molecular Formula: C4H6O6

Formula Weight: 150.09

ZSpharmac: L-Tartrate Supplier

Product Name: L-Tartrate
CAS No: 87-69-4
Purity: 99%

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Basic Info

Product Name:L-Tartrate
Other Names:L(+)-Tartaric Acid
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White or Colorless Solid
EINECS No.:201-766-0
Provide:L-Tartrate MSDS;
L-Tartrate COA

What is L-Tartrate?

Tartaric acid, 2,3-dihydroxysuccinic acid. Molecular formula: HOOCCHOHCHOHCOOH is dihydroxysuccinic acid. There are 2 uneven carbon atoms, and there are 3 stereoisomers, particularly: D-type (D kind, L kind), L-type (L kind, D kind), meso kind. Generally, racemic tartaric acid is also called grape acid. D-tartaric acid is commonly distributed in higher plants in the form of absolutely free or K salt, Ca salt, and also Mg salt, particularly in fruits and also leaves. When making white wine, a good deal of tartar (potassium hydrogen salt) is transferred. Furthermore, it is additionally typically uncovered in mold and mildews and also lichens.

L-Tartrate Property

Melting point 

170-172 °C(lit.)


12 º (c=20, H2O)

Boiling point 

191.59°C (rough estimate)



vapor density 

5.18 (vs air)

vapor pressure 

<5 Pa (20 °C)

refractive index 

12.5 ° (C=5, H2O)


210 °C

storage temp. 

Store at +5°C to +30°C.


H2O: soluble1M at 20°C, clear, colorless




2.98, 4.34(at 25℃)


White or colorless


at 100.00 %. odorless


3.18(1 mM solution);2.55(10 mM solution);2.01(100 mM solution);

Odor Type


optical activity

[α]20/D +13.5±0.5°, c = 10% in H2O

Water Solubility 

1390 g/L (20 ºC)


L-Tartrate Uses

  1. L-Tartrate is extensively made use of as a sour representative in beverages and various other foods, used in white wine, soft drinks, sweet, bread, certain gelatinous desserts. Use its optical activity as a chemical resolution representative for the resolution of DL-aminobutanol in the manufacture of anti-tuberculosis medication intermediates; it can likewise be made use of as a chiral raw material for the synthesis of tartaric acid derivatives; utilize its acidity as a polyester textile resin Completing stimulant, PH regulatory authority generated by oryzanol; utilizing its complexing building, it can be made use of as complexing agent, covering up agent, chelating representative, printing and also coloring anti-dyeing representative in electroplating, desulfurization, pickling, chemical evaluation, as well as clinical inspection; Its minimizing home is made use of as a minimizing agent for chemical mirror making. Photo designer. It can likewise complex with a range of steel ions, as well as can be used as a cleaner and also polishing agent for metal surfaces.
  2. L-Tartrate, as an anti-oxidant contributed to food, can make food sour. The biggest use tartaric acid is beverage ingredients. It is additionally a raw material for the pharmaceutical sector. In the mirror sector, tartaric acid is an important additive as well as reducing representative, which can manage the formation speed of silver mirror and also acquire an extremely uniform layer.

Measuring Method of Optical Rotation of L-Tartrate

In order to solve the problem that the accuracy of the method for measuring the optical rotation of L-tartaric acid in the existing method is relatively low, the present invention proposes the following technical solutions:

A method for measuring the optical rotation of L-tartrate, the method may further comprise the steps:

Α, get a certain amount of L-tartaric acid and put it into an oven for drying, then take it out, put it into a drying oven to cool, weigh the sample after cooling, repeatedly dry, cool, and weigh the L-tartaric acid until the weight Until no longer change; B, take by weighing the L-tartaric acid 10g that step A obtains, be dissolved in 100ml volumetric flask with distilled water, and be settled to 100ml;

C. Use distilled water as a blank test to calibrate the polarimeter;

D. Use the prepared L-tartaric acid solution to rinse the optical rotation tube, repeat the rinse several times, pour the prepared L-tartaric acid solution into the polarimeter after the rinse is completed, and measure it in a polarimeter to obtain the optical rotation.

The beneficial effects brought by the invention are: the invention improves the measurement accuracy of the optical rotation of L-tartaric acid by adding limited steps.

The Specific Embodiment of L-Tartaric

The recommended embodiments of the present development are explained in detail below, to ensure that the benefits as well as functions of today creation can be extra quickly understood by those experienced in the art, so as to specify the protection range of the here and now development extra plainly.

A sort of gauging technique of L-Tartaric optical turning, its concrete actions are as follows:
A. Take 20g of L-tartaric acid and put it into the stove for drying out, after that take it out, placed it into the drying out stove to cool, weigh the sample after cooling down, and also repeatedly dry, amazing and also evaluate the L-Tartaric till the weight Until no more altering, get completely dry L-Tartaric example 15.628 g;

B, take by weighing the L-tartaric acid 10g that action A obtains, be liquified in 100ml volumetric flask with distilled water, and also be cleared up to 100ml;

C. Do an empty test with distilled water, and calibrate the polarimeter so that the reading of the polarimeter is no when measuring pure water;

D. Use the ready L-Tartaric solution to wash the optical turning tube, repeat the rinse for 3 times, put the ready L-Tartaric option into the polarimeter after the rinse is completed, and also determine it for 5 times to obtain the optical turning 1.171, 1.171, 1.171, 1.171, 1.171 specifically, and also the standard deviation is no; as well as the approach frequently made use of is utilized to gauge the optical rotation of L-tartaric acid, that is, take 1g L-tartaric acid to prepare 00000241 。 After the sample was determined 5 times, the optical turnings were 0. 115, 0. 118, 0. 119, 0. 116, 0. 115, and the standard deviation was 0. 00000241. Therefore, the technique of the innovation effectively boosts the dimension accuracy of the L-Tartaric optical rotation.

The above is just a certain personification of today creation, however the range of defense of the present moment creation is not minimal thereto, and anybody experienced in the art might make changes or alterations without imaginative job within the technical array divulged in the here and now innovation. Substitute needs to be covered within the security series of today innovation. Because of that, the defense series of the present moment development ought to be established by the defense extent specified in the claims.

About Products:
If you need L-Tartaric as a cosmetic raw material, please contact our service staff directly, we will provide you with high-quality products at the best price.
As an experienced L-Tartaric manufacturer and supplier, ZSpharmac will provide L-Tartaric raw materials to customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*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.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



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. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Get L-Tartrate Quotation