Zhishang Chemical

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Zhishang Chemical

Sodium Citrate Dihydrate CAS 6132-04-3

Molecular Formula: C6H9Na3O9

Formula Weight: 294.1

ZSpharmac: Sodium Citrate Dihydrate Cosmetic Raw Material Supplier

Product Name: Sodium Citrate Dihydrate
CAS No: 6132-04-3
Purity: 99%

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Basic Info

Product Name:Sodium Citrate Dihydrate
Other Names:Trisodium Citrate Dihydrate
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White Powder
EINECS No.:612-118-5
Storage:Store at +5°C to +30°C.
Provide:Sodium Citrate Dihydrate MSDS;
Sodium Citrate Dihydrate COA

What is Sodium Citrate Dihydrate?

Sodium Citrate Dihydrate, likewise called salt citrate, sodium citrate, and trisodium citrate, has the molecular formula Na3C6H5O7 · 2H2O and a molecular weight of 294.1. It is a colorless crystal or white crystalline powder item, odorless, salty, and also cool. It loses water of crystallization at 150 ° C, as well as decays at greater temperatures. It is a little deliquescent in moist air and also weatherable in hot air. It is conveniently soluble in water as well as glycerin, insoluble in ethanol, and insoluble in alcohols and also other natural solvents. Salt citrate is safe, has pH adjustment residential or commercial properties and excellent security, so it can be utilized in the food industry. Salt citrate is made use of as a preservative with the largest demand. It is mostly utilized as flavoring agent, barrier, emulsifier, swelling representative, stabilizer and chemical, and so on; furthermore, sodium citrate is compatible with citric acid as well as used as a selection of jams, Gelling agents, nutritional supplements and also flavors for jelly, juice, drinks, cool beverages, dairy items and cakes.

Sodium Citrate Dihydrate Property

Melting point 

>300 °C(lit.)




173.9 °C

storage temp. 

Store at +5°C to +30°C.


H2O: 100 mg/mL






7.0-9.0 (25℃, 50mg/mL in H2O)



PH Range

7.5 – 9 at 29.4 g/l at 25 °C

Water Solubility 

720 g/L (25 ºC)

Sodium Citrate Dihydrate Uses

When new blood is gathered scientifically, including some decontaminated Salt Citrate Dihydrate can stay clear of blood coagulation. It is exactly as a result of the characteristic that citrate as well as calcium ions can create a soluble challenging. It is utilized in the field of drug for artificial insemination anti-inflammatory Coagulants and also anticoagulants, expectorants along with diuretics throughout blood transfusions, made use of in cyanide-free sector for electroplating, and also used as designers in the electronic photography market.

In the food market, it is used as taste producing agent, buffer material, emulsifier and also stabilizer. It is furthermore frequently utilized in the chemical sector along with metallurgical market to absorb sulfur dioxide tail gas, with an absorption price of 99%, and regrow it into liquid sulfur dioxide Salt Citrate Dihydrate for reusing. Salt citrate has the characteristics of great water solubility, outstanding chelating ability for Ca2+, Mg2+ as well as likewise numerous other steel ions in water, biodegradability, solid diffusion ability as well as anti-redeposition ability.

Daily chemical detergents utilize it as opposed to sodium tripolyphosphate to develop phosphorus-free washing powder and also phosphorus-free liquid cleaning agents. Including a particular amount of Sodium Citrate Dihydrate to the cleaner can considerably enhance the decontamination ability of the cleaning agent. The extensive application of salt tripolyphosphate as a home building contractor in cleansing agents is an essential discovery in the artificial cleaner market. It is safe, has no environmental pollution, as well as also can similarly be used as an obstacle in cosmetics production.

Excellent Properties of Sodium Citrate Dihydrate

Sodium citrate dihydrate is presently the most vital citrate. It is mostly generated by fermenting starch materials to develop citric acid and also later on counteracting it with alkaline compounds. It has the adhering to superb structures:

( 1) Safe and also safe. Taking into consideration that the raw items for preparing salt citrate dihydrate usually originated from grains, it is absolutely risk-free and also dependable, in addition to will not create damages to human wellness.

( 2) Normally Degradable. After salt citrate dihydrate is compromised with a big quantity of water in nature, part of it becomes citric acid, in addition to the two exist side-by-side in the exact same system. Citric acid is easily biodegraded by the task of oxygen, warmth, light, bacteria and also microorganisms in water.

( 3) It has metal ion complexing ability. Salt citrate dihydrate has exceptional complexing capacity for steel ions such as Ca2+ along with Mg2+, and likewise has excellent complexing capability for numerous other metal ions, such as Fe2+ as well as various other ions.

( 4) Outstanding solubility household or industrial properties. As well as the solubility boosts with the rise of water temperature level.

( 5) Has exceptional pH modification and also buffering property or business buildings. Sodium citrate dihydrate is a weak acid along with strong antacids salt. When included with citric acid, it can develop a solid pH obstacle. For that reason, it is of terrific use in some scenarios where the pH is not suitable for huge modifications.

Purification Method of Sodium Citrate Dihydrate

A purification technique of salt citrate, the technique consists of the complying with actions:
( 1) Pour the unrefined salt citrate dihydrate into water, stir and also dissolve at 3MPa and 70 ° C to acquire a sodium citrate liquid remedy;
( 2) Filter under the same stress conditions as action (1 ). After the purification is completed, slowly lower the pressure and also cool down the condensation. After 30 minutes, the stress will be minimized to regular pressure, and also the condensation will certainly proceed for 60 minutes;

( 3) Solid-liquid separation to acquire strong matter;
( 4) Send out the solid issue to a vacuum cleaner rotary dryer for drying to obtain the finished item of salt citrate dihydrate.

The mass ratio of the unrefined salt citrate dihydrate to water is 10 to 12:1.

The water is deionized water.

About Products:
If you need Sodium Citrate Dihydrate as a cosmetic raw material, please contact our service staff directly, and we will provide you with high-quality products at the best price.
As an experienced Sodium Citrate Dihydrate manufacturer and supplier, our company, ZSpharmac will provide Sodium Citrate Dihydrate raw materials to customers around 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.

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