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Zhishang Chemical

Propanedioic Acid CAS 141-82-2

Molecular Formula: C3H4O4

Formula Weight: 104.06

ZSpharmac: Propanedioic Acid Supplement

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Product Name: Propanedioic Acid
CAS No: 141-82-2  
Purity: 99%

Basic Info

Product Name:Propanedioic Acid
Other Names:Malonic Acid
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Organic Chemical Raw Materials
Appearance:White liquid
EINECS No.:205-503-0
Storage:Sealed in Dry,Room Temperature
Provide:Propanedioic Acid MSDS;
Propanedioic Acid COA

What is Propanedioic Acid?

Propanedioic Acid is likewise referred to as methanedicarboxylic acid, carotene acid, malic acid, and also beet acid.Those taken shape from ethanol are triclinic white crystals. The loved one molecular mass is 104.06. The loved one thickness is 1.631 (15 ° C). Melting point 135.6 ℃. 140 ℃ disintegrate right into acetic acid as well as co2. It does not disintegrate under vacuum cleaner of 1.067 × 103 ~ 1.333 × 103Pa, however sublimates directly. Insoluble in benzene, soluble in water 61.1(0 ℃), 73.5(20 ℃), 92.6(50 ℃), ethanol 57(20 ℃), ether 5.7(20 ℃), somewhat soluble in pyridine. In case of potassium permanganate, it is decomposed right into formic acid as well as co2. Malonic acid is a dibasic acid with typical reactivity of dibasic acid. As an example, the methylene group of malonic acid is energetic as well as can undertake responses such as addition, alkylation, amination, and halogenation; its 2 carboxyl groups are very far apart. Lately, it can be dehydrated; esterified with alcohol; decarboxylated by home heating; condensed with carbonyl substances; added with substances including energetic dual bonds. The hydroxyl teams in both carboxyl groups of malonic acid are all substituted by ethoxy groups (see substitution reaction) to create the substance diethyl malonate. Diethyl malonate is an essential organic synthesis resources for dyes as well as medicines synthesis. Due to the fact that the molecule has energetic methylene, it can initially react with salt alkoxide to produce salt malonate, and after that respond with different energetic halogens to create replaced malonate., Since malonic acid produces carbon dioxide as well as water after home heating, there is no air pollution issue, so it can be directly used as an aluminum surface area therapy representative; it is additionally a basic material for the production of chemicals and also fungicides Fuji No. The medicine sulfinpyrazone, the anti-inflammatory medication oxybenzone, and also the sedative drug brommethycintropine, etc. In addition, malonic acid as well as its esters are commonly made use of as pharmaceutical intermediates, such as barbiturates, vitamins B1 as well as B6, and so on, as well as malonic acid esters are commonly utilized in organic synthesis, in addition to adhesives, spices, resin additives, electroplating polishing agents, welding changes, and so on.

Propanedioic Acid Properties:

Melting point 132-135 °C (dec.) (lit.)
Boiling point 140℃(分解)
density 1.619 g/cm3 at 25 °C
refractive index 1.4780
Fp 157°C
storage temp. Sealed in dry,Room Temperature
solubility 1 M NaOH: soluble100mg/mL, clear to slightly hazy, colorless to faintly yellow
pka2.83(at 25℃)
form Liquid
color White
Water Solubility 1400 g/L (20 ºC)


Propanedioic Acid Uses

  1. Propanedioic Acid was made use of to figure out the complexing representative of beryllium and also copper. Calibration of basic alkaline options. Biochemical Study. Organic Synthesis. Manufacture of barbiturates. Criterion for Gas Chromatography.

Preparation Method of Propanedioic Acid

The laboratory uses chloroacetic acid as raw material, neutralizes it with NaOH or Na2CO3 to generate sodium chloroacetic acid, which reacts with KCN (or NaCN) to obtain sodium α-cyanoacetate, which is then subjected to alkaline hydrolysis, calcium salt replacement, and acidification. After the system of malonic acid. The chemical reaction equation is as follows:
氯乙酸 制备 丙二酸

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: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food 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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