structure of 921-53-9

Potassium Tartrate(CAS 921-53-9)

CAS No.: 921-53-9 Brand: MolBest
M. Ft.: C4H4K2O6 Cat. No: G7403836
M. Wt.: 226.27 MDL: No record
Storage: Store in a cool,dry area. Use: For laboratory research use only
Purity Grade Package Stock Price Quantity
99%+,Dihydrate
Documents:COASDS
RG 2.5KG In Stock 48 USD
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Applications of 921-53-9

Dipotassium 2,3-dihydroxybutanedioate has diverse applications across several industries:

  • Oenology: Used to reduce acidity in wine.
  • Food Industry: Acts as a stabilizer and acidity regulator.
  • Pharmaceuticals: Utilized in formulations for its laxative properties.
  • Cosmetics: Serves as an ingredient in various cosmetic products due to its stabilizing properties.
  • Laboratory Reagent: Employed in chemical analysis and research settings.

Physical and chemical properties of 921-53-9

Boiling Point

399.3ºC at 760mmHg

Decomposition

200-220 ºC

Density

1.98

Exact Mass

187.972321

Flash Point

209.4ºC

Melting Point

155 °C

Molecular Formula

C4H5KO6

Molecular Weight

188.177

pH

Between 7,0 and 9,0 (1 % aqueous solution)

PSA

117.89000

Stability

Stable.

Vapour Pressure

0Pa at 25℃

Q&A for CAS 921-53-9

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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3. What if the received product doesn’t meet quality standards?
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

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7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

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Operate under the ISO 9001 system