Description

About Potassium Metabisulfite Powder Lab Grade

Potassium Metabisulfite, also known as Pyrosulfurous Acid, Dipotassium Salt, Dipotassium Disulfate, and Potassium Pyrosulfate, has the chemical formula K2S2O5 or K2O5S2. It appears as a white granular or powdery solid with a sharp rotten-egg-like (Sulfur Dioxide) odor. It is soluble in Water and insoluble in Ethanol at ambient conditions.

Chemically pure or Laboratory reagents are the two terms often used to describe Lab Grade chemicals. Lab Grade chemicals do not meet any accepted quality or purity requirements such as the ACS Grade, the USP Grade, and the FCC Grade, despite their acceptable purity. Due to its high purity, Potassium Metabisulfite, Lab Grade is highly recommended for labs and commercial applications.

Read more
COMMON USES AND APPLICATIONS
  • Reagent
  • Sanitizing agent
  • Disinfecting agent

INDUSTRIES

  • Textile industry
  • Cotton printing
  • Purification of gold
  • Photography

PRODUCT INFORMATION

CAS
16731-55-8
Molecular Formula
K2S2O5
Molecular Weight
222.33
PubChem CID
28019
Assay
Min. 90.0%
Lead (Pb)
2 mg/kg
Iron (Fe)
10 mg/kg
Selenium (Se)
5 mg/kg

Customer Reviews and Q&A

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
1 review
  • Bryan W.
    Flag of United States
    Verified Buyer
    Reviewing
    Potassium Metabisulfite Powder Lab Grade
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Potassium Metabisulfite Powder Lab Grade

    Excellent, quick turn-around and no hassles. Thank you!

Safety and Shipping

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Potassium Metabisulfite Lab.

Potassium metabisulfite can irritate skin, eyes, and respiratory tract.

Business Support

Built for Business.

At Lab Alley, we simplify procurement with custom quotes, credit applications, tax exemptions, and fulfillment support, ensuring on-budget, on-time delivery - your success is our priority.

Apply for Credit

A Lab Alley credit account streamlines purchasing for your business. Our Customer Success Team is available to help you through every step of the process.

Request a Custom Quote

Get a fast, customized quote tailored to your specific needs. Our team ensures accurate pricing and availability to help streamline your purchasing process.

Apply for Credit

Additional Business Resources

Lab Alley provides access to essential certifications, documents, and other resources to support your business.

Learn More

Create a Lab Alley Account

Benefit 1 Icon

RECEIVE exclusive offers, promotions, and discounts on chemicals.

Benefit 2 Icon

Always have the product you need, when you need it with our AUTOSHIP program.

Get Started