All Oakton pH buffer solution is freshness dated and standardized against NIST-traceable references to ensure quality. 0.01 pH at 25C. OAKTON pH buffer solution bottles are labeled with the name and CAS number for all ingredients (for Right-to-Know requirements) and are supplied with an MSDS (Material Safety Data Sheet).
- Buffer Value: 4.01
- Volume (mL): 4000
- Color: Red
- Description: Buffer Solution, pH 4.01; 1 gal.