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Buffer solution pH 4, Phthalate buffer, traceable to NIST, ready to use
Shop All Thermo Scientific Chemicals ProductsDescription
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Chemical Name or Material | Buffer solution pH 4 |
CAS | 877-24-7, 7732-18-5, 7487-94-7 |
Concentration | 1.0% (Potassium hydrogen phthalate) |
Physical Form | Liquid |
Quantity | 1 L |
Molecular Formula | C8H5KO4 |
MDL Number | MFCD00217672 |
Solubility Information | Solubility in water: miscible. |
Formula Weight | 204.22 |
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Certificates
Certificates
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Lot Number | Certificate Type | Date | Product Code |
---|---|---|---|
2546086 | Certificate of Analysis | 24/07/2025 | 383835000,383830010 |
2539423 | Certificate of Analysis | 09/06/2025 | 383835000,383830010 |
2400761 | Certificate of Analysis | 31/01/2025 | 383835000,383830010 |
2497475 | Certificate of Analysis | 31/01/2025 | 383835000,383830010 |
2407182 | Certificate of Analysis | 30/01/2025 | 383835000,383830010 |
Safety and Handling
- Buffer solution pH 4 (phthalate) traceable to NIST
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