101965 SupelcoPotassium hydrogen phthalate
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00₅ (25°C) Certipur®. CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C).
More>> Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00₅ (25°C) Certipur®. CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C). Less<<Recommended Products
Overview
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Key Spec Table
| CAS # | EC Number | Hill Formula | Molar Mass |
|---|---|---|---|
| 877-24-7 | 212-889-4 | C₈H₅KO₄ | 204.22 g/mol |
Pricing & Availability
| Catalogue Number | Availability | Packaging | Qty/Pack | Price | Quantity | |
|---|---|---|---|---|---|---|
| 1.01965.0025 |
|
25 g |
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| Description | |
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| Catalogue Number | 101965 |
| References |
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| Product Information | |
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| CAS number | 877-24-7 |
| EC number | 212-889-4 |
| Hill Formula | C₈H₅KO₄ |
| Molar Mass | 204.22 g/mol |
| HS Code | 2917 39 39 |
| Structure formula Image | |
| Quality Level | MQ300 |
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| Physicochemical Information | |
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| Density | 1.571 g/cm3 (20 °C) |
| Flash point | 197.3 °C not applicable |
| Melting Point | 301.7 °C |
| pH value | 4.0 (50 g/l, H₂O, 20 °C) |
| Bulk density | 900 kg/m3 |
| Solubility | 80 g/l |
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| Materials Information |
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| Toxicological Information | |
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| LD 50 oral | LD50 Rat > 3200 mg/kg |
| Safety Information |
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| Product Usage Statements |
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| Storage and Shipping Information | |
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| Storage | Store at +15°C to +25°C. |
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| Specifications |
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| Global Trade Item Number | |
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| Catalogue Number | GTIN |
| 1.01965.0025 | 04022536026978 |
Documentation
Potassium hydrogen phthalate SDS
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Potassium hydrogen phthalate Certificates of Analysis
| Product Number | Packaging | Specification | Lot Number |
|---|---|---|---|
| 1.01965.0025 | PDF Specification Document |
Brochure
| Title |
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| Brochure: Physical & Chemical Property Standards for Analytical Characterization |
| pH Calibration is Now so Easy |
Technical Info
| Title |
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| Certification Report: Certipur® Secondary Buffer Substances |



