Potassium Phthalate, Crystal AR (ACS) Primary Standard, Macron™
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Potassium Phthalate, Crystal AR (ACS) Primary Standard, Macron™
Formula: 1-KOCOC6H4-2-COOH
Formula Weight: 204.22
| TEST |
SPECIFICATION |
| Meets A.C.S. Specifications |
| Assay (1-KOCOC6H4-2-COOH) |
99.95 - 100.05% |
| Chlorine Compounds (as Cl) |
max. 0.003% |
| Heavy Metals (as Pb) |
max. 5 ppm |
| Insoluble Matter |
max. 0.005% |
| Iron (Fe) |
max. 5 ppm |
| pH of 0.05M Solution at 25°C |
4.00 - 4.02 |
| Sodium (Na) |
max. 0.005% |
| Sulfur Compounds (as S) |
max. 0.002% |
| Traceable to NIST |
| |
| Product Information (not specifications): |
| Appearance (white crystals) |
| |
| For Laboratory, Research or Manufacturing Use |
| CAS Number |
877-24-7 |
| HTS Number |
2917393000 |
| Specific Gravity |
1L = 1.64 Kg |
| Storage Color Code |
Green |
| Management of Change |
N |