5P0R38CN2X 7789-00-6 Potassium chromate Potassium chromate(VI) Chromic acid (H2CrO4), dipotassium salt Chromic acid, dipotassium salt Chromic acid (H2CrO4), potassium salt (1:2) Bipotassium chromate Caswell No. 687 CCRIS 882 Chromate of potash Chromate of potass Dipotassium chromate Dipotassium chromate (K2CrO4) Dipotassium monochromate EINECS 232-140-5 EPA Pesticide Chemical Code 068301 HSDB 1249 Neutral potassium chromate Potassium chromate (K2(CrO4)) Tarapacaite UNII-5P0R38CN2X EC 232-140-5 Potassium chromate [Chromium and chromium compounds] CAS 7789-00-6
| CAS No. | 7789-00-6 |
| Molecular Formula | CrO4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5P0R38CN2X 7789-00-6 Potassium chromate Potassium chromate(VI) Chromic acid (H2CrO4), dipotassium salt Chromic acid, dipotassium salt Chromic acid (H2CrO4), potassium salt (1:2) Bipotassium chromate Caswell No. 687 CCRIS 882 Chromate of potash Chromate of potass Dipotassium chromate Dipotassium chromate (K2CrO4) Dipotassium monochromate EINECS 232-140-5 EPA Pesticide Chemical Code 068301 HSDB 1249 Neutral potassium chromate Potassium chromate (K2(CrO4)) Tarapacaite UNII-5P0R38CN2X EC 232-140-5 Potassium chromate [Chromium and chromium compounds].
5P0R38CN2X 7789-00-6 Potassium chromate Potassium chromate(VI) Chromic acid (H2CrO4), dipotassium salt Chromic acid, dipotassium salt Chromic acid (H2CrO4), potassium salt (1:2) Bipotassium chromate Caswell No. 687 CCRIS 882 Chromate of potash Chromate of potass Dipotassium chromate Dipotassium chromate (K2CrO4) Dipotassium monochromate EINECS 232-140-5 EPA Pesticide Chemical Code 068301 HSDB 1249 Neutral potassium chromate Potassium chromate (K2(CrO4)) Tarapacaite UNII-5P0R38CN2X EC 232-140-5 Potassium chromate [Chromium and chromium compounds] (CAS 7789-00-6) is a high-purity analytical reference standard with the molecular formula CrO4K and a molecular weight of 155.09 g/mol.
Structurally, 5P0R38CN2X 7789-00-6 Potassium chromate Potassium chromate(VI) Chromic acid (H2CrO4), dipotassium salt Chromic acid, dipotassium salt Chromic acid (H2CrO4), potassium salt (1:2) Bipotassium chromate Caswell No. 687 CCRIS 882 Chromate of potash Chromate of potass Dipotassium chromate Dipotassium chromate (K2CrO4) Dipotassium monochromate EINECS 232-140-5 EPA Pesticide Chemical Code 068301 HSDB 1249 Neutral potassium chromate Potassium chromate (K2(CrO4)) Tarapacaite UNII-5P0R38CN2X EC 232-140-5 Potassium chromate [Chromium and chromium compounds] (CrO4K) contains an inorganic composition. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 155.09 g/mol, it falls into the medium-molecular-weight range.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | CrO4 2*K |
| Molecular Weight | 155.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
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