| CAS No.: | 872-50-4 |
|---|---|
| Formula: | C5h9no |
| EINECS: | 212-828-1 |
|
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| Items | Micro-electronic grade | Electronic grade | Pharmaceutical grade | Industrial grade |
| Purity (GC, wt%) | ≥99.90 | ≥99.90 | ≥99.80 | ≥99.50 |
| Water (K.F., wt%) | ≤0.01 | ≤0.02 | ≤0.03 | ≤0.05 |
| Chroma (Hazen, APHA) | ≤5 | ≤10 | ≤20 | ≤25 |
| Density (@20ºC,g/ml) | 1.026~1.036 | 1.026~1.036 | 1.026~1.036 | 1.026~1.036 |
| Refractive index (@20ºC) | 1.465~1.475 | 1.465~1.475 | 1.465~1.475 | 1.465~1.475 |
| PH value (20ºC) 50% | 6.5~9.0 | 6.5~9.0 | 6.5~9.0 | 6.5~9.0 |
| Total amine (50%,ppm) | ≤10 | ≤20 | ≤30 | ≤50 |
| Chloride (Cl) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
| Phosphate (PO4) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
| Sulfate (SO4) ppm | ≤0.1 | ≤0.25 | ≤0.5 | ≤1 |
| Nitrate (NO3) ppm | ≤0.01 | ≤0.25 | ≤0.5 | ≤1 |
| Li, ppb | ≤10 | ≤20 | -- | -- |
| Na, ppb | ≤10 | ≤20 | -- | -- |
| Mg, ppb | ≤10 | ≤20 | -- | -- |
| Al, ppb | ≤10 | ≤20 | -- | -- |
| K, ppb | ≤10 | ≤20 | -- | -- |
| Ca, ppb | ≤10 | ≤20 | -- | -- |
| Cr, ppb | ≤10 | ≤20 | -- | -- |
| Mn, ppb | ≤10 | ≤20 | -- | -- |
| Fe, ppb | ≤10 | ≤20 | -- | -- |
| Co, ppb | ≤10 | ≤20 | -- | -- |
| Ni, ppb | ≤10 | ≤20 | -- | -- |
| Cu, ppb | ≤10 | ≤20 | -- | -- |
| Zn, ppb | ≤10 | ≤20 | -- | -- |
| Ag, ppb | ≤10 | ≤20 | -- | -- |
| Cd, ppb | ≤10 | ≤20 | -- | -- |
| Pb, ppb | ≤10 | ≤20 | -- | -- |
| Ti, ppb | ≤10 | ≤20 | -- | -- |
| B, ppb | ≤10 | ≤20 | -- | -- |
| As, ppb | ≤10 | ≤20 | -- | -- |
| Au, ppb | ≤10 | ≤20 | -- | -- |
| Hg, ppb | ≤10 | ≤20 | -- | -- |
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