213330
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213330
Sigma-Aldrich
Ammonium chloride
ACS reagent, ≥99.5%
| Synonym: | Salmiac |
| CAS Number: | 12125-02-9 |
| Linear Formula: | NH4Cl |
| Molecular Weight: | 53.49 |
| Beilstein Registry Number: | 4371014 |
| EC Number: | 235-186-4 |
| MDL number: | MFCD00011420 |
| PubChem Substance ID: | 24852773 |
Description
| Packaging | 12 kg in poly drum |
| 2.5 kg in poly btl | |
| 25, 500, 6×500 g in poly btl |
Properties
| grade | ACS reagent |
| vapor density | 1.9 (vs air) |
| vapor pressure | 1 mmHg ( 160.4 °C) |
| assay | ≥99.5% |
| total impurities | ≤0.005% insolubles |
| ign. residue | ≤0.01% |
| pH | 4.5-5.5 (25 °C, 5%) |
| mp | 340 °C (subl.)(lit.) |
| anion traces | phosphate (PO4-): ≤2 ppm |
| sulfate (SO42-): ≤0.002% | |
| cation traces | Ca: ≤0.001% |
| Fe: ≤2 ppm | |
| Mg: ≤5 ppm | |
| heavy metals (as Pb): ≤5 ppm |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xn |
| Risk Statements | 22-36 |
| Safety Statements | 22 |
| RIDADR | UN3077 9/PG 3 |
| WGK Germany | 1 |
| RTECS | BP4550000 |
References
| Merck | Merck 13,510 |
| reference | Corp MSDS 1 (1), 233:D / IR-Spectra (3), 1521:D / RegBook 1 (3), 3325:H / Sax 6, 260 / Sigma FT-IR 1 (2), 1012:C |
