Ammonium sulfate
Chemical Name: Ammonium sulfate
CAS No.: 7783-20-2
Appearance: Yellow to orange Solid
Molecular Formula: H8N2O4S
Molecular weight: 132.14
Sample: Available
Products Description of Ammonium sulfateCAS#7783-20-2
Ammonium sulfate industrial product purity ≥ 99%, white crystalline powder, with slight ammonia odor. Melting point 280℃ (decomp), boiling point decomposes. Vapor pressure <1Pa (25℃), relative density 1.77 (20℃). Solubility in water: highly soluble, insoluble in ethanol and acetone. Stable, incompatible with strong oxidizing agents and strong bases.
Parameters
| Item | Value |
| Melting point | >280 °C (dec.) (lit.) |
| bulk density | 850kg/m3 |
| density | 1.77 g/mL at 25 °C (lit.) |
| vapor pressure | <1 Pa (25 °C) |
| refractive index | n20/D 1.396 |
| Fp | 26 °C |
| storage temp. | room temp |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| Specific Gravity | 1.769 |
| color | Yellow to orange |
| Odor | Slight odor of ammonia |
| PH | 5.0-6.0 (25℃, 1M in H2O) |
| PH Range | 5 – 6 |
| Water Solubility | 77 g/100 mL (25 ºC) |
| λmax | λ: 260 nm Amax: ≤0.037 λ: 280 nm Amax: ≤0.030 |
| Merck | 14,555 |
| Stability: | Stable. Contact with strong oxidizers may cause fire or explosion. Incompatible with strong bases. |
| InChIKey | BFNBIHQBYMNNAN-UHFFFAOYSA-N |
| LogP | -5.1 at 25℃ |
| CAS DataBase Reference | 7783-20-2(CAS DataBase Reference) |
| EPA Substance Registry System | Ammonium sulfate (7783-20-2) |
| Absorption | ≤0.030 at 280 in H2O at 1M ≤0.037 at 260 in H2O at 1M |
Safety Information
| Item | Value |
| Hazard Codes | Xi,Xn |
| Risk Statements | 10-36/37/38-22 |
| Safety Statements | 37/39-26-36-24/25 |
| WGK Germany | 1 |
| RTECS | BS4500000 |
| TSCA | Yes |
| HS Code | 31022100 |
| Hazardous Substances Data | 7783-20-2(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 2840 mg/kg |
Product Application of Ammonium sulfateCAS#7783-20-2
Ammonium sulfate is a typical Nitrogen-based, water-soluble, and fast acting fertilizer, for various soil and crop. It is used largely as an artificial fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil , while contributing essential nitrogen for plant growth.
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