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Ammonium sulfate Structure

Ammonium sulfate

Chemical Properties

Melting point >280 °C (dec.) (lit.)
Density  1.77 g/mL at 25 °C (lit.)
vapor pressure  <1 Pa (25 °C)
refractive index  n20/D 1.396
Flash point 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
PH 5.0-6.0 (25℃, 1M in H2O)
Odor Slight odor of ammonia
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.
LogP -5.1 at 25℃
FDA 21 CFR 184.1143; 582.1143; 177.1200
Substances Added to Food (formerly EAFUS) AMMONIUM SULFATE
SCOGS (Select Committee on GRAS Substances) Ammonium sulfate
CAS DataBase Reference 7783-20-2(CAS DataBase Reference)
EWG's Food Scores 2
EPA Substance Registry System Ammonium sulfate (7783-20-2)


Signal wordWarning
Hazard statements H412-H303
Precautionary statements P273
Hazard Codes  Xi,Xn
Risk Statements  10-36/37/38-22
Safety Statements  37/39-26-36-24/25
WGK Germany  1
RTECS  BS4500000
HS Code  31022100
Hazardous Substances Data 7783-20-2(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2840 mg/kg
NFPA 704:
3 0

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