High purity Ammonium sulfate with best price and good quality CAS NO.7783-20-2

product name:

ammonium sulfate

synonyms:

(nh4)2 so4;actamaster;ammoniumsulfate(2:1);ammoniumsulfate(solution);caswellno.048;

diammoniumsulphate;dolamin;epapesticidechemicalcode005601

cas:

7783-20-2

mf:

h8n2o4s

mw:

132.14

product categories:

inorganics;a;alphabetical listings;analytical reagents;atomic absorption spectroscopy (aas);digestion reagents;pure salts for melting digestions (trace select)analytical/chromatography;trace analysis reagents;nitratealphabetic;biological buffers;molecular biology reagents;reagents;agriculture;stable isotopes;ammonium salts;acs gradesynthetic reagents;inorganic chemistry;food additives;fertilizer

mol file:

7783-20-2.mol

chemical properties

melting point

280 °c

boiling point

330 °c at 760 mmhg

density

1.77 g/ml at 25 °c(lit.)

refractive index

n20/d 1.396

fp

26 °c

vapor pressure

3.35e-05 mmhg at 25°c

storage temp.

2-8°c

solubility

h2o: 1 m at 20 °c, clear, colorless, insoluble in alcohol and acetone

water solubility

77 g/100 ml (25 ºc)

stability

stable. contact with strong oxidizers may cause fire or explosion. incompatible with strong bases.

specification

index name

analytically pure-ar

chemical pure-cp

high purity

content[(nh4)2so4)] /%

≥99.0

≥99.0

≥99.0

ph value(50g/l solvent,25℃)

4.8~6.0

4.8~6.0

4.8~6.0

clarity test

qualified

qualified

qualified

water insoluble/%

≤0.002

≤0.01

≤0.005

ignition residue( counted by sulfate ) /%

≤0.01

≤0.05

－

chloride(cl) /%

≤0.000 5

≤0.001

≤0.001

nitrate(no3) /%

≤0.001

≤0.005

－

phosphate(po4) /%

≤0.0005

≤0.002

－

arsenic(as) /%

≤0.00002

≤0.0002

≤0.0003

calcium(ca) /%

≤0.005

－

－

ferrum(fe) /%

≤0.0002

≤0.0005

≤0.0005

heavy metal(counted by pb) /%

≤0.0005

≤0.002

≤0.0003