مشخصات فنی
| 7783-20-2 | CAS-No |
|---|---|
|
231-984-1
|
EC-No
|
|
(NH4)2SO4
|
Linear Formula
|
|
Colourless crystals or chunks
|
Appearance
|
|
754 g/l (20ºC)
|
Solubility In H2O
|
|
5-6 (50 g/l, H2O, 20ºC)
|
pH value
|
|
132.14 g/mol
|
Molecular Weight
|
|
280°C (decomposition)
|
Melting point
|
|
1.77 g/cm3
|
Spec. density
|
|
960 Kg/m3
|
Bulk. Density
|
|
3102 21 00
|
HS-No
|
|
Acute toxicity, Eye irritation, Skin irritation, H302, H319, H315, H335, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, P501 LGK 10 -13
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
≥ 97%
|
Assay
|
|
≤ 0.001%
|
Arsenic (As)
|
|
≤0.001%
|
Iron (Fe)
|
|
≤ 0.002%
|
Heavy metals (as Pb)
|
|
≤ 0.002%
|
Chlorides (Cl)
|
|
≤ 0.005%
|
Nitrates (NO3)
|
|
≤ 0.002%
|
Phosphates (PO4)
|
|
≤ 0.06%
|
Residue on ignition
|
