FERROUS SULFATE
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|
PRODUCT
IDENTIFICATION
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| CAS
NO. |
7782-63-0
(Heptahydrate)
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|
| EINECS
NO. |
231-753-5
|
| FORMULA |
FeSO4.7H2O |
| MOL
WT. |
278.05 |
| H.S.
CODE |
2833.29 |
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TOXICITY
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|
| SYNONYMS |
Green Vitriol;
Copperas; Melanterite;
|
| Ferrous sulfate heptahydrate; Sulfuric acid, iron(2+)
salt, heptahydrate; Ferrosulfat (German); |
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SMILES
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CLASSIFICATION
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GENERAL
DESCRIPTION
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|
Ferrous Sulfate
Heptahydrate, also called copperas,
is a blue-green,
monoclinic crystals; soluble in water, melts at 64
C.
It is commercially generated as a by-product during the manufacture of Titanium Dioxide, or as
a by-product of the pickling of steel. It
is used as a mordant in dyeing wool, in the manufacture of
ink, in water purification as a substitute for aluminum sulfate,
as a fertilizer, and as a feed additive. It is used
to produce magnetic ferric oxide. |
|
PHYSICAL
AND CHEMICAL PROPERTIES
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| PHYSICAL
STATE |
blue-green
solid |
| MELTING
POINT |
65
C |
| BOILING
POINT |
300
C (Decomposes) |
| SPECIFIC
GRAVITY |
1.898 |
| SOLUBILITY
IN WATER |
Soluble |
| pH |
3.7 (10% sol.) |
| VAPOR
DENSITY |
9.59 |
| AUTOIGNITION
|
|
| NFPA
RATINGS |
Health:
1; Flammability: 0; Reactivity: 0 |
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REFRACTIVE
INDEX
|
|
| FLASH
POINT |
|
| STABILITY |
Stable
under ordinary conditions |
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APPLICATIONS
|
|
animal feed,
water treatment, fertilizers, catalysts, chemical manufacturing,
hazardous waste treatment, |
| SALES
SPECIFICATION |
|
APPEARANCE
|
Green
damp crystals
|
|
Fe
|
18.4%
min
|
|
Fe2(SO4)3 |
0.5%
max
|
|
TiO2
|
0.5%
max
|
|
Mn
|
0.6%
max
|
|
Cu
|
0.001%
max
|
|
WATER
INSOLUBLES
|
0.2%
max
|
| TRANSPORTATION |
| PACKING |
25kgs
in bag |
| HAZARD
CLASS |
9
(Packing group: III) |
| UN
NO. |
3077
|
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REMARKS |
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