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?????7???

?????7???
?????7??? ??? ???
?? ??:
7782-63-0
???:
?????7???
???(??):
??,?(2+)?(1:1),?????(SULFURICACID,IRON;??????;??;?(2+)????????;?(II)???(1:1),?????(IRON;????;???1?;?(II)???;???1??????;???1?,????;???;?????;?????7???;???(Ⅱ);?????????;???(Ⅱ)????;???1?,????(FERROUSSULFATE,HEPTAHYDRATE);???1?7???;???????
???:
Ferrous sulfate heptahydrate
???(??):
Iron(II) sulfate heptahydrate;FERROIN;sulfate heptahydrate;FERROIN INDICATOR SOLUTION;Iron(Ⅱ) sulfate heptahydrate;FERROIN INDICATOR;Ferrous sulfate hept;ferrous sulfate granular;FerrousSulphateMonohydrate;Iron(II)sulphateheptahydrate,98%
CBNumber:
CB9232125
???:
FeH14O11S
??? ??:
278.01
MOL ??:
7782-63-0.mol
MSDS ??:
SDS

?????7??? ??

???
64 °C
??
1.898 g/mL at 25 °C (lit.)
?? ??
600kg/m3
???
14.6 mm Hg ( 25 °C)
?? ??
Store at +15°C to +25°C.
???
25.6g/100mL(20°C)
??? ??
??
??
?? ??? ? ???
Specific Gravity
1.898
??????(pH)
3.0-4.0 (25℃, 50mg/mL in H2O)
??
?? ????? ????? ????. ?? ??
???
25.6g/100mL(20℃)
??
Air Sensitive & Hygroscopic
Merck
14,4057
?? ??
ACGIH: TWA 1 mg/m3
NIOSH: TWA 1 mg/m3
???
????. ??? ? ???? ?? ???? ?????. ??? ??? ?????.
InChI
1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChIKey
SURQXAFEQWPFPV-UHFFFAOYSA-L
SMILES
[Fe+2].[S](=O)(=O)([O-])[O-].O.O.O.O.O.O.O
LogP
-1.031 (est)
CAS ??????
7782-63-0(CAS DataBase Reference)
EPA
Ferrous sulfate heptahydrate (7782-63-0)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn
?? ???? ?? 22-36/38
????? 36/37/39-46
????(UN No.) UN3077
WGK ?? 1
RTECS ?? NO8510000
F ?????? 10-23
TSCA Yes
?? ?? 9
HS ?? 28332950
???? ??? 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
?? LD50 in mice: 65 mg/kg i.v.; 1.52 g/kg orally (Hoppe)
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
2 1

?????7??? MSDS


Ferrous sulfate heptahydrate

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??

§184.1315(a) Ferrous sulfate heptahydrate (iron (II) sulfate heptahydrate, FeS04-7H2O) is prepared by the action of sulfuric acid on iron. It occurs as pale, blueish-green crystals or granules. Progressive heating of ferrous sulfate heptahydrate produces ferrous sulfate (dried). Ferrous sulfate (dried) consists primarily of ferrous sulfate monohydrate (CAS No. 17375-41-6) with varying amounts of ferrous sulfate tetrahydrate (CAS No. 20908-72-9) and occurs as a grayish-white to buff-colored powder.

??? ??

light blue or light blue-green solid

??

Used in quantitative analysis of nitrates .

??

ChEBI: A hydrate that is the heptahydrate form of iron(2+) sulfate. It is used as a source of iron in the treatment of iron-deficiency anaemia (generally in liquid-dosage treatments; for solid-dosage treatments, the monohydrate is normally used).

?? ??

A greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64°C and loses the seven waters of hydration at 90°C. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used for water or sewage treatment, as a fertilizer ingredient.

??? ?? ??

Water soluble

?? ???

Ferrous sulfate heptahydrate is a weak reducing agent.

????

INGESTION: abdominal pain, retching, diarrhea, dehydration, shock, pallor, cyanosis, rapid or weak pulse, shallow respiration, low blood pressure.

Safety Profile

Poison by intravenous, intraperitoneal, and subcutaneous routes. Moderately toxic by ingestion and rectal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of SOx.

??? ??

It is used as a fertilizer, food or feed additive; and in herbicides; process engraving; dyeing, and water treatment. A byproduct of various chemical and metal treating operations.

Purification Methods

Crystallise the sulfate from 0.4M H2SO4, or precipitate it from an aqueous solution with EtOH. It is efflorescent in dry air, and is converted to the tetrahydrate at 57o, then to the monohydrate at 65o (or by heating the heptahydrate in a vacuum at 140o). It forms a brown-black complex, FeSO4.NO, with nitric oxide and is used in a qualitative test for nitrates (“brown ring” test).

? ???

Aqueous solution is acidic. Contact with alkalies form iron. Keep away from alkalies, soluble carbo nates; gold and silver salts; lead acetate; lime water, potassium iodide; potassium and sodium tartrate; sodium borate; tannin.

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