Iron(II) sulfate heptahydrate

SIGALD/215422 - ACS reagent, ≥99.0%

Synonym: Ferrous sulfate heptahydrate

CAS Number: 7782-63-0
Empirical Formula (Hill Notation): FeO₄S · 7H₂O
Molecular Weight: 278.01
EC Number: 231-753-5
MDL Number: MFCD00149719
Linear Formula: FeSO₄ · 7H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-215422-5G	5 g	$35.40 1/EA	Add To Favorites
45-215422-250G	250 g	$68.10 1/EA	Add To Favorites
45-215422-1KG	1 kg	$207.00 1/EA	Add To Favorites

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This image depicts SKU: 215422-250G

12 Principles of Green Chemistry: Principle 9—Catalytic reagents (as selective as possible) are superior to stoichiometric reagents.

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤0.001%
	phosphate (PO₄^3-): ≤0.001%
assay	≥99.0%
cation traces	Cu: ≤0.005%
	Fe³⁺: ≤0.1%
	Mn: ≤0.05%
	Zn: ≤0.005%
density	1.898 g/mL at 25 °C (lit.)
form	powder or crystals
grade	ACS reagent
greener alternative product characteristics	Catalysis Learn more about the Principles of Green Chemistry .
impurities	≤0.01% insolubles
	≤0.05% Substances not pptd by NH₄OH
InChI	1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key	SURQXAFEQWPFPV-UHFFFAOYSA-L
pH	3-4 (25 °C, 50 g/L)
Quality Level	200
reaction suitability	reagent type: catalyst core: iron
SMILES string	O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O
vapor pressure	14.6 mmHg ( 25 °C)

Application:	Iron(II) sulfate heptahydrate is used as a catalyst for greener amide bond formation from amines and aldehydes. It has been used in the synthesis of maghemite nanoparticles. Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
General description:	We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalysis. Click here for more information.
Packaging:	1 kg in poly bottle
Packaging:	5, 250 g in poly bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H302 - H315 - H319
Precautionary statements	P264 - P270 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
Hazard Codes	Xn
Risk Statements	22-36/38
Safety Statements	46
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0%
Density	1.898 g/mL at 25 °C (lit.)
UNSPSC	12352300

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