آهن 2 سولفات 7 آبه 103965 مرک

Description
Catalogue Number	103965
Replaces	FX0260-1
Synonyms	Iron vitriol
Description	Iron(II) sulfate heptahydrate

Product Information
CAS number	7782-63-0
EC index number	026-003-01-4
EC number	233-336-3
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	FeO₄S * 7H₂O
Chemical formula	FeSO₄ * 7H₂O
Molar Mass	278.02 g/mol
HS Code	2833 29 80

Applications
Application	Iron(II) sulfate heptahydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur. CAS 7782-63-0, EC Number 233-336-3, chemical formula FeSO₄ * 7H₂O.

Physicochemical Information
Density	1.89 g/cm3 (20 °C)
Melting Point	>60 °C Elimination of water of crystallisation
pH value	3 - 4 (50 g/l, H₂O, 20 °C)
Bulk density	600 kg/m3
Solubility	400 g/l

Toxicological Information
LD 50 oral	LD50 Rat 319 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation.
Precautionary Statement(s)	P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
RTECS	NO8510000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Safety Information
Hazard Symbols	Harmful
Categories of danger	harmful, irritant
R Phrase	R 22-36/38 Harmful if swallowed.Irritating to eyes and skin.

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Specifications
Assay (manganometric)	99.5 - 102.0 %
Identity	passes test
Appearance of solution	passes test
Insoluble matter	≤ 0.01 %
pH-value (5 %; water)	3.0 - 4.0
Chloride (Cl)	≤ 0.0005 %
Phosphate (PO₄)	≤ 0.001 %
Total nitrogen (N)	≤ 0.001 %
Heavy metals as Pb	≤ 0.005 %
As (Arsenic)	≤ 0.0002 %
Ca (Calcium)	≤ 0.005 %
Cr (Chromium)	≤ 0.005 %
Cu (Copper)	≤ 0.001 %
Fe III (Iron III)	≤ 0.02 %
K (Potassium)	≤ 0.002 %
Mg (Magnesium)	≤ 0.002 %
Mn (Manganese)	≤ 0.05 %
Na (Sodium)	≤ 0.02 %
Ni (Nickel)	≤ 0.005 %
Pb (Lead)	≤ 0.0005 %
Zn (Zinc)	≤ 0.005 %
Substance not precipitated by ammonium hydroxide	≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur