Merck 103965.1000 Iron(II) sulfate heptahydrate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

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Ürün Özellikleri

7782-63-0 iron vitriol demir sülfat merck sülfat demir fer FeSO4 merck merck millipore merck chemicals EMSURE ACS ISO Reag. Ph Eur iron sulfate

CAS # EC Number Hill Formula Chemical Formula Molar Mass Grade Value
7782-63-0 233-336-3 FeO₄S * 7H₂O FeSO₄ * 7H₂O 278.02 g/mol ACS,ISO,Reag. Ph Eur
Description
Catalogue Number 103965
Replaces FX0260-1
Synonyms Iron vitriol

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

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 (20 °C)

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.
Signal Word Warning
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 precipitaded by ammonium hydroxide ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur

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