Skip to Content
MilliporeSigma
All Photos(1)

Documents

1.02402

Supelco

Iron(II) ethylenediammonium sulfate

Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

Synonym(s):

Iron(II) ethylenediammonium sulfate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(CH2NH3)2SO4 · FeSO4 · 4H2O
CAS Number:
113193-60-5
Molecular Weight:
382.15
UNSPSC Code:
41116107
EC Index Number:
264-357-6

agency

ISO 17025
reag. Ph. Eur.

Quality Level

300

form

solid

technique(s)

titration: suitable

pH

4.0 (25 °C, 100 g/L in H2O)

solubility

170 g/L

bulk density

600 kg/m3

storage temp.

15-25°C

InChI

1S/C2H8N2.Fe.H2O4S/c3-1-2-4;;1-5(2,3)4/h1-4H2;;(H2,1,2,3,4)/q;+3;

InChI key

WAYQJNDEVYLLFJ-UHFFFAOYSA-N

Related Categories

General description

Iron(II) ethylenediammonium sulfate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in redox titrations, according to USP and Ph. Eur.

Features and Benefits

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Certified reference material according to ISO 17034
  • High-purity material traceable to NIST SRMs
  • Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
  • In accordance with the chapter reagents of USP and Ph. Eur
  • High-quality offering accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Legal Information

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

related product

Product No.
Description
Pricing

1.09074

Sulfuric acid, c(H2SO4) = 0.05 mol/l (0.1 N), Titripur®, reag. USP

1.09121

Potassium permanganate solution, standardised against sodium thiosulfate c(KMnO4) = 0.02 mol/l (0.1 N), Titripur®, reag. Ph. Eur.

1.04818

Potassium chloride solution, saturated with silver chloride 3 mol/l

1.09141

Sodium hydroxide solution, c(NaOH) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09065

Perchloric acid, in anhydrous acetic acid, for titrations in non-aqueous media c(HClO4) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09147

Sodium thiosulfate solution, c(Na2S2O3 5 H2O) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09081

Silver nitrate solution, c(AgNO3) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

1.09058

Hydrochloric acid solution, c(HCl) = 0.5 mol/l (0.5 N), Titripur®, reag. USP

1.04817

Potassium chloride solution, 3 mol/l

1.09138

Sodium hydroxide solution, c(NaOH) = 0.5 mol/l (0.5 N), Titripur®

1.09137

Sodium hydroxide solution, c(NaOH) = 1 mol/l (1 N), Titripur®, reag. Ph. Eur., reag. USP

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 7

1 of 7

Sodium chloride volumetric standard, secondary reference material for argentometry, traceable to NIST SRM Certipur® Reag. Ph Eur,Reag. USP

Supelco

1.02406

Sodium chloride

Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

Supelco

1.02400

Potassium hydrogen phthalate

Calcium pantothenate meets USP testing specifications, monograph mol wt. 476.53 (C18H32CaN2O10)

Sigma-Aldrich

C8731

Calcium pantothenate

4′-Chloroacetanilide 97%

Sigma-Aldrich

158631

4′-Chloroacetanilide

Cholesteryl benzoate 98%

Sigma-Aldrich

C75802

Cholesteryl benzoate

Cerium(IV) sulfate

Sigma-Aldrich

359009

Cerium(IV) sulfate

Eucalyptol analytical standard

Supelco

29210

Eucalyptol

Articles

Importance of Volumetric Solution Standardization

The titer determination or standardization of a titration solution is essential for accurate and reliable titration results. High quality solutions verified by high quality standards are the base for a reliable determinations.

Titration 4.0

SmartChemicals enable wireless transfer of CoA data stored on an RFID tag on the consumable bottle to the titrator, reducing effort and chance for human error. Crucial data required for the application is transmitted safely, reliably and intelligently to the instrument.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service