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Merck 104094 Glycerol 85% For Analysis Emsure® Reag. pH Eur 2.5 L

Merck 104094 Glycerol 85% For Analysis Emsure® Reag. pH Eur 2.5 L

Kategori

Solventler

Marka

MERCK

Stok Kodu

LB.M.104094.2500

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Ön Siparişli Ürün

Stok Sorunuz

MERCK 104094 Gliserol yaklaşık %85, EMSURE® kalitesinde ACS, Reag. Ph Eur 2.5 L

Description
Catalogue Number	104094
Synonyms	Glycerin, 1,2,3-Propanetriol, Trihydroxylpropane, Protol
Overview	EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Product Information
Grade	Reag. Ph Eur
HS Code	2905 45 00
Structure formula Image

Physicochemical Information
Boiling point	>130 °C (1013 hPa)
Density	1.23 g/cm3 (20 °C)
Flash point	199 °C
Ignition temperature	429 °C
Melting Point	-10 °C
pH value	5 (100 g/l, H₂O, 20 °C)
Vapor pressure	8 hPa (20 °C)

Safety Information according to GHS
Storage class	10 Combustible liquids not in Storage Class 3
WGK	WGK 1 slightly water endangering
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Specifications
Assay (GC; calc. on hydrous substance)	84.5 - 85.5 %
Assay (alkalimetric after oxidation)	83.5 - 88.5 %
Identity	passes test
Appearance of solution	passes test
Acidity or alkalinity	passes test
Free alkali (as NH₃)	≤ 0.0005 %
Free acid (as CH₃COOH)	≤ 0.002 %
Refractive index (n 20/D)	1.449 - 1.455
Density (d 20/4)	1.218 - 1.225 g/cm³
Chloride (Cl)	≤ 0.0001 %
Sulphate (SO₄)	≤ 0.0005 %
Heavy metals (as Pb)	≤ 0.0001 %
halogenated compounds (as Cl)	≤ 0.0030 %
Aldehydes	≤ 10 ppm
Fe (Iron)	≤ 0.0001 %
NH₄ (Ammonium)	≤ 0.0005 %
Fatty Esters (as glycerintributyrate)	≤ 0.05 %
Esters	passes test
Readily carbonizable substances	passes test
Diethylene glycol and related Substances (impurity A)	≤ 0.1 %
Diethylene glycol and related Substances (any further impurity)	≤ 0.1 %
Diethylene glycol and related Substances (Sum of all impurities)	≤ 0.5 %
Sugar	passes test
Sulfated ash	≤ 0.005 %
Water	14.5 - 15.5 %

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