Merck 109033 Schiff's reagent for microscopy 500 mL
Catalogue Number	109033
Description	Schiff's reagent
Overview	Schiff‘s reagent -for microscopy for the periodic acid Schiff, or PAS reaction, is a ready-to-use solution used for the detection of mucopolysaccharides, glycogen, muco- and glycoproteins, glyco-, phospholipids, basal membranes and collagen. The PAS (periodic acid Schiff) reaction is one of the most frequently used chemical methods for the detection of aldehyde and mucosubstances in histology. In the PAS reaction, the histological specimen material is first treated with periodic acid, resulting in the oxidation of the 1,2-glycols into aldehyde groups. The addition of Schiff’s reagent (fuchsin-sulfuric acid) in the second step causes the aldehydes to react to form a brilliant red color. In the end result, the PAS reaction yields a specific color reaction with unsubstituted polysaccharides, neutral mucopolysaccharides, muco- and glycoproteins, and glyco- and phospholipids. The PAS reaction can be further combined with the Alcian blue staining method to detect mucosubstances (glycosaminoglycans). 500 ml are sufficient for approx. 2500 - 3000 stainings. It is registered as IVD and CE certified product and can be used for clinical diagnostics. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Product Information
HS Code	3212 90 00
Quality Level	MQ400

Applications
Application	for microscopy

Physicochemical Information
Density	1.01 g/cm3 (20 °C)
pH value	2.1 - 2.5 (H₂O, 25 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H290: May be corrosive to metals.
Precautionary Statement(s)	P234: Keep only in original packaging. P390: Absorb spillage to prevent material damage.
Signal Word	Warning
Storage class	8B Non-combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	28 Aqueous solutions: Container D.

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1789 , 8, III
Declaration (transport by air) IATA-DGR	UN 1789 , 8, III
Declaration (transport by sea) IMDG-Code	UN 1789 , 8, III, Segregation Group: 1 (Acids)

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Merck 109033 Schiff's reagent for microscopy 500 mL

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