Description
Catalogue Number	109218
Description	GRAM'S CRYSTAL VIOLET SOLUTION FOR THE G
Overview	The Gram staining allows a fast differentiation of bacteria in Gram-positive and Gram-negative. The mureine structure of the bacteria walls is the basis of the color affinity. Bacteria will be stained with Gram's crystal violet solution - an aniline dye - in the first step. After the treatment with iod solution (Lugol’s solution), a dye-iod complex will form. During the decolorizing step, this complex stays in the multilayer mureine structures of the Gram-positive bacteria and they will appear blue. Gram-negative bacteria have a monolayer mureine structure only, the dye-iod complex does not stay bound to the cellwall, they will be decolorized . Gram-negative bacteria will be counterstained by safranin solution and appear orange. A bottle with 500 ml Gram's crystal violet solution is sufficient for staining up to 250 slides. Gram's crystal violet solution is also available as part of the Gram-color stain set. It is an IVD product and CE registered.

Merck 109218 Gram’s Crystal Violet Solution 500 g

Product Information
HS Code	3204 19 00

Physicochemical Information
Density	0.99 g/cm3 (20 °C)
Flash point	47 °C

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H226: Flammable liquid and vapour. H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)	P210: Keep away from heat. P273: Avoid release to the environment.
Storage class	3 Flammable liquids
WGK	WGK 1 slightly water endangering
Disposal	28 Aqueous solutions: Container D.

Safety Information
Categories of danger	flammable, dangerous for the environment
R Phrase	R 10-52/53 Flammable.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase	S 61 Avoid release to the environment. Refer to special instructions/ Safety data sheets.

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1993 , 3, III
Declaration (transport by air) IATA-DGR	UN 1993 , 3, III
Declaration (transport by sea) IMDG-Code	UN 1993 , 3, III

Specifications
Suitability for microscopy	passes test
Staphylococcus aureus	dark blue-violet
E.coli	pink to red

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Etiketler :

merck crystal violet crystal violet indicator merck crystal violet powder merck kristal viyole çözeltisi gram crystal violet gram crystal violet sds gram boyama nedir gram boyama kristal viyole kristal viyole boyası

Merck 109218 Gram’s Crystal Violet Solution 500 g

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