Description
Catalogue Number	111885
Description	GRAM-COLOR STAIN SET FOR THE GRAM STAINI
Overview	In bacteriology, the Gram staining allows a fast differentiation of bacteria in Gram-positive and Gram-negative. The mureine structure of the bacteria wall is the basis of the color affinity. In the first step, bacteria will be stained with crystal violet, an aniline dye. After the treatment with iodine solution (Lugol’s solution), a dye-iodine complex will form. During the decolorizing step, this complex stays in the multilayer mureine structure of the cell wall of Gram-positive bacteria - they will appear blue. Gram-negative bacteria have a monolayer mureine structure, the dye-iodine complex does not stay bound to the cell wall - they will be decolorized. Gram-negative bacteria will be counterstained with safranin solution and will then appear orange. The Gram-color stain set contains 5x 500 ml safe PE-bottles and is sufficient for staining up to 250 slides. It fulfills all quality requirements for IVD registration and CE certification.

Product Information
HS Code	3822 00 00

Safety Information according to GHS
Hazard Pictogram(s)
Precautionary Statement(s)	P210: Keep away from heat. P240: Ground/bond container and receiving equipment. P273: Avoid release to the environment. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Storage class	3 Flammable Liquids

Safety Information
Hazard Symbols	Irritant Flammable

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1993 Entzündbarer flüssiger Stoff, n.a.g.(ACETON UND ENTH. ETHANOL), 3, II
Declaration (transport by air) IATA-DGR	UN 1993 FLAMMABLE LIQUID, N.O.S.(ACETONE AND CONT. ETHANOL), 3, II
Declaration (transport by sea) IMDG-Code	UN 1993 FLAMMABLE LIQUID, N.O.S.(ACETONE AND CONT. ETHANOL), 3, II

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

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MERCK 111885 Gram-color Stain set for the Gram staining method

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