115940 Crystal violet (C.I. 42555)

115940
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      Overview

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      Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
      1159400025
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          Glass bottle 25 g
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          1159401000
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              Metal can 1 kg
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              Description
              Catalogue Number115940
              SynonymsHexamethylenepararosaniline chloride, Gentian violet (C.I. 42555), Hexamethyl-p-rosanilinium, Methyl violet 10 B
              DescriptionCRYSTAL VIOLET (C.I. 42555) FOR MICROSCO
              OverviewCrystal violet (C.I. 42555) is a CERTISTAIN® dry dye that can be used to produce a Crystal violet staining solution to differentiate Gram-positive and Gram-negative bacteria in samples of human origin. In the case of Gram-positive bacteria, the bacteria retain their dark blue / dark purple color even after the treatment with decolorizing solution. On the other side Gram-negative bacteria are stained red or pink with the counterstain.
              The CERTISTAIN® dry dye can be used for clinical diagnostic purposes as it is certified and registered as IVD and CE product.
              References
              Product Information
              CAS number548-62-9
              EC index number612-204-00-2
              EC number208-953-6
              Hill FormulaC₂₅H₃₀ClN₃
              Molar Mass407.99 g/mol
              HS Code3204 13 00
              Structure formula ImageStructure formula Image
              Applications
              ApplicationCertistain® dry dye used in Gram staining
              Biological Information
              Physicochemical Information
              Density1.19 g/cm3 (20 °C)
              Melting Point189 - 194 °C
              pH value2.5 - 3.5 (10 g/l, H₂O, 20 °C)
              Bulk density220 - 400 kg/m3
              Solubility10 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 420 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Statement(s)H302: Harmful if swallowed.
              H318: Causes serious eye damage.
              H351: Suspected of causing cancer.
              H410: Very toxic to aquatic life with long lasting effects.
              Precautionary Statement(s)P273: Avoid release to the environment.
              P280: Wear eye protection.
              P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              Signal WordDanger
              RTECSBO9000000
              Storage class10 - 13 Other liquids and solids
              WGKWGK 3 highly hazardous to water
              Disposal9
              Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
              Safety Information
              Hazard Symbols Hazard SymbolsDangerous for the environment
              Hazard SymbolsHarmful
              Categories of dangerharmful, carcinogenic, irritant, dangerous for the environment
              R PhraseR 22-40-41-50/53
              Harmful if swallowed.Limited evidence of a carcinogenic effect.Risk of serious damage to eyes.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
              S PhraseS 26-36/37/39-46-60-61
              In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +5°C to +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDUN 3077 , 9, III
              Declaration (transport by air) IATA-DGRUN 3077 , 9, III
              Declaration (transport by sea) IMDG-CodeUN 3077 , 9, III, Marine Pollutant: P
              Supplemental Information
              Specifications
              Dye content (spectrophotometrically)≥ 88 %
              Identity (UV/VIS-Spectrum)passes test
              Absorption maximum λ max (water)589 - 594 nm
              Spec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water)2050 - 2450
              TLC-Testpasses test
              Michler`s ketone< 0.10 %
              Loss on drying (110 °C)≤ 10 %
              Suitability for microscopypasses test