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Erytrosine B (C.I. 45430) For Microscopy Certistain 25 Gr (Mikroskopi İçin Eritosin B (C.I. 45430)) CAS: 16423-68-0

Erytrosine B (C.I. 45430) For Microscopy Certistain 25 Gr (Mikroskopi İçin Eritosin B (C.I. 45430)) CAS: 16423-68-0

Kategori

Asit Alkali & pH İndikatörleri

Marka

Merck

Stok Kodu

115936.0025

3 Günde Kargoda

Stok Sorunuz

Erytrosine B (C.I. 45430) For Microscopy Certistain 25 Gr (Mikroskopi İçin Eritosin B (C.I. 45430)) CAS: 16423-68-0

CAS #: 16423-68-0 EC Number: 240-474-8 Molar Mass: 879.87 g/mol Hill Formula: C₂₀H₆I₄Na₂O₅

Description
Catalogue Number	115936
Synonyms	Tetraiodofluorescein disodium salt
Description	ERYTHROSINE B (C.I. 45430) FOR MICROSCOP
Overview	Erythrosin B (C.I. 45430) is a CERTISTAIN® dry dye for microscopy that is often used as a counterstain, vizualising proteins, connective tissues, fibers and keratin in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of the commonly used aqueous or alcoholic Erythrosin B staining solutions. As the dye belongs to the portfolio of Certistain® dyes, it is chemically analyzed according to strict specifications before release (CE marked and IVD product) and a high staining quality, with reliable staining results is guaranteed.

Applications
Application	Certistain® dry dye used for counterstaining

Physicochemical Information
Density	0.625 - 0.731 g/cm3 (30.1 °C)
Flash point	182 °C
Melting Point	315 °C
pH value	6.4 (H₂O, 30.3 °C)
Bulk density	470 kg/m3
Solubility	100 g/l

Toxicological Information
LD 50 oral	LD50 Rat 1840 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed. H413: May cause long lasting harmful effects to aquatic life.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P273: Avoid release to the environment. P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Warning
RTECS	LM5950000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
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.

Safety Information
Categories of danger	harmful

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Dye content (gravimetrically)	≥ 80 %
Identity - sodium	passes test
- UV/VIS-Spectrum	passes test
Absorption maximum λ max (water)	524 - 527 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water)	930 - 1170
TLC-Test	passes test
Loss on drying (110 °C)	≤ 10 %
Suitability for microscopy	passes test

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