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111732 Trypan blue (C.I. 23850)

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111732
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Overview

Replacement Information
Description
Catalogue Number111732
SynonymsBenzamine blue, Tolidine-disazo-bis-8-amino-1-naphthol-3,6-disulfonic acid tetrasodium salt, 3,3'-Dimethyl-4,4'-bis(5-amino-4-hydroxy-2,7-disulfonaphthyl-3-azo)-[1,1'-biphenyl] tetrasodium salt
DescriptionTrypan blue (C.I. 23850)
OverviewTrypan blue (C.I. 23850) for microscopy, is a dry dye for the preparation of a color staining solution, staining histological sample material of human origin, e.g. trichrome staining in collagenous connective tissue.
The dye is a CE certified IVD product and has a constant dye content and a reliable high quality, which is one of the major precondition for a reproducible diagnostic staining.
References
Product Information
CAS number72-57-1
EC index number611-030-00-4
EC number200-786-7
Hill FormulaC₃₄H₂₄N₆Na₄O₁₄S₄
Molar Mass960.82 g/mol
HS Code3212 90 00
Structure formula ImageStructure formula Image
Quality LevelMQ400
Applications
Applicationfor microscopy
Biological Information
Physicochemical Information
Melting Point300 °C (decomposition)
pH value9.8 (10 g/l, H₂O, 20 °C)
Bulk density800 kg/m3
Solubility10 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 6200 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s)H350: May cause cancer.
Precautionary Statement(s)P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
P405: Store locked up.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal WordDanger
RTECSQJ6475000
Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
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
Categories of dangercarcinogenic
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Dye content (spectrophotometrically)≥ 80 %
Identity
- sodium

passes test
- UV/VIS-Spectrumpasses test
Absorption maximum λ max (water)590 - 600 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water)650 - 820
TLC-Testpasses test
Loss on drying (110 °C)≤ 15 %
Suitability for microscopypasses test