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Thermo Scientific Chemicals Eosin Y, pure, certified Product Code.: 10577742
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Thermo Scientific Chemicals Eosin Y, pure, certified

Product Code. 10577742
25 g
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Quantity:
25 g
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Product Code. 10577742

Brand: Thermo Scientific Chemicals 409430250

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37.80 EUR valid until 2025-12-31
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Description

CAS: 17372-87-1 | C20H12Br4Na2O8 | 745.904 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator
TRUSTED_SUSTAINABILITY

Specifications

CAS 17372-87-1
Absorption Ratio 1.21 to 1.77
Dye Content 80% min.
Molecular Formula C20H12Br4Na2O8
MDL Number MFCD00005040
Beilstein 19, IV, 2917
Merck Index 15, 3658
Synonym 2',4',5',7'-Tetrabromofluorescein, disodium salt, Eosin Yellowish, C.I. 45380, 2', 4', 5'
InChI Key MASXMTNVNASWNH-UHFFFAOYSA-L
Infrared Spectrum Authentic
SMILES C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
IUPAC Name disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
Molecular Weight (g/mol) 745.904
PubChem CID 91886399
Lambda Max 515 to 518nm
Formula Weight 691.85
Grade Pure
Packaging Glass bottle
Density 1.0180g/mL
Color Brown to Brown/Green
Quantity 25 g
Physical Form Powder
Chemical Name or Material Eosin Y
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Certificates

Certificates

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberA0472096 Certificate TypeCertificate of Analysis Date17/05/2025 Catalog Number409430250
Lot NumberA0466551 Certificate TypeCertificate of Analysis Date30/09/2024 Catalog Number409430250
Lot NumberA0456729 Certificate TypeCertificate of Analysis Date02/10/2023 Catalog Number409430250
Lot NumberA0449875 Certificate TypeCertificate of Analysis Date27/01/2023 Catalog Number409430250
Lot NumberA0394692 Certificate TypeCertificate of Analysis Date14/12/2022 Catalog Number409430250

Safety and Handling

compliance-icons
Product Identifier
  • Eosin Y
 Signal Word
  • Warning
 Hazard Category
  • Serious eye damage/eye irritation Category 2
 Hazard Statement
  • H319-Causes serious eye irritation.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face 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.
SDS

RUO – Research Use Only

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