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4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS, Thermo Scientific Chemicals Product Code.: 11308047
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4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS, Thermo Scientific Chemicals

Product Code. 11308047
25 g
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Quantity:
5 g
25 g
100 g
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Product Code. 11308047

Brand: Thermo Scientific Alfa Aesar 022414.14

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Description

4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed TLC plates. It serves as an intermediate in the production of dyes, pigments, chelating reagents, sulfonic and sulfinic acids.

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

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 5808-22-0
Molecular Formula C10H6O8S2
Molecular Weight (g/mol) 318.27
MDL Number MFCD00150612
InChI Key HLVXFWDLRHCZEI-UHFFFAOYSA-L
Synonym chromotropic acid sodium salt, 4,5-dihydroxy-2,7-naphthalenedisulfonate, di sodium; 4,5-dihydroxy-7-sulfo-naphthalene-2-sulfonic acid, 4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, acs 5gShow MoreShow Less
PubChem CID 124202444
IUPAC Name 4,5-dihydroxynaphthalene-2,7-disulfonic acid;sodium;dihydrate
SMILES OC1=CC(=CC2=CC(=CC(O)=C12)S([O-])(=O)=O)S([O-])(=O)=O

Specifications

Melting Point >300°C
Color White
Quantity 25 g
Beilstein 3647189
Merck Index 14,2241
Solubility Information Soluble in water.
Formula Weight 400.29 (364.26 Anhydrous)
Grade ACS
Physical Form Powder
Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate

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Lot Number Certificate Type Date Catalog Number
Lot NumberN21L049 Certificate TypeCertificate of Analysis Date24/02/2025 Catalog Number022414.06,022414.14,022414.22
Lot NumberX08K004 Certificate TypeCertificate of Analysis Date17/10/2024 Catalog Number022414.06,022414.14,022414.22
Lot NumberX13J007 Certificate TypeCertificate of Analysis Date25/10/2023 Catalog Number022414.06,022414.14,022414.22
Lot NumberS27J045 Certificate TypeCertificate of Analysis Date04/07/2023 Catalog Number022414.06,022414,022414.14,022414.22
Lot NumberY21I019 Certificate TypeCertificate of Analysis Date07/12/2022 Catalog Number022414.06,022414.14,022414.22

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