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  7. 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS

4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS

Catalog No. AA2241406
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5 g
Catalog No. Quantity
AA2241406 5 g
AA2241414 25 g
AA2241422 100 g
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Catalog No. AA2241406

Supplier: Thermo Scientific Chemicals 02241406

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Description

CAS: 5808-22-0 | C10H6O8S2 | 318.27 g/mol

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.

Chemical Identifiers

CAS 5808-22-0
Molecular Formula C10H10Na2O10S2
Molecular Weight (g/mol) 400.28
MDL Number MFCD00150612
InChI Key QUEAKWJKJBFNEG-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 5g
PubChem CID 124202444
IUPAC Name 2,7-disodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
SMILES O.O.OC1=CC(=CC2=CC(=CC(O)=C12)S(=O)(=O)O[Na])S(=O)(=O)O[Na]

Specifications

Melting Point >300°C
Color White
Quantity 5 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

Safety and Handling

Hazard Category H315-H319-H335
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber 204-972-9
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only