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

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.

Specifications

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]

• Melting Point: >300°C
• Color: White
• Quantity: 100 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

SDS

RUO – Research Use Only