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

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

Catalog No. p-3778311
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Quantity:
10 g
25 g
100 g
Packaging:
Glass bottle
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Catalog No. Quantity Packaging
AC300600100 10 g Glass bottle
AC300600250 25 g Glass bottle
AC300601000 100 g Glass bottle
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Catalog No. AC300600100 Supplier Thermo Scientific Chemicals Supplier No. 300600100
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Description

CAS: 5808-22-0 | C10H6O8S2 | 318.27 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.

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 >300.0°C
Color Beige-Gray to White or Brown
Infrared Spectrum Authentic
Packaging Glass bottle
Quantity 10 g
Beilstein 11, 307
Sensitivity To nitrate: Passes Test, To formaldehyde: Passes Test
Merck Index 15, 2245
Solubility Information Solubility in water: very soluble
Formula Weight 400.28
Clarity Passes test
Grade ACS Reagent
Physical Form Powder
Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
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Safety and Handling

Hazard Category GHS Signal Word: Warning
Hazard Statement GHS H Statement
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.
Precautionary Statement GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
If skin irritation occurs: Get medical advice/attention.
If eye irritation persists: Get medical advice/attention.
Avoid breathing dust/fume/

RUO – Research Use Only