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  7. 4,5-Dihydroxynaphthalene-2,7-disulfonic Acid, Disodium Salt Dihydrate, 98%

4,5-Dihydroxynaphthalene-2,7-disulfonic Acid, Disodium Salt Dihydrate, 98%

Product Code. 10497740 Shop All Thermo Scientific Chemicals Products
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Quantity:
25 g
100 g
500 g
Packaging:
Glass bottle
Unit Size:
100g
25g
500g
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Product Code. 10497740

Brand: Thermo Scientific Acros 155190250

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Description

4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate, 98%, C10H6Na2O8S2.2H2O, CAS Number-5808-22-0 | 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.

TRUSTED_SUSTAINABILITY

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

CAS Min % 97.5
CAS Max % 100.0
Melting Point >300.0°C
Color Beige-Gray to White or Brown
Infrared Spectrum Authentic
Assay Percent Range 98%
Packaging Glass bottle
Quantity 25 g
Beilstein 11, 307
Merck Index 15, 2245
Solubility Information Solubility in water: very soluble
Formula Weight 400.28
Percent Purity 98%
Insoluble Matter 0.02% max. (in water)
Physical Form Powder
Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
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Sicherheit und Handhabung

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Produktidentifikator
  • 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
 Signalwort
  • Warning
 Gefahrenkategorie
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
 Gefahrenhinweis
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
  • H315-Causes skin irritation.
 Sicherheitshinweis
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P302+P352-IF ON SKIN: Wash with plenty of water/.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Sicherheitsdatenblatt (SDS)

RUO – Research Use Only

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