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  7. 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate, Thermo Scientific Chemicals

4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate, Thermo Scientific Chemicals

Product Code. 16687012 Shop All Thermo Scientific Chemicals Products
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250 g
1 kg
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Product Code. 16687012 Supplier Thermo Scientific Acros Supplier No. 378102500
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Description

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 1,8-Dihydroxynaphthalene-3,6-disulfonic acid, disodium salt dihydrate; Chromotropic acid, disodium salt dihydrate
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

Alpha Vector DIHYDROXYNAPHTHALENEDISULFONICACID 021
Melting Point >300°C
Color Brown to White
Infrared Spectrum Conforms
Assay Percent Range ≥88 % (Titration acid)
Packaging glass bottle
Quantity 250 g
Solubility Information soluble aq. soln.
Formula Weight 400.28
Physical Form Crystals or Powder
Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
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Safety and Handling

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Product Identifier
  • 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
 Signal Word
  • Warning
 Hazard Category
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
 Precautionary Statement
  • 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/soap.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P332+P313-If skin irritation occurs: Get medical advice/attention.
  • P337+P313-If eye irritation persists: Get medical advice/attention.
 Supplemental information
  • MIXTURE LIST-Contain: Chromotropic acid disodium salt dihydrate

RUO – Research Use Only

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