missing translation for 'onlineSavingsMsg'
Learn More
  1. Home
  2. Products
  3. Chemicals
  4. Organic compounds
  5. Benzenoids
  6. Naphthalenes
  7. 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate, ACS reagent, Thermo Scientific Chemicals

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

Product Code. 10287650
Click to view available options
Quantity:
10 g
25 g
100 g
Packaging:
Glass bottle
This item is not returnable. View return policy
This item is not returnable. View return policy

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 C10H6O8S2
Molecular Weight (g/mol) 318.27
MDL Number MFCD00150612
InChI Key HLVXFWDLRHCZEI-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
SMILES OC1=CC(=CC2=CC(=CC(O)=C12)S([O-])(=O)=O)S([O-])(=O)=O

Specifications

Melting Point >300.0°C
Color Beige-Gray to White or Brown
Infrared Spectrum Authentic
Packaging Glass bottle
Quantity 25 g
Beilstein 11, 307
Sensitivity To nitrate: Passes Test, To formaldehyde: Passes Test
Merck Index 15, 2245
Solubility Information Solubility in water: very soluble
IUPAC Name 4,5-dihydroxynaphthalene-2,7-disulfonate
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
Show More Show Less

Safety and Handling

compliance-icons
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
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
  • H315-Causes skin 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/.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only

missing translation for 'provideContentCorrection'

missing translation for 'productTitle'

missing translation for 'byClickingSubmit' missing translation for 'privacyPolicy'.