Products 148-25-4

CAS 148-25-4 appears in our catalog under these names: Chromotropic acid, 1,8-Dihydroxynaphthylene-3,6-disulfonic acid, 1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 50 g, 1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 100 g, 1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 250 g. Offered by: GLPBio, Biosynth, Roth, Fluorochem, Ambeed. Available pack sizes: 100g, 500g, 50g, 250g, 10g, 5g, 25g.

Chromotropic acid
GLPBio
  • size: 100g, 500g
  • Variants: 2
from 531.51
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1,8-Dihydroxynaphthylene-3,6-disulfonic acid
Biosynth
  • size: 100g, 50g, 250g, 500g
  • Variants: 4
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1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 50 g
Roth
  • size: 50g
  • Variants: 1
from 1033.60
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1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 100 g
Roth
  • size: 100g
  • Variants: 1
from 1694.34
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1,8-Dihydroxynaphthylene-3,6-disulfonic, acid, 250 g
Roth
  • size: 250g
  • Variants: 1
from 3393.40
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4,5-Dihydroxynaphthalene-2,7-disulfonic acid
Fluorochem
  • size: 10g, 5g, 25g, 100g
  • Variants: 4
from 122.89
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4,5-Dihydroxynaphthalene-2,7-disulfonic acid, 96% （sodium salt xhydrate）
Ambeed
  • size: 25g, 100g, 500g
  • Variants: 3
from 175.69
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Structural formula: {0} (CAS {1})

Chromotropic acid is a naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5. It has a role as an indicator. It is a member of naphthalenediols and a naphthalenesulfonic acid.

Source: ChEBI

Identity
Molecular formulaC10H8O8S2
Molecular weight320.3 g/mol
IUPAC name4,5-dihydroxynaphthalene-2,7-disulfonic acid
InChIKeyHLVXFWDLRHCZEI-UHFFFAOYSA-N
SMILESC1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)O)O)S(=O)(=O)O

Computed by PubChem (NCBI)

Synonyms: 4,5-dihydroxynaphthalene-2,7-disulfonic acid, Chromotropic acid, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid, 1,8-Dihydroxynaphthylene-3,6-disulfonic acid, 4,5-Dihydroxynaphthalene-2,7-disulphonic acid, 1,8-dihydroxynaphthalene-3,6-disulfonic acid, CHROMOTROPIC ACID [MI], 4,5-dihydroxynaphthalene-2,7-disulfonicacid