K Acid

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Names

[ CAS No. ]:
130-23-4

[ Name ]:
K Acid

[Synonym ]:
1,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
8-amino-1-hydroxynaphthalene-3,5-disulphonic acid
1-amino-8-hydroxy-naphthalene-4,6-disulphonic acid
4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid
4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid
1-hydroxy-8-aminonaphthalene-3,5-disulphonic acid
1 AMINO 8 HYDROXY 4:6 DISULFONIC ACID
5-hydroxy-4-aminonaphthalene-1,7-disulphonic acid
4-amino-5-hydroxy-naphthalene-1,7-disulphonic acid
MFCD00035711
K Acid
4-Amino-5-naphthol-1,7-disulfonic acid
EINECS 204-982-3
1-amino-8-naphtho-4,6-Disulfonic acid
EUROPEAN K-ACID
8-AMINO-1-NAPHTHOL-3,5-DISULFONIC ACID

Chemical & Physical Properties

[ Density]:
1.9±0.1 g/cm3

[ Molecular Formula ]:
C10H9NO7S2

[ Molecular Weight ]:
319.311

[ Exact Mass ]:
318.982056

[ PSA ]:
171.75000

[ LogP ]:
-2.91

[ Index of Refraction ]:
1.764

Safety Information

[ Hazard Codes ]:
Xi,T

[ Risk Phrases ]:
R41:Risk of serious damage to eyes.

[ Safety Phrases ]:
S26-S39

[ RIDADR ]:
2811

[ WGK Germany ]:
3

[ HS Code ]:
2922299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid
  • 1-Naphthylamine-4,6,8-trisulfonic acid

DownStream

  • 4-(benzoylamino)-5-hydroxynaphthalene-1,7-disulphonic acid

Customs

[ HS Code ]: 2922299090

[ Summary ]:
2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Related Compounds

  • K 76 carboxylic acid
  • K-salt of sulfoacetic acid ethylester
  • K-80003
  • K-Mg Aspartate
  • K 858
  • Ganoderic acid K
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1-[3-(3,5-dimethoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl]-2-methylpropan-1-one
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide