1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid

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Names

[ CAS No. ]:
90-20-0

[ Name ]:
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid

[Synonym ]:
H Acids
kyselina1-amino-8-naftol-3,6-disulfonova
1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID
1-Amino-8-naphthol-3,6-disulphonicacid
1-amino-8-hydroxynaphtalene-3,6-disulfonic acid
4-hydroxy-5-amino-2,7-naphthalenedisulfonic acid
kyselinah
8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
1-amino-8-hydroxynaphthalene-3,6-disulfonic acid
MFCD00035728
EINECS 201-975-7
Sulfonphthol
1-Naphthol-8-amino-3,6-disulfonicacid
kyselina8-amino-1-naftol-3,6-disulfonova
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
1-hydroxy-8-aminonaphthalene-3,6-disulfonic acid
1-Amino-8-hydroxy-3,6-disulfonaphthalene
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid

Chemical & Physical Properties

[ Density]:
1.9±0.1 g/cm3

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C10H9NO7S2

[ Molecular Weight ]:
319.311

[ Exact Mass ]:
318.982056

[ PSA ]:
171.75000

[ LogP ]:
-3.45

[ Index of Refraction ]:
1.764

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QJ6180000
CHEMICAL NAME :
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
CAS REGISTRY NUMBER :
90-20-0
BEILSTEIN REFERENCE NO. :
2225829
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H9-N-O7-S2
MOLECULAR WEIGHT :
319.32
WISWESSER LINE NOTATION :
L66J BZ DSWQ HSWQ JQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1058,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4161 No. of Facilities: 25 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 737 (estimated)

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ WGK Germany ]:
3

[ HS Code ]:
2922299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,3,6-Naphthalenetrisulfonicacid, 8-amino-
  • 4,5-diaminonaphthalene-2,7-disulfonic acid
  • naphthalene-2,7-disulfonic acid
  • Sulfuric acid
  • 1H-naphtho[1,8-de][1,2,3]triazine-5,8-disulfonic acid
  • Water
  • 2-phosphonooxy-acrylic acid methyl ester
  • 4,5-dinitronaphthalene-2,7-disulfonic acid
  • 1-amino-4-methyl-3-phenyl-Δ2-1,2,4-triazolin-5-one

DownStream

  • 8-Amino-2-(3-chloro-2-hydroxy-5-nitrophenylazo)-1-naphthol-3,6-disulfonic Acid
  • 4-hydroxy-5-(phenylamino)naphthalene-2,7-disulfonic acid
  • (3E)-5-amino-3-[(8-hydroxy-3,6-disulfo-naphthalen-1-yl)hydrazinylidene]-4-oxo-naphthalene-2,7-disulfonic acid
  • 5-amino-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid
  • 2-Aminonaphthalene-1-sulfonic acid
  • Direct Blue 14
  • K Acid
  • 4-Acetamido-5-hydroxynaphthalene-2,7-disulphonic acid
  • 2,7-Naphthalenedisulfonicacid, 5-amino-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
  • 4,5-Dihydroxy-2,7-naphthalenedisulfonic 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 Acid
  • 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid, sodium salt
  • 5-amino-4-hydroxy-3-[(1-sulpho-2-naphthyl)azo]naphthalene-2,7-disulphonic acid
  • chromotropic acid disodium salt
  • 2-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid
  • 2-[[1-amino-7-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulphophenyl]azo]-8-hydroxy-3,6-disulpho-2-naphthyl]azo]naphthalene-1,5-disulphonic acid