2-Aminonaphthalene-1-sulfonic acid

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Names

[ CAS No. ]:
81-16-3

[ Name ]:
2-Aminonaphthalene-1-sulfonic acid

[Synonym ]:
Tobias acid
MFCD00003988
2-Naphthylamine-1-sulfonic acid (Tobias acid)
2-Naphthylamine-1-sulphonic acid
EINECS 201-331-5
1-Naphthalenesulfonic acid, 2-amino-
2-Amino-1-naphthalenesulfonic acid
2-Aminonaphthalene-1-sulfonic acid
2-Amino-naphthalene-1-sulfonic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Melting Point ]:
180ºC

[ Molecular Formula ]:
C10H9NO3S

[ Molecular Weight ]:
223.248

[ Exact Mass ]:
223.030319

[ PSA ]:
88.77000

[ LogP ]:
1.32

[ Index of Refraction ]:
1.713

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QK1250000
CHEMICAL NAME :
1-Naphthalenesulfonic acid, 2-amino-
CAS REGISTRY NUMBER :
81-16-3
BEILSTEIN REFERENCE NO. :
0613084
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H9-N-O3-S
MOLECULAR WEIGHT :
223.26
WISWESSER LINE NOTATION :
L66J BSWQ CZ

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: -,1057,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
19400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1057,1986

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38;R40

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
2585

[ WGK Germany ]:
1

[ RTECS ]:
QK1250000

[ Packaging Group ]:
III

[ Hazard Class ]:
8

[ HS Code ]:
2921450090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • morpholine
  • 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid
  • 4,5,6-trifluorotriazine
  • 2-HYDROXY-1-NAPHTHALENESULFONIC ACID
  • Naphthalen-2-amine
  • Ammonia

DownStream

  • 2-Bromonaphthalene
  • 6-Amino-2-naphthalenesulfonic acid
  • 7-aminonaphthalene-2-sulphonic acid
  • 2-naphthylamine-8-sulfonic acid
  • Dahl's Acid
  • 2-Naphthalenethiol
  • 7h-benzo[c]carbazole
  • 6-aminonaphthalene-1,3-disulphonic acid
  • 7-Amino-1,3-naphthalenedisulfonic acid
  • 1,6-Dihydroxynaphthalene

Customs

[ HS Code ]: 2921450090

[ Summary ]:
2921450090 1-naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Articles

Reversed-phase liquid chromatographic determination of two manufacturing intermediates in D&C Red No. 34 and its lakes.

J. AOAC Int. 92(6) , 1639-43, (2009)

A reversed-phase LC method was developed to determine two manufacturing intermediates in the monosulfo monoazo color additive D&C Red No. 34 and its lakes. The analytes are 2-amino-1-naphthalenesulfon...

Reaction of 2-chlorobenzoxazole with anthranilic acids and 2-amino-1-naphthalenesulfonic acid.

J. Pharm. Sci. 57(8) , 1445-6, (1968)

Inclusion complex of 2-naphthylamine-6-sulfonate with beta-cyclodextrin: intramolecular charge transfer versus hydrogen bonding effects.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 66(4-5) , 1228-36, (2007)

The photophysical characteristics of the ground and excited states of 2-naphthylamine-6-sulfonate (2-NA-6-S) were investigated in different solvents and in beta-cyclodextrin (beta-CD). The spectral sh...


More Articles

Related Compounds

  • 2-aminonaphthalene-1-sulfonic acid,nickel
  • 3-aminonaphthalene-1-sulfonic acid
  • Sodium 2-Amino-1-naphthalenesulfonate
  • Dahl's Acid
  • 6-acetamido-4-aminonaphthalene-1-sulfonic acid
  • 1-naphthylamine-5-sulfonic acid
  • N-(6-chlorobenzo[d]thiazol-2-yl)-N-(3-(dimethylamino)propyl)-2-(1,3-dioxoisoindolin-2-yl)acetamide hydrochloride
  • N-(6-chlorobenzo[d]thiazol-2-yl)-N-(3-(dimethylamino)propyl)-4-ethoxybenzamide hydrochloride
  • N-(6-chlorobenzo[d]thiazol-2-yl)-N-(3-(dimethylamino)propyl)-2-phenylacetamide hydrochloride
  • N-(6-chlorobenzo[d]thiazol-2-yl)-N-(3-(dimethylamino)propyl)benzo[d]thiazole-6-carboxamide hydrochloride
  • N-(6-bromobenzo[d]thiazol-2-yl)-N-(3-(dimethylamino)propyl)-4-methylbenzamide hydrochloride
  • 4-[2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)pyrrolidine-1-carbonyl]-1-(2-phenylethenesulfonyl)piperidine
  • N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(3-methyl-2,4-dioxo-1,3,8-triazaspiro[4.5]decan-8-yl)acetamide
  • 2-[(2-fluorophenyl)formamido]-N-(1,3-thiazol-2-yl)acetamide
  • 3-Ethyl-8-(4-fluorobenzoyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione
  • Tert-butyl (3-(isopropylcarbamoyl)phenyl)carbamate
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