2-Aminonaphthalene-1-sulfonic acid
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
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
Precursor & DownStream
Precursor
DownStream
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
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...