2-Aminonaphthalene-1-sulfonic acid

Modify Date: 2024-01-08 09:43:55

2-Aminonaphthalene-1-sulfonic acid Structure
2-Aminonaphthalene-1-sulfonic acid structure
 Common Name 2-Aminonaphthalene-1-sulfonic acid
CAS Number 81-16-3 Molecular Weight 223.248
Density 1.5±0.1 g/cm3 Boiling Point N/A
Molecular Formula C10H9NO3S Melting Point 180ºC
MSDS Chinese USA Flash Point N/A

 Names

Name 2-Naphthylamine-1-Sulfonic Acid
Synonym More Synonyms

 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

 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

morpholine structure

morpholine

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2-Aminonaphthalene-1-sulfonic acid Structure

2-Aminonaphthal...

CAS#:81-16-3
Literature: US5239063 A1, ;
2-HYDROXY-1-NAPHTHALENESULFONIC ACID structure

2-HYDROXY-1-NAP...

CAS#:567-47-5

~%

2-Aminonaphthalene-1-sulfonic acid Structure

2-Aminonaphthal...

CAS#:81-16-3
Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>70, p. 347 Journal fuer Praktische Chemie (Leipzig), , vol. <2>69, p. 80 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 69, p. 73 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 70, p. 349
Naphthalen-2-amine structure

Naphthalen-2-amine

CAS#:91-59-8

~%

2-Aminonaphthalene-1-sulfonic acid Structure

2-Aminonaphthal...

CAS#:81-16-3
Literature: DE392460 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 14, p. 405
2-HYDROXY-1-NAPHTHALENESULFONIC ACID structure

2-HYDROXY-1-NAP...

CAS#:567-47-5
Ammonia structure

Ammonia

CAS#:7664-41-7

~%

2-Aminonaphthalene-1-sulfonic acid Structure

2-Aminonaphthal...

CAS#:81-16-3
Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>70, p. 347 Journal fuer Praktische Chemie (Leipzig), , vol. <2>69, p. 80 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 69, p. 73 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 70, p. 349

 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%

 Articles5

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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...

 Synonyms

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
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