CAS 81-16-3|2-Aminonaphthalene-1-sulfonic acid

Introduction：Basic information about CAS 81-16-3|2-Aminonaphthalene-1-sulfonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles5
7. Synonyms

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	/
Molecular Formula	C₁₀H₉NO₃S	Melting Point	180ºC
MSDS	ChineseUSA	Flash Point	/

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
InChIKey	GWIAAIUASRVOIA-UHFFFAOYSA-N
SMILES	Nc1ccc2ccccc2c1S(=O)(=O)O

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

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

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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