CAS 120-18-3|2-Naphthalenesulfonic acid

Introduction：Basic information about CAS 120-18-3|2-Naphthalenesulfonic 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. Articles3
7. Synonyms

Common Name	2-Naphthalenesulfonic acid
CAS Number	120-18-3	Molecular Weight	208.234
Density	1.4±0.1 g/cm3	Boiling Point	/
Molecular Formula	C₁₀H₈O₃S	Melting Point	124 °C
MSDS	ChineseUSA	Flash Point	/
Symbol	GHS05	Signal Word	Danger

Names

Name	naphthalene-2-sulfonic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.4±0.1 g/cm3
Melting Point	124 °C
Molecular Formula	C₁₀H₈O₃S
Molecular Weight	208.234
Exact Mass	208.019409
PSA	62.75000
LogP	1.70
Vapour Pressure	7.05E-12mmHg at 25°C
Index of Refraction	1.670
InChIKey	KVBGVZZKJNLNJU-UHFFFAOYSA-N
SMILES	O=S(=O)(O)c1ccc2ccccc2c1

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QK1225000

CHEMICAL NAME :: 2-Naphthalenesulfonic acid

CAS REGISTRY NUMBER :: 120-18-3

BEILSTEIN REFERENCE NO. :: 1955756

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H8-O3-S

MOLECULAR WEIGHT :: 208.24

WISWESSER LINE NOTATION :: L66J CSWQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4440 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(10),101,1974

Safety Information

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H290-H314
Precautionary Statements	P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Hazard Codes	C:Corrosive;
Risk Phrases	R35
Safety Phrases	S26-S36/37/39-S45
RIDADR	UN 2583 8/PG 2
WGK Germany	1
RTECS	QK1225000
Packaging Group	III
Hazard Class	8
HS Code	2904100000

Customs

HS Code	2904100000
Summary	2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Articles3

Inhibition of the dapE-Encoded N-Succinyl-L,L-diaminopimelic Acid Desuccinylase from Neisseria meningitidis by L-Captopril.

Biochemistry 54 , 4834-44, (2015)

Binding of the competitive inhibitor L-captopril to the dapE-encoded N-succinyl-L,L-diaminopimelic acid desuccinylase from Neisseria meningitidis (NmDapE) was examined by kinetic, spectroscopic, and c...

Colloidal silver as a quencher for the fluorescence of 2-naphthalenesulfonic acid. Zang L, et al.

J. Chem. Soc. Chem. Commun. 4 , 447-48, (1995)

Binary competitive and cooperative adsorption of aromatic compounds on polymeric resins. Zhang W-M, et al.

Chin. J. Polym. Sci. 23(05) , 503-11, (2005)

Synonyms

naphthalene-6-sulfonic acid

kyselina2-naftalensulfonova

2-Naphthalenesulfonic acid

β-Naphthalenesulfonic acid

2-Naphthalene Sulfonic Acid

2-Sulfonaphthalene

Naphthalene-2-Sulfonic Acid Hydrate

NAPHTHALENE-2-SULFONIC ACID

Dirinal NSK

EINECS 204-375-3

naphthalene-2-sulphonic acid

2-naphthalenesulphonic acid

MFCD00004089

2-Naphthalenesulfoni

napthalene-2-sulfonic acid

2-Naphthalenesulfonic acid hydrate

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