2-Naphthalenesulfonic acid

Modify Date: 2025-08-20 20:00:01

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

Name	naphthalene-2-sulfonic acid
Synonym	More Synonyms

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

2-Naphthalenesulfonic acid MSDS(Chinese)

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

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

Precursor 9
CAS#:91-20-3 Naphthalene CAS#:91-60-1 2-Naphthalenethiol CAS#:93-11-8 Naphthalene-2-s... CAS#:5586-15-2 Disulfide,1,2-d...
CAS#:532-02-5 Sodium 1-naphth... CAS#:613-49-0 naphthalene-2-s... CAS#:63296-70-8 N,N-dimethylnap... CAS#:5138-53-4 methyl naphthal...
CAS#:81-06-1 1-aminonaphthal...
DownStream 10
CAS#:92-41-1 naphthalene-2,7... CAS#:581-75-9 Naphthalene-2,6... CAS#:5724-16-3 naphthalene-1,7... CAS#:525-37-1 1,6-Naphthalene...
CAS#:6094-26-4 1,3-Naphthalene... CAS#:86-66-8 naphthalene-1,3... CAS#:513-81-5 2,3-DIMETHYL-1,... CAS#:493-01-6 cis-decalin
CAS#:493-02-7 trans-decalin CAS#:935-31-9 Cyclodecene, (1Z)-

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%

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)

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NAPHTHALENE-2-SULFONIC ACID

Dirinal NSK

EINECS 204-375-3

naphthalene-2-sulphonic acid

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MFCD00004089

2-Naphthalenesulfoni

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2-Naphthalenesulfonic acid hydrate

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Naphthalenesulfonic acid
Price: Check
Purity: 70.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Naphthalenesulfonic acid
Price: ￥88.0/25g ￥228.0/100g ￥728.0/500g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Naphthalene-2-sulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: naphthalene-2-sulfonic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2-Naphthalenesulfonic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-Naphthalenesulfonic acid

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