2-Aminonaphthalene-1-sulfonic acid

Modify Date: 2025-08-21 13:01:25

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

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

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

2-Aminonaphthalene-1-sulfonic acid MSDS(Chinese)

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

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

morpholine

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1-Amino-8-hydro...

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4,5,6-trifluoro...

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2-Aminonaphthal...

CAS#:81-16-3

Literature: US5239063 A1, ;

2-HYDROXY-1-NAP...

CAS#:567-47-5

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

CAS#:91-59-8

2-Aminonaphthal...

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Literature: DE392460 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 14, p. 405

2-HYDROXY-1-NAP...

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Ammonia

CAS#:7664-41-7

2-Aminonaphthal...

CAS#:81-16-3

Precursor 6
CAS#:110-91-8 morpholine CAS#:90-20-0 1-Amino-8-hydro... CAS#:112291-51-7 4,5,6-trifluoro... CAS#:567-47-5 2-HYDROXY-1-NAP...
CAS#:91-59-8 Naphthalen-2-amine CAS#:7664-41-7 Ammonia
DownStream 10
CAS#:580-13-2 2-Bromonaphthalene CAS#:93-00-5 6-Amino-2-napht... CAS#:494-44-0 7-aminonaphthal... CAS#:86-60-2 2-naphthylamine...
CAS#:81-05-0 Dahl's Acid CAS#:91-60-1 2-Naphthalenethiol CAS#:205-25-4 7h-benzo[c]carbazole CAS#:118-33-2 6-aminonaphthal...
CAS#:86-65-7 7-Amino-1,3-nap... CAS#:575-44-0 1,6-Dihydroxyna...

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%

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...

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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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Aminonaphthalene-1-sulfonic acid
Price: Check
Purity: 98.0%
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Aminonaphthalene-1-sulfonic acid
Price: ￥88.0/100g ￥248.0/500g
Purity: 98.0%
Delivery: Inquiry
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Aminonaphthalene-1-sulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2-Aminonaphthalene-1-sulfonic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-Aminonaphthalene-1-sulfonic acid

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