Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Naphthalenesulfonicacid, 4-amino-5-hydroxy-
Price: Check
Purity: 90.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Naphthalenesulfonicacid, 4-amino-5-hydroxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

83-64-7

83-64-7 structure

Name: 1-Naphthalenesulfonicacid, 4-amino-5-hydroxy-
Chemical Name: 1-Amino-8-naphthol-4-sulfonic Acid
CAS Number: 83-64-7
Molecular Formula: C₁₀H₉NO₄S
Molecular Weight: 239.24800
Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitrosation of carboxylic acids
Create Date: 2018-02-14 08:00:00
Modify Date: 2025-08-25 11:58:46

Name	1-Amino-8-naphthol-4-sulfonic Acid
Synonyms	4-amino-5-hydroxynaphthalene-1-sulfonic acid EINECS 201-491-6 MFCD00003992

Molecular Formula	C₁₀H₉NO₄S
Molecular Weight	239.24800
Exact Mass	239.02500
PSA	109.00000
LogP	3.03630

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QK1295000

CHEMICAL NAME :: 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-

CAS REGISTRY NUMBER :: 83-64-7

BEILSTEIN REFERENCE NO. :: 2127506

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C10-H9-N-O4-S

MOLECULAR WEIGHT :: 239.26

WISWESSER LINE NOTATION :: L66J BSWQ EZ GQ

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 :: 6210 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

Hazard Codes	C: Corrosive;
Risk Phrases	34
Safety Phrases	S26-S27-S36/37/39-S45
RIDADR	UN 2583 8/PG 2
WGK Germany	2
RTECS	QK1295000
HS Code	2922299090

117-55-5

83-64-7

Literature: DE75317 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 450 DE63074 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 687

6362-18-1

83-64-7

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>70, p. 347 Journal fuer Praktische Chemie (Leipzig), , vol. <2>69, p. 80 DE120016 ;

6362-18-1

67-64-1

83-64-7

Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>70, p. 347 Journal fuer Praktische Chemie (Leipzig), , vol. <2>69, p. 80 DE120016 ;

Precursor 3
117-55-5 6362-18-1 67-64-1
DownStream 2
83-65-8 6357-83-1

HS Code	2922299090
Summary	2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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83-64-7	5863-90-1
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