1-Naphthalenesulfonicacid, 4-amino-5-hydroxy

Modify Date: 2026-07-15 19:10:37

1-Naphthalenesulfonicacid, 4-amino-5-hydroxy Structure
1-Naphthalenesulfonicacid, 4-amino-5-hydroxy structure
Common Name 1-Naphthalenesulfonicacid, 4-amino-5-hydroxy
CAS Number 83-64-7 Molecular Weight 239.24800
Density N/A Boiling Point N/A
Molecular Formula C10H9NO4S Melting Point N/A
MSDS N/A Flash Point N/A

Summary: 1-Amino-8-naphthol-4-sulfonic Acid (8-Amino-1-naphthol-5-sulfonic Acid), CAS号83-64-7, molecular formula C10H9NO4S, molecular weight 239.24800. Used as an important intermediate for manufacturing acidic dyes and leather dyes, also for the synthesis of Chicago SS acid. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1-Amino-8-naphthol-4-sulfonic Acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Molecular Formula C10H9NO4S
Molecular Weight 239.24800
Exact Mass 239.02500
PSA 109.00000
LogP 3.03630
InChIKey LRDIEHDJWYRVPT-UHFFFAOYSA-N
SMILES Nc1ccc(S(=O)(=O)O)c2cccc(O)c12

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

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

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

1-Naphthalenesulfonicacid, 4-amino-5-hydroxy Structure

1-Naphthalenesu...

CAS#:83-64-7

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

~%

1-Naphthalenesulfonicacid, 4-amino-5-hydroxy Structure

1-Naphthalenesu...

CAS#:83-64-7

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

~%

1-Naphthalenesulfonicacid, 4-amino-5-hydroxy Structure

1-Naphthalenesu...

CAS#:83-64-7

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

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  3

DownStream  2

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Bioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: HIV Cellular Data
Source: NIAID
Target: N/A
External Id: HIV Cellular Data
Total 3, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-amino-5-hydroxynaphthalene-1-sulfonic acid
EINECS 201-491-6
MFCD00003992

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of 1-Amino-8-naphthol-4-sulfonic Acid?
A: SMILES notation of 1-Amino-8-naphthol-4-sulfonic Acid is Nc1ccc(S(=O)(=O)O)c2cccc(O)c12.
Q: What is the LogP of 1-Amino-8-naphthol-4-sulfonic Acid?
A: LogP of 1-Amino-8-naphthol-4-sulfonic Acid is 3.03630.
Q: What is the polar surface area (PSA) of 1-Amino-8-naphthol-4-sulfonic Acid?
A: Polar surface area (PSA) of 1-Amino-8-naphthol-4-sulfonic Acid is 109.00000.
Q: What is the English name of 1-Amino-8-naphthol-4-sulfonic Acid?
A: The English name of 1-Amino-8-naphthol-4-sulfonic Acid is 1-Amino-8-naphthol-4-sulfonic Acid.
Q: What is the InChIKey of 1-Amino-8-naphthol-4-sulfonic Acid?
A: InChIKey of 1-Amino-8-naphthol-4-sulfonic Acid is LRDIEHDJWYRVPT-UHFFFAOYSA-N.
Q: What is the safety information for 1-Amino-8-naphthol-4-sulfonic Acid?
A: Safety information for 1-Amino-8-naphthol-4-sulfonic Acid: S26-S27-S36/37/39-S45.
Q: What English synonyms does 1-Amino-8-naphthol-4-sulfonic Acid have?
A: English synonyms of 1-Amino-8-naphthol-4-sulfonic Acid: 4-amino-5-hydroxynaphthalene-1-sulfonic acid, EINECS 201-491-6, MFCD00003992.
Q: What is the molecular formula of 1-Amino-8-naphthol-4-sulfonic Acid?
A: Molecular formula of 1-Amino-8-naphthol-4-sulfonic Acid is C10H9NO4S.
Q: What are the downstream products of 1-Amino-8-naphthol-4-sulfonic Acid?
A: Related downstream products(CAS) of 1-Amino-8-naphthol-4-sulfonic Acid: 83-65-8;6357-83-1.
Q: What is the CAS number of 1-Amino-8-naphthol-4-sulfonic Acid?
A: CAS number of 1-Amino-8-naphthol-4-sulfonic Acid is 83-64-7.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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