1,5-Dihydroxynaphthalene

Modify Date: 2026-07-02 06:54:36

1,5-Dihydroxynaphthalene Structure
1,5-Dihydroxynaphthalene structure
Common Name 1,5-Dihydroxynaphthalene
CAS Number 83-56-7 Molecular Weight 160.169
Density 1.3±0.1 g/cm3 Boiling Point 375.4±15.0 °C at 760 mmHg
Molecular Formula C10H8O2 Melting Point 259-261ºC
MSDS Chinese USA Flash Point 193.5±15.0 °C
Symbol GHS07
GHS07
Signal Word Warning

Summary: 1,5-Dihydroxynaphthalene (Chinese name: 1,5-二羟基萘, CAS number: 83-56-7), molecular formula C10H8O2, molecular weight 160.169, is a gray to brown powder with a melting point of 259-261°C and a boiling point of 375.4±15.0 °C, density 1.3±0.1 g/cm3. It is used as an intermediate in the synthesis of mordant azo dyes and in organic synthesis, dye intermediates, pharmaceutical intermediates, and photographic industry. 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 1,5-Dihydroxynaphthalene
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.

Density 1.3±0.1 g/cm3
Boiling Point 375.4±15.0 °C at 760 mmHg
Melting Point 259-261ºC
Molecular Formula C10H8O2
Molecular Weight 160.169
Flash Point 193.5±15.0 °C
Exact Mass 160.052429
PSA 40.46000
LogP 1.96
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.726
InChIKey BOKGTLAJQHTOKE-UHFFFAOYSA-N
SMILES Oc1cccc2c(O)cccc12
Storage condition 2-8°C

 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 :
QJ4740000
CHEMICAL NAME :
1,5-Naphthalenediol
CAS REGISTRY NUMBER :
83-56-7
BEILSTEIN REFERENCE NO. :
2044951
LAST UPDATED :
199709
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C10-H8-O2
MOLECULAR WEIGHT :
160.18
WISWESSER LINE NOTATION :
L66J BQ GQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Dominant lethal test

MUTATION DATA

TEST SYSTEM :
Insect - not otherwise specified
DOSE/DURATION :
10 ppm
REFERENCE :
EVETBX Environmental Entomology. (Entomological Soc. of America, 4603 Calvert Rd., College Park, MD 20740) V.1- 1972- Volume(issue)/page/year: 2,1029,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82071 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 168 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82071 No. of Facilities: 48 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1441 (estimated) No. of Female Employees: 432 (estimated)

 Safety Information

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

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22;R36;R51/53
Safety Phrases S29-S39-S61
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS QJ4740000
HS Code 2907299090

 Synthetic Route

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

 Customs

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

HS Code 2907299090
Summary 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

 Articles8

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Effects of cyano-substituents on the molecular packing structures of conjugated polymers for bulk-heterojunction solar cells.

ACS Appl. Mater. Interfaces 6(18) , 15774-82, (2014)

The molecular packing structures of two conjugated polymers based on alkoxy naphthalene, one with cyano-substituents and one without, have been investigated to determine the effects of electron-withdr...

Selective antiproliferative activity of hydroxynaphthyl-beta-D-xylosides.

J. Med. Chem. 49 , 1932-8, (2006)

The antiproliferative activity of the 14 isomeric monoxylosylated dihydroxynaphthalenes has been tested in vitro toward normal HFL-1 and 3T3 A31 cells as well as transformed T24 and 3T3 SV40 cells. Th...

Photooxidation of 1,5-dihydroxynaphthalene with iridium complexes as singlet oxygen sensitizers.

Photochem. Photobiol. Sci. 10(6) , 895-903, (2011)

Photooxidation reactions of 1,5-dihydroxynaphthalene (DHN) have been carried out in the presence of cyclometalated neutral and cationic iridium (Ir) complexes 1-6 as singlet oxygen ((1)O(2)) sensitize...

 1,5-DihydroxynaphthaleneBioassay

View more

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

Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344
Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS898
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 Synonyms

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

EINECS 201-487-4
1,5-Naphthalenediol
naphthalene-1,5-diol
MFCD00003980
1,5-Dihydroxynaphthalene

 1,5-Dihydroxynaphthalene | FAQ

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

Q: What is the molecular weight of 1,5-Dihydroxynaphthalene?
A: Molecular weight of 1,5-Dihydroxynaphthalene is 160.169.
Q: What is the English name of 1,5-Dihydroxynaphthalene?
A: The English name of 1,5-Dihydroxynaphthalene is 1,5-Dihydroxynaphthalene.
Q: What English synonyms does 1,5-Dihydroxynaphthalene have?
A: English synonyms of 1,5-Dihydroxynaphthalene: EINECS 201-487-4, 1,5-Naphthalenediol, naphthalene-1,5-diol, MFCD00003980, 1,5-Dihydroxynaphthalene.
Q: What is the LogP of 1,5-Dihydroxynaphthalene?
A: LogP of 1,5-Dihydroxynaphthalene is 1.96.
Q: What is the CAS number of 1,5-Dihydroxynaphthalene?
A: CAS number of 1,5-Dihydroxynaphthalene is 83-56-7.
Q: What is the melting point of 1,5-Dihydroxynaphthalene?
A: Melting point of 1,5-Dihydroxynaphthalene is 259-261ºC.
Q: What is the molecular formula of 1,5-Dihydroxynaphthalene?
A: Molecular formula of 1,5-Dihydroxynaphthalene is C10H8O2.
Q: What is the polar surface area (PSA) of 1,5-Dihydroxynaphthalene?
A: Polar surface area (PSA) of 1,5-Dihydroxynaphthalene is 40.46000.
Q: What is the InChIKey of 1,5-Dihydroxynaphthalene?
A: InChIKey of 1,5-Dihydroxynaphthalene is BOKGTLAJQHTOKE-UHFFFAOYSA-N.
Q: What are the downstream products of 1,5-Dihydroxynaphthalene?
A: Related downstream products(CAS) of 1,5-Dihydroxynaphthalene: 111841-32-8;37418-88-5;40771-26-4;14963-96-3;481-39-0;38028-39-6;481-74-3;91394-96-6;207799-29-9;21353-16-2.

 1,5-Dihydroxynaphthalenefactory

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.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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