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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 6708Generated: October 24, 2026

1,8-Dichloroanthraquinone

1,8-DichL · oroanthraquinone · 1,8-Dichloranthrachinon · 1,8-dichloro-anthraquinon · 1,8-Dichloroanthraquinone · 1,8-Dichloroanthraquinone,97% · 1,8-Dichloroanthraquinone,96% · 1,8-Dichloroanthraquinone >1,8-Dichloroanthra-9,10-quinone

https://huagongshe.com/en/chemical/6708

1,8-Dichloroanthraquinone molecular structure

Identifiers & Physical Properties

CAS No.82-43-9
Molecular formulaC14H6Cl2O2
Average molar mass277.1 g/mol
Monoisotopic mass275.97448479 g/mol
SMILESO=C1c2cccc(Cl)c2C(=O)c2c(Cl)cccc21
InChIKeyVBQNYYXVDQUKIU-UHFFFAOYSA-N
PubChem CID6708
EC No.201-420-9
DTXSIDDTXSID8058873

Chemical & Physical Properties

XLogP4.1
Topological polar surface area34.1
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms18
Formal charge0
Complexity350
Chemical classesDyes -> Anthraquinone Dyes
SpringerMaterials PropertiesCrystal structure
Physical DescriptionPowder[Alfa Aesar MSDS]
Melting point201.5-203 °C (lit.)
Boiling point387.84°C (rough estimate)
Density1.3240 (rough estimate)
Vapor pressure0-0Pa at 25℃
Refractive index1.4730 (estimate)
Storage conditionsSealed in dry,Room Temperature
Physical stateSolid:particulate/powder
ColorWhite to Green to Brown
SolubilitySlightly soluble in water.
InChIInChI=1S/C14H6Cl2O2/c15-9-5-1-3-7-11(9)14(18)12-8(13(7)17)4-2-6-10(12)16/h1-6H
InChIKeyVBQNYYXVDQUKIU-UHFFFAOYSA-N
SMILESC1(Cl)=C2C(C(=O)C3=C(C2=O)C(Cl)=CC=C3)=CC=C1
LogP (partition coefficient)4.63
CAS DataBase Reference82-43-9(CAS DataBase Reference)
FDA UNIIHNW5L47GP6
EPA Substance Registry System1,8-Dichloroanthraquinone (82-43-9)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH320-H319
GHS precautionary statementsP280i-P305+P351+P338-P337+P313-P264-P305+P351+P338+P337+P313
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26-36/37/39
Water hazard class (WGK)3
RTECS numberCB6496000
Hazard NoteIrritant
TSCA inventory statusTSCA listed
Customs code2914790090
Storage class11 - Combustible Solids
REACH registrationsActive

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 27.3% (3 of 11) of reports.WarningH315 (18.2%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 11 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationStatus: Active Update: 20-03-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/22982
Hazards summaryA mild eye irritant[RTECS] An eye irritant[Alfa Aesar MSDS] See 1-Amino-5-chloroanthraquinone.
Hazard Classes and CategoriesSkin Irrit. 2 (18.2%)
Personal protective equipment (PPE)Eyeshields, Gloves, type N95 (US)
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
RTECS numberCB6496000
Customs code2914790090
Risk statements (R)36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
hazard_noteIrritant
Safety statements (S)26-36/37/39
Storage class11 - Combustible Solids
GHS hazard statementsH320-H319
REACH registrationsActive
GHS precautionary statementsP280i-P305+P351+P338-P337+P313-P264-P305+P351+P338+P337+P313

Applications & Uses

Uses

1,8-Dichloroanthraquinone is a reagent in the preparation of anthraquinones, which has antitumor activities. It is used as primary and secondary intermediate.