1-Chloroanthraquinone

Description

1-Chloroanthraquinone · CAS 82-44-0 · C14H7ClO2. UNII 96S5SQV15V. Melting Point: 162 °C; Vapor Pressure: 0.00000087 [mmHg].

Identification

CAS Registry Number	82-44-0
PubChem CID	6709
Molecular formula	C14H7ClO2
IUPAC name	1-chloroanthracene-9,10-dione
UNII (FDA)	96S5SQV15V

Computed Descriptors

Molecular Weight	242.65
XLogP3	4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	242.0134572
Monoisotopic Mass	242.0134572
Topological Polar Surface Area	34.1
Heavy Atom Count	17
Formal Charge	0

Physical & Chemical Properties

Melting Point	162 °C
Vapor Pressure	0.00000087 [mmHg]

Physical description & handling notes

• Yellow solid; [HSDB] Yellow powder; [MSDSonline]
• YELLOW NEEDLES FROM TOLUENE OR ALCOHOL
• Sublimes
• INSOL IN WATER; SLIGHTLY SOL IN HOT ALCOHOL; SOL IN NITROBENZENE & HOT AMYL ALCOHOL
• Sol in ethanol, benzene, acetic acid
• Soluble in oxygenated solvents

Regulatory Status

GHS notification summary	8.5% (4 / 47)

GHS Hazard Classification

GHS notification summary	8.5% (4 / 47)
Reported hazard statements	H315 (89.4%), H319 (91.5%), H335 (89.4%)

Documented Uses

• Used as a chemical intermediate for dyes; [HSDB]
• CHEM INTERMEDIATE FOR THE DYES DISPERSE RED 9, VAT BROWN 1, VAT ORANGE 11
• Derivatives of 1-chloroanthraquinone include Disperse Red 9, Disperse Red 22, Vat Brown 1, Vat Brown 44, Vat Yellow 28.
• REACTION OF 1-HYDROXYANTHRAQUINONE WITH PHOSPHORUS PENTACHLORIDE IN NITROBENZENE
• 1-Chloroanthraquinone is prepared from anthraquinone-1-sulfonic acid or from 1-nitro-anthraquinone. Purification by high temperature distillation.
• 1-Chloroanthraquinone is prepared from anthraquinone-1-sulfonic acid, sodium salt and sodium chlorate (sulfonate displacement).

Synonyms

1-CHLOROANTHRAQUINONE; 82-44-0; Anthraquinone, 1-chloro-; 1-Chloro-9,10-anthraquinone; 9,10-Anthracenedione, 1-chloro-; 1-Chloranthrachinon; 1-Chloranthrachinon [Czech]; alpha-Chloroanthraquinone; 1-chloro-9,10-Anthracenedione; alpha-Monochloroanthraquinone; .alpha.-Monochloroanthraquinone; DTXSID7052571; HSDB 2565; EINECS 201-421-4; NSC 30428; BRN 1912752

Frequently Asked Questions

What are the CAS number and molecular formula of 1-Chloroanthraquinone?

CAS 82-44-0; molecular formula C14H7ClO2; molecular weight — g/mol.

What other names is 1-Chloroanthraquinone known by?

1-CHLOROANTHRAQUINONE, 82-44-0, Anthraquinone, 1-chloro-, 1-Chloro-9,10-anthraquinone, 9,10-Anthracenedione, 1-chloro-, 1-Chloranthrachinon.

Is 1-Chloroanthraquinone classified as hazardous?

8.5% of GHS notifications report no hazard classification (4 of 47).

What are the key physical properties of 1-Chloroanthraquinone?

Melting Point: 162 °C; Vapor Pressure: 0.00000087 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.