1-氨基-2,4-二溴蒽醌

Description

1-amino-2,4-dibromoanthraquinone · CAS 81-49-2 · C14H7Br2NO2. UNII RF75O3IKOZ. Melting Point: 439 °F (NTP, 1992); Melting Point: 221 °C; Flash Point: Flash point > 200 °C.

Identification

CAS Registry Number	81-49-2
PubChem CID	6681
Molecular formula	C14H7Br2NO2
IUPAC name	1-amino-2,4-dibromoanthracene-9,10-dione
UNII (FDA)	RF75O3IKOZ

Computed Descriptors

Molecular Weight	381.02
XLogP3	4.1
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	380.88230
Monoisotopic Mass	378.88435
Topological Polar Surface Area	60.2
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Melting Point	439 °F (NTP, 1992)
Melting Point	221 °C
Flash Point	Flash point > 200 °C

Physical description & handling notes

• 1-amino-2,4-dibromoanthraquinone is an odorless red powder. (NTP, 1992)
• Odorless red solid; [CAMEO]
• Red needles (from xylene)
• greater than 392 °F (NTP, 1992)
• less than 1 mg/mL at 73 °F (NTP, 1992)
• When heated to decomposition it emits very toxic fumes of /bromine/ and /nitrogen oxides/.

GHS Hazard Classification

Reported hazard statements	H319 (90.9%), H351 (13.6%), H350

Documented Uses

• Intermediate in the production of anthraquinone dyes; [HSDB]
• Intermediate in the production of 1-amino-2-bromo-4-hydroxyanthraquinone (bromo pink)
• Aminoanthraquinones are key products for essentially all classes of anthraquinone dyes. /Aminoanthraquinones/
• 1-Amino-2,4-dibromoanthraquinone is prepared from 1-aminoanthraquinone by bromination in dilute mineral acids.
• Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5301]
• 9,10-Anthracenedione, 1-amino-2,4-dibromo-: ACTIVE

Synonyms

1-AMINO-2,4-DIBROMOANTHRAQUINONE; 81-49-2; Dibromoaminoanthraquinone; 1-Amino-2,4-dibromanthrachinon; 9,10-Anthracenedione, 1-amino-2,4-dibromo-; Anthraquinone, 1-amino-2,4-dibromo-; NCI-C55458; 2,4-Dibromo-1-anthraquinonylamine; DTXSID4039235; RF75O3IKOZ; NSC3529; NSC-3529; DTXCID9052; ADBAQ; 1-amino-2,4-dibromo-9,10-Anthracenedione; RefChem:429163

Frequently Asked Questions

What are the CAS number and molecular formula of 1-amino-2,4-dibromoanthraquinone?

CAS 81-49-2; molecular formula C14H7Br2NO2; molecular weight — g/mol.

What other names is 1-amino-2,4-dibromoanthraquinone known by?

1-AMINO-2,4-DIBROMOANTHRAQUINONE, 81-49-2, Dibromoaminoanthraquinone, 1-Amino-2,4-dibromanthrachinon, 9,10-Anthracenedione, 1-amino-2,4-dibromo-, Anthraquinone, 1-amino-2,4-dibromo-.

Is 1-amino-2,4-dibromoanthraquinone classified as hazardous?

Hazard statements reported: H319, H351, H350.

What are the key physical properties of 1-amino-2,4-dibromoanthraquinone?

Melting Point: 439 °F (NTP, 1992); Melting Point: 221 °C; Flash Point: Flash point > 200 °C.

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.