2-methyl-1-nitroanthraquinone

Description

2-methyl-1-nitroanthraquinone · CAS 129-15-7 · C15H9NO4. UNII XU83BY176P. Melting Point: 518 to 520 °F (NTP, 1992); Melting Point: 270-271 °C.

Identification

Computed Descriptors

Physical & Chemical Properties

Physical description & handling notes

• 2-methyl-1-nitroanthraquinone appears as pale yellow needles or light yellow solid. (NTP, 1992)
• Pale yellow solid; [HSDB]
• PALE-YELLOW NEEDLES
• less than 0.1 mg/mL at 70 °F (NTP, 1992)
• INSOL IN WATER & HOT ETHANOL; SLIGHTLY SOL IN HOT DIETHYL ETHER, HOT BENZENE, HOT ACETIC ACID & CHLOROFORM; SOL IN NITROBENZENE
• NITRO GROUP MAY BE REPLACED BY A VARIETY OF SUBSTITUENTS; EASILY REDUCED TO AMINO GROUP

GHS Hazard Classification

Documented Uses

• Used to make dyes and 1-amino-2-methylanthraquinone; Not commercially used or produced in the US; [HSDB]
• DYE INTERMEDIATE; MFR 1-AMINO-2-METHYLANTHRAQUINONE
• 2-METHYL-1-NITROANTHRAQUINONE CAN BE OXIDIZED TO 1-NITRO-2-ANTHRAQUINONECARBOXYLIC ACID, WHICH CAN BE USED TO PREPARE 5 DYES; ONLY 2 OF THESE HAVE BEEN PRODUCED COMMERCIALLY IN US IN RECENT YR: VAT BROWN 31.28%, LAST PRODUCED BY ONE COMPANY IN 1974.
• In the past, 2-methyl-1-nitroanthraquinone served as an intermediate in the manufacture of certain wool dyes of the alizarin series and of anthraquinone vat dyes such as CI Vat Red 39.
• PREPN: ...BY NITRATION OF 2-METHYLANTHRAQUINONE WITH A MIXT OF NITRIC & SULFURIC ACIDS.
• 2-Methyl-1-nitroanthraquinone is no longer used by the dye industry in the United States and has not been produced commercially in this country since 1970.

Synonyms

2-METHYL-1-NITROANTHRAQUINONE; 129-15-7; 1-Nitro-2-methylanthraquinone; Violet Cibacet 2R; Anthraquinone, 2-methyl-1-nitro-; 9,10-Anthracenedione, 2-methyl-1-nitro-; NCI-C01923; 1-N-2-Ma; 2-Methyl-1-nitro-9,10-anthracenedione; DTXSID7020847; NSC-8; XU83BY176P; DTXCID70847; RefChem:88000; 204-932-0; 2-methyl-1-nitroanthracene-9,10-dione

Frequently Asked Questions

What are the CAS number and molecular formula of 2-methyl-1-nitroanthraquinone?

CAS 129-15-7; molecular formula C15H9NO4; molecular weight — g/mol.

What other names is 2-methyl-1-nitroanthraquinone known by?

2-METHYL-1-NITROANTHRAQUINONE, 129-15-7, 1-Nitro-2-methylanthraquinone, Violet Cibacet 2R, Anthraquinone, 2-methyl-1-nitro-, 9,10-Anthracenedione, 2-methyl-1-nitro-.

Is 2-methyl-1-nitroanthraquinone classified as hazardous?

Hazard statements reported: H351, H373.

What are the key physical properties of 2-methyl-1-nitroanthraquinone?

Melting Point: 518 to 520 °F (NTP, 1992); Melting Point: 270-271 °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.