7,12-二甲基苯(a)蚁族

Description

7,12-Dimethylbenz (a) ant racene · CAS 57-97-6 · C20H16. UNII F05B6S0395. Melting Point: 252 to 253 °F (NTP, 1992); Melting Point: 123 °C; Flash Point: 187 °F (NTP, 1992).

Identification

CAS Registry Number	57-97-6
PubChem CID	6001
Molecular formula	C20H16
IUPAC name	7,12-dimethylbenzo[a]anthracene
UNII (FDA)	F05B6S0395

Computed Descriptors

Molecular Weight	256.3
XLogP3	5.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	256.125200510
Monoisotopic Mass	256.125200510
Topological Polar Surface Area	0
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

Melting Point	252 to 253 °F (NTP, 1992)
Melting Point	123 °C
Flash Point	187 °F (NTP, 1992)
Flash Point	86 °C
Vapor Pressure	0.0000002 [mmHg]
Vapor Pressure	6.8X10-7 mm Hg at 25 °C
LogP	log Kow = 5.80
LogP	6.16

Physical description & handling notes

• 7,12-dimethylbenz[a]anthracene appears as yellow to greenish-yellow crystals or a yellow solid. Odorless. Maximum fluorescence at 440 nm. Bluish-violet fluorescence in UV light. (NTP, 1992)
• Solid with a greenish-yellow tinge; [HSDB] Greenish-yellow or yellow odorless solid; [CAMEO] Light yellow powder; [Alfa Aesar MSDS]
• Plates, leaflets from acetone-alcohol, faint greenish-yellow tinge
• Pale yellow plates from alcohol, acetic acid
• Odorless[NOAA; CAMEO Chemicals. Database of Hazardous Materials. 7,12-Dimethylbenz
• less than 1 mg/mL at 64 °F (NTP, 1992)

GHS Hazard Classification

Reported hazard statements	H302 (100%), H350 (93.2%)

Documented Uses

• Used in biochemical research; [HSDB]
• Laboratory chemicals, synthesis of substances.[Sigma-Aldrich; Safety Data Sheet for 7,12-Dimethylbenz
• In exptl medicine to induce various malignant tumors in testing antineoplastic drugs.
• Synthesis from o-(alpha-methyl-alpha-1-naphthyl)toluic acid ... . From 9,10-dimethyl-9,10-dihydroxy-9,10-dihydro-1,2-benzanthracene ... . From 9,10-dimethyl-9,10-dimethoxy-9,10-dihydro-1,2-benzanthracene ... . From 9-methyl-1,2-benzanthracen-10-one by Reformatsky reaction.
• (1982) NOT PRODUCED COMMERCIALLY IN U.S.
• Benz[a]anthracene, 7,12-dimethyl-: ACTIVE

Synonyms

7,12-Dimethylbenz[a]anthracene; 57-97-6; DMBA; 7,12-dimethyltetraphene; 7,12-Dimethylbenzanthracene; 7,12-DIMETHYLBENZ(A)ANTHRACENE; 9,10-Dimethyl-1,2-benzanthracene; 7,12-DMBA; 7,12-Dimethylbenzo[a]anthracene; 1,4-Dimethyl-2,3-benzphenanthrene; 6,7-Dimethyl-1,2-benzanthracene; 7,12-Dimethyl-1,2-benzanthracene; 7,12-Dimethylbenzanthrancene; 9,10-Dimethyl-1,2-benzanthrazen; 7,12-Dimethyl-1:2-benz(a)anthracene; Benz(a)anthracene, 7,12-dimethyl-

Frequently Asked Questions

What are the CAS number and molecular formula of 7,12-Dimethylbenz (a) ant racene?

CAS 57-97-6; molecular formula C20H16; molecular weight — g/mol.

What other names is 7,12-Dimethylbenz (a) ant racene known by?

7,12-Dimethylbenz[a]anthracene, 57-97-6, DMBA, 7,12-dimethyltetraphene, 7,12-Dimethylbenzanthracene, 7,12-DIMETHYLBENZ(A)ANTHRACENE.

Is 7,12-Dimethylbenz (a) ant racene classified as hazardous?

Hazard statements reported: H302, H350.

What are the key physical properties of 7,12-Dimethylbenz (a) ant racene?

Melting Point: 252 to 253 °F (NTP, 1992); Melting Point: 123 °C; Flash Point: 187 °F (NTP, 1992); Flash Point: 86 °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.