57-97-6
Product Name:
7,12-DIMETHYLBENZ[A]ANTHRACENE
Formula:
C20H16
Synonyms:
1,4-Dimethyl-2,3-benzophenanthrene;9,10-Dimethyl-1,2-benzanthracene;DMBA
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 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) |
|---|---|
| Color/Form | Plates, leaflets from acetone-alcohol, faint greenish-yellow tinge |
| Odor | Odorless[NOAA; CAMEO Chemicals. Database of Hazardous Materials. 7,12-Dimethylbenz |
| Melting Point | 252 to 253 °F (NTP, 1992) |
| Flash Point | 187 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 64 °F (NTP, 1992) |
| Vapor Pressure | 0.0000002 [mmHg] |
| LogP | log Kow = 5.80 |
| Stability/Shelf Life | Stable under recommended storage conditions.[Sigma-Aldrich; Safety Data Sheet for 7,12-Dimethylbenz |
| Decomposition | Hazardous decomposition products formed under fire conditions - Carbon oxides.[Sigma-Aldrich; Safety Data Sheet for 7,12-Dimethylbenz |
| Kovats Retention Index | 2711 2713 443.82 443.9 444 442.03 443.38 444.84 443.38 |
| Other Experimental Properties | Henry's Law constant = 3.8X10-6 atm-cu m/mol at 25 °C (estimated from vapor pressure & water solubility) |
| Chemical Classes | Other Classes -> Polycyclic Aromatic Hydrocarbons |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 256.3 g/mol |
|---|---|
| XLogP3 | 5.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 256.125200510 g/mol |
| Monoisotopic Mass | 256.125200510 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 346 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
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)