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7,12-DIMETHYLBENZ[A]ANTHRACENE

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7,12-DIMETHYLBENZ[A]ANTHRACENE Basic information

Product Name:
7,12-DIMETHYLBENZ[A]ANTHRACENE
CAS:
57-97-6
MF:
C20H16
MW:
256.34
EINECS:
200-359-5
Mol File:
57-97-6.mol
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7,12-DIMETHYLBENZ[A]ANTHRACENE Chemical Properties

Melting point:
122-123 °C(lit.)
Boiling point:
183-184 °C765 mm Hg(lit.)
Density 
0.9 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.501(lit.)
Flash point:
130 °F
storage temp. 
2-8°C
solubility 
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form 
Crystalline Powder
color 
Yellow to greenish
Merck 
14,3235
BRN 
1912135
CAS DataBase Reference
57-97-6(CAS DataBase Reference)
EPA Substance Registry System
7,12-Dimethylbenz[a]anthracene (57-97-6)
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Safety Information

Hazard Codes 
C,T,N,Xn,F
Risk Statements 
45-22-67-65-50/53-38-11-39/23/24/25-23/24/25
Safety Statements 
53-36/37-45-62-61-60
RIDADR 
UN 3077 9/PG 3
WGK Germany 
3
RTECS 
DP4500000
10-13-23
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29029090

MSDS

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7,12-DIMETHYLBENZ[A]ANTHRACENE Usage And Synthesis

Chemical Properties

Yellow Powder

Uses

A highly potent carcinogen that is activated by microsomal enzymes to a diol epoxide metabolite that binds covalently to DNA in mammalian cells, leading ultimately to tumor induction

Definition

ChEBI: A tetraphene having methyl substituents at the 7- and 12-positions. It is a potent carcinogen and is present in tobacco smoke.

General Description

Yellow to greenish-yellow crystals or a yellow solid. Odorless. Maximum fluorescence at 440 nm. Bluish-violet fluorescence in UV light.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

7,12-DIMETHYLBENZ[A]ANTHRACENE is incompatible with strong oxidizing agents .

Fire Hazard

7,12-DIMETHYLBENZ[A]ANTHRACENE is combustible.

Safety Profile

Suspected carcinogen with experimental carcinogenic, neoplastigenic, tumorigenic, and teratogenic data. A transplacental carcinogen. Poison by ingestion, intravenous, subcutaneous, intraperitoneal, and intratracheal routes. Other experimental reproductive effects. Human mutation data reported. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Purify DMBA by chromatography on alumina/toluene or *benzene. Crystallise it from acetone/EtOH. [Beilstein 5 IV 2587.]

7,12-DIMETHYLBENZ[A]ANTHRACENE Preparation Products And Raw materials

Preparation Products

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7,12-DIMETHYLBENZ[A]ANTHRACENESupplierMore

J & K SCIENTIFIC LTD.
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