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Dibenz[a,h]anthracene

Dibenz[a,h]anthracene structure

CAS No:
53-70-3
Formula:
C22H14
Chemical Name:
Dibenz[a,h]anthracene
Synonyms:
Dibenz[a,h]anthracene;DBA;1,2:5,6-Dibenzanthracene;Dibenzo[a,h]anthracene;1,2:5,6-Dibenz[a]anthracene;1,2:5,6-Benzanthracene;1,2:5,6-Dibenzoanthracene;1,2:5,6-Dibenzanthracen;NSC 22433
Categories:
Chemical Reagents > Organic Reagents

Description

white to light yellow crystalline solid Dibenz(a,h)anthracene is a colorless, crystal- line solid. PAHs are compounds containing multiple benzene rings and are also called polynuclear aromatic hydrocarbons. Dibenz[a,h]anthracene is a white crystalline solid. It is insoluble in water, slightly soluble in alcohol, and soluble in ether. This compound is incompatible with strong oxidizers.

Dibenz[a,h]anthracene Basic Attributes

Molecular Weight：

278.35

Exact Mass：

278.35

EC Number：

200-181-8

HScode：

2902909090

Characteristics

PSA：

XLogP3：

6.5

Appearance：

Dibenz[a,h]anthracene appears as white crystals or pale yellow solid. Sublimes. (NTP, 1992)

Density：

1.282 g/cm³

Melting Point：

266 °C

Boiling Point：

524 °C

Flash Point：

-18 °C

Refractive Index：

1.812

Water Solubility：

Solubility in water: none

Storage Conditions：

APPROX 4°C

Vapor Pressure：

2.78 x 10 -12 mmHg at 25 °C (de Kruif, 1980)

Toxicity：

LD 50 (intravenous) for rats is 10 mg/kg (Patnaik, 1992).

Safety Information

Packing level：

III

Hazard category：

6.1(b)

Transport codes：

UN 3077 9/PG 3

wgk germany：

hazard class code：

45-50/53-67-65-38-11-52/53-36/37/38

safety instructions：

53-45-60-61-62-26

RTECS Number：

HN2625000

Marks：

T,N,F

Storage features：

Well closed. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

Stability/Shelf Life：

Stable. Combustible. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P201-P273-P308 + P313-P391-P501

Hazard Statements：

H350-H410

Dibenz[a,h]anthracene Use and Manufacturing

Dibenz[a,h]anthracene is a polycyclic aromatic hydrocarbon (PAH) and a known carcinogen. Dibenz[a,h]anthracene has produced positive results in bacterial DNA damage and mutagenicity assays and in mammalian cell DNA damage, mutagenicity and cell transformation assays.

Computed Properties

Molecular Weight:278.3
XLogP3:6.5
Exact Mass:278.109550447
Monoisotopic Mass:278.109550447
Heavy Atom Count:22
Complexity:361
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes