Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

DIBENZ(a,h)ANTHRACENE

DIBENZ(a,h)ANTHRACENE is colorless plates or leaflets from acetic acid.

CAS 53-70-3 C22H14 278.3 g/mol Danger

01 · Identification

What DIBENZ(a,h)ANTHRACENE is

DIBENZ(a,h)ANTHRACENE is colorless plates or leaflets from acetic acid. Its molecular formula is C22H14 and its molecular weight is 278.3 g/mol. It boils at 524 °C, melts at 269 °C.

Under the GHS it carries the signal word Danger. It is classed as carcinogens.

CAS number53-70-3
EC number200-181-8
Index number601-041-00-2
Molecular formulaC22H14
Molecular weight278.3 g/mol
Chemical class Carcinogens

Other names for DIBENZ(a,h)ANTHRACENE

  • dibenz[a,h]anthracene

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to DIBENZ(a,h)ANTHRACENE
CodeHazard statement
H350 May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P201, P273, P280, P308, P313, P391, P501

03 · Physical and chemical properties

DIBENZ(a,h)ANTHRACENE properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 524 °C (975.2 °F) HSDB
523.89 °C (975 °F) at 760 mmHg CAMEO
Melting point 269 °C (516.2 °F) HSDB
214 °C (417.2 °F) HSDB
267 °C (512.6 °F) ICSC
Density 1.282 g/cm³ HSDB
1.28 g/cm³ HSDB
Solubility In water, 0.00166 mg/L at 24-25 °C (average of 5 measured values ranging from 0.0005 to 0.00249) HSDB
In water, 2.49X10-3 mg/L at 25 °C at 25 °C HSDB
In water, 0.000627 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 1e-10 mmHg at 20 °C, estimated CAMEO
9.55e-10 mmHg at 25 °C HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling DIBENZ(a,h)ANTHRACENE

Storage conditions

Keep container tightly closed in a dry and well-ventilated place. Storage class (TRGS 510): Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects.[Sigma-Aldrich; Safety Data Sheet for Dibenz

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible materials: Strong oxidizing agents.[Sigma-Aldrich; Safety Data Sheet for Dibenz

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

DIBENZ[A,H]ANTHRACENE is incompatible with strong oxidizing agents. Is oxidized by chromic acid and by osmium tetraoxide (NTP, 1992).

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check DIBENZ(a,h)ANTHRACENE in the storage compatibility matrix →

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