53-70-3 Dibenz[a,h]anthracene


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CAS 53-70-3 -

CAS Number:  53-70-3

Chemical Name:  Dibenz[a,h]anthracene

Type of Toxicity:  cancer

Listing Mechanism:  State's Qualified Experts (SQE)

Date Listed:  1-Jan-88

NSRL (No Significant Risk Level) or MADL (Maximum Allowable Dose Level):  0.2 µg/day

Where a source or product results in exposures by multiple routes, the total exposure must be considered. For example, the MADL for benzene is exceeded when the absorbed dose exceeds 24 µg/day. If only inhalation and oral exposure occurs, the benzene MADL is exceeded when: (oral dose ÷ 24 µg/day) + (inhalation dose ÷ 49 µg/day) > 1.0.

View risk assessment documentation for Dibenz[a,h]anthracene related to these safe harbor levels (PDF)

Chemical Formula:  C22H14

EC Number (EINECS):  200-181-8

Synonyms:  Dibenzo[a,h]anthracene;DBA;1,2:5,6-Benzanthracene;1,2:5,6-Dibenzanthracene;1,2:5,6-Dibenzoanthracene;1,2,5,6-Dibenzanthracene;Db(a,h)a;Dibenz(a,h)antracene;1,2,5,6-Dibenzanthraceen;1,2:5,6-Dibenz(a)anthracene;1,2,5,6-DBA;Rcra waste number U063

Use:  a common pollutant in smoke and used oils

Appearance:  white to light yellow crystalline solid

Melting Point:  266 - 267 C

Boiling Point:  524 C

Stability:  Stable. Combustible. Incompatible with strong oxidizing agents.

Molecular Weight:  278.3466

More info:  Dibenz(a,h)anthracene CAS 53-70-3...

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