Other names
benzanthrenone, 1,9-benzanthrone, MS-benzanthrone, mesobenzanthrone, naphtanthrone, 7H-benz(de)anthracene-7-one, 7-oxobenz(de)anthracene
82-05-3 YesY
3D model (Jmol) Interactive image
ChEMBL ChEMBL1607517 N
ChemSpider 6442 YesY
ECHA InfoCard 100.001.268
EC Number 201-393-3
PubChem 6697
Molar mass 230.27 g·mol−1
Appearance Light yellow to brown-green solid
Melting point 170 °C (338 °F; 443 K)
S-phrases S24 S25 S26 S28A S37 S39 S45
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Benzanthrone (BZA) is an aromatic hydrocarbon derivate used as a dyestuff intermediate for anthraquinone-based dyes. It has the appearance of a light yellow to brown-green powder with melting point of 170 °C. It is insoluble in water and soluble in alcohol.

It is a basic substance with fluorescent and luminescent properties. It can be used for photosensitization, and as a charge transport material. It is also used in pyrotechnics industry, mainly as a component of some older formulations of green and yellow colored smokes, often together with Vat Yellow 4; its US military specification is MIL-D-50074D.[1]


Benzanthrone causes itching and burning sensations on exposed skin, together with erythema, dermatitis, and skin pigmentation.[2]

See also


  1. "Appendix A: Benzanthrone". Toxicity of Military Smokes and Obscurants. Volume 3. 1999.
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