7,8-Benzoflavone

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Names

[ CAS No. ]:
604-59-1

[ Name ]:
7,8-Benzoflavone

[Synonym ]:
Benzo[h]flavone
2-phenylbenzo[h]chromen-4-one
4H-Naphtho[1,2-b]pyran-4-one, 2-phenyl-
α-Naphthylflavone
2-Phenyl-4H-benzo[h]chromen-4-one
2-Phenylbenzo(h)chromen-4-one
a-Naphthylflavone
2-Phenyl-benzo[h]chromen-4-one
alpha-naphthoflavone
7,8-Benzoflavone
MFCD00004985
a-Naphthoflavone
α-Naphthoflavone
2-Phenyl-4H-naphtho[1,2-b]pyran-4-one
EINECS 210-071-1

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
460.9±45.0 °C at 760 mmHg

[ Melting Point ]:
153-157 °C(lit.)

[ Molecular Formula ]:
C₁₉H₁₂O₂

[ Molecular Weight ]:
272.297

[ Flash Point ]:
215.8±22.3 °C

[ Exact Mass ]:
272.083740

[ PSA ]:
30.21000

[ LogP ]:
4.79

[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C

[ Index of Refraction ]:
1.695

[ Storage condition ]:
2-8°C

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QL6250000

CHEMICAL NAME :: 4H-Naphtho(1,2-b)pyran-4-one, 2-phenyl-

CAS REGISTRY NUMBER :: 604-59-1

BEILSTEIN REFERENCE NO. :: 0210862

LAST UPDATED :: 199701

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C19-H12-O2

MOLECULAR WEIGHT :: 272.31

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Ovary

DOSE/DURATION :: 40 umol/L

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 47,3662,1987

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi,Xn,C,F

[ Risk Phrases ]:
68-34-11

[ Safety Phrases ]:
S24/25-S36/37

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QL6250000

[ HS Code ]:
2914399090

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914399090

[ Summary ]:
2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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