Benzo(b)fluoranthene , 95% , 205-99-2

Synonym(s):
REF;THOC4;2,3-Benzfluoranthene;3,4-Benz[e]acephenanthrylene;3,4-Benzfluoranthene

CAS NO.：205-99-2

Empirical Formula: C20H12

Molecular Weight: 252.31

MDL number: MFCD00010582

EINECS: 205-911-9

PRODUCT Properties

• Melting point: 163-165 °C(lit.)
• Boiling point: 481°C(lit.)
• Density: 1.1549 (estimate)
• vapor pressure: 5 x 10^-7 mmHg at 20 °C (U.S. EPA, 1982)
• refractive index: 1.8390 (estimate)
• Flash point: -18 °C
• storage temp.: 2-8°C
• solubility: Soluble in most solvents (U.S. EPA, 1985)
• pka: >15 (Christensen et al., 1975)
• color: White to Yellow to Green
• Water Solubility: 1.2 μg/L at 25 °C (U.S. EPA, 1980a)
• BRN: 1872553
• Henry's Law Constant: 2.47, 5.03, 11.74, 14.90, 20.53, and 36.52 at 10.0, 20.0, 35.0, 40.1, 45.0, and 55.0 °C, respectively (wetted-wall column, ten Hulscher et al., 1992)
• Stability: Stable. Incompatible with strong oxidizing agents.

Description and Uses

: Benzo(b)fluoranthene is a colorless, needleshaped solid. Molecular weight= 252.32; Boilingpoint = 480℃; Freezing/Melting point= 168℃; Vaporpressure = 5.0 3 10 2 7 mmHg. Hazard Identification (basedon NFPA-704 M Rating System): Health 3, Flammability 1,Reactivity 0. Practically insoluble in water; solubility =1 mg/mL at 19℃.

Benz[e]acephenanthrylene is a polycyclic aromatic hydrocarbon that was detected in significant levels in airborne polluants, auto exhaust and tobacco and marijuana smoke.

Safety

• Symbol(GHS): GHS08,GHS09
• Signal word: Danger
• Hazard statements: H350-H410
• Precautionary statements: P202-P273-P280-P308+P313-P391-P405
• Hazard Codes: T,N,Xn,F,Xi
• Risk Statements: 45-50/53-67-65-38-11-36-39/23/24/25-23/24/25-66-52/53-20
• Safety Statements: 53-45-60-61-62-26-16-9-36/37-7-33-25
• RIDADR: UN 2811 6.1/PG 3
• WGK Germany: 3
• RTECS: CU1400000
• HS Code: 2902.90.9000
• HazardClass: 6.1(b)
• PackingGroup: III
• Toxicity: LC₅₀ (21-d) for Folsomia fimetaria >3,600 mg/kg (Sverdrup et al., 2002).