Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-CYCLOPENTA(DEF)CHRYSENE
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Purity: 98.0%
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202-98-2

202-98-2 structure

Name: 4H-CYCLOPENTA(DEF)CHRYSENE
Chemical Name: 4H-cyclopentachrysene
CAS Number: 202-98-2
Molecular Formula: C₁₉H₁₂
Molecular Weight: 240.29900
Create Date: 2016-10-29 02:12:26
Modify Date: 2025-09-26 10:34:23

Name	4H-cyclopentachrysene
Synonyms	Chrysene,4,5-methylene cyclpenta<def>chrysene 4H-Cyclopenta(def)chrysene 4H-Cyclopenta[def]chrysen 4,5-Methylenechrysene 4,5-Methanochrysene

Density	1.296g/cm3
Boiling Point	470.4ºC at 760mmHg
Molecular Formula	C₁₉H₁₂
Molecular Weight	240.29900
Flash Point	229.5ºC
Exact Mass	240.09400
LogP	5.05040
Vapour Pressure	1.44E-08mmHg at 25°C
Index of Refraction	1.848

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GY0875000

CHEMICAL NAME :: 4H-Cyclopenta(def)chrysene

CAS REGISTRY NUMBER :: 202-98-2

BEILSTEIN REFERENCE NO. :: 2450512

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C19-H12

MOLECULAR WEIGHT :: 240.31

WISWESSER LINE NOTATION :: L D6 B6566 2AB S LHJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 80 mg/kg

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 5 ug/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 9,183,1987

HS Code	2902909090

86853-91-0

~60%

202-98-2

Literature: Lee-Ruff, Edward; Kruk, Henry; Katz, Morris Journal of Organic Chemistry, 1984 , vol. 49, # 3 p. 553 - 555

130800-19-0

202-98-2

Literature: Harvey, Ronald G.; Pataki, John; Cortez, Cecilia; Raddo, Pasquale Di; Yang, ChengXi Journal of Organic Chemistry, 1991 , vol. 56, # 3 p. 1210 - 1217

68723-48-8

202-98-2

Literature: Lee-Ruff, Edward; Kruk, Henry; Katz, Morris Journal of Organic Chemistry, 1984 , vol. 49, # 3 p. 553 - 555

191021-93-9

202-98-2

Literature: Dai, Wei; Harvey, Ronald G. Organic Preparations and Procedures International, 1997 , vol. 29, # 3 p. 347 - 352

100-39-0

2235-15-6

202-98-2

Literature: Nagel; Kupper; Antonson; Wallcave The Journal of organic chemistry, 1977 , vol. 42, # 22 p. 3626 - 3628

130800-11-2

130800-06-5

202-98-2

Literature: Harvey, Ronald G.; Pataki, John; Cortez, Cecilia; Raddo, Pasquale Di; Yang, ChengXi Journal of Organic Chemistry, 1991 , vol. 56, # 3 p. 1210 - 1217

Precursor 7
86853-91-0 68723-48-8 191021-93-9 100-39-0
2235-15-6 130800-11-2 130800-06-5
DownStream 1
143924-52-1

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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