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4H-CYCLOPENTA[DEF]PHENANTHRENE

4H-CYCLOPENTA[DEF]PHENANTHRENE structure

CAS No.: 203-64-5

Chemical Name:: 4H-CYCLOPENTA[DEF]PHENANTHRENE

Synonyms: Nsc88888;Benzo[def]fluorene;benzo(def)fluorene;Methylenephenanthrene;Cyclopentaphenanthrene;Wln: L566 B6 2ab o dhj;4,5-METHYLENEPHENANTHRENE;4,5-Phenanthrylenemethane;Cyclopenta[def]phenanthrene;Phenanthrene, 4,5-methylene-

CBNumber:: CB2293929

Molecular Formula:: C15H10

Molecular Weight:: 190.24

MDL Number:: MFCD00003804

MOL File:: 203-64-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-04-24 14:58:50

Product description	Number	Pack Size	Price
Cyclopenta[d,e,f]phenanthrene 97%	261424	500mg	$396
4,5-Methylenephenanthrene	AA0028JU	100mg	$783
4,5-Methylenephenanthrene 97%	MT-17867	10g	$880
4,5-Methylenephenanthrene 97%	MT-17867	10g	$880
4H-CYCLOPENTA[DEF]PHENANTHRENE 95.00%	CHM0011748	500MG	$752.51

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4H-CYCLOPENTA[DEF]PHENANTHRENE Properties

Melting point	113-115 °C(lit.)
Boiling point	353 °C(lit.)
Density	1.1031 (estimate)
refractive index	1.5000 (estimate)
Water Solubility	1.1mg/L(27 ºC)
BRN	2043908
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
InChI	1S/C15H10/c1-3-10-7-8-11-4-2-6-13-9-12(5-1)14(10)15(11)13/h1-8H,9H2
InChIKey	RKZDZWJDQTZDLD-UHFFFAOYSA-N
SMILES	C1c2cccc3ccc4cccc1c4c23
CAS DataBase Reference	203-64-5(CAS DataBase Reference)
FDA UNII	U16R456Q1Y
EPA Substance Registry System	4H-Cyclopenta[def]phenanthrene (203-64-5)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

PPE	Eyeshields, Gloves, type N95 (US)
Risk Statements	36/37/38
Safety Statements	22-24/25
RIDADR	2811
WGK Germany	3
RTECS	GY5280000
HazardClass	6.1(b)
PackingGroup	III
Storage Class	11 - Combustible Solids

4H-CYCLOPENTA[DEF]PHENANTHRENE price More Price(6)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	261424	Cyclopenta[d,e,f]phenanthrene 97%	203-64-5	500mg	$396	2026-04-30	Buy
aablocks	AA0028JU	4,5-Methylenephenanthrene	203-64-5	100mg	$783	2026-05-28	Buy
AHH	MT-17867	4,5-Methylenephenanthrene 97%		10g	$880	2026-05-26	Buy
AHH	MT-17867	4,5-Methylenephenanthrene 97%		10g	$880	2026-05-25	Buy
American Custom Chemicals Corporation	CHM0011748	4H-CYCLOPENTA[DEF]PHENANTHRENE 95.00%	203-64-5	500MG	$752.51	2021-12-16	Buy

Product number	Packaging	Price	Buy
261424	500mg	$396	Buy
AA0028JU	100mg	$783	Buy
MT-17867	10g	$880	Buy
MT-17867	10g	$880	Buy
CHM0011748	500MG	$752.51	Buy

4H-CYCLOPENTA[DEF]PHENANTHRENE Chemical Properties,Uses,Production

Chemical Properties

white crystals

Uses

Cyclopenta[d,e,f]phenanthrene (4,5-methylenephenanthrene) has been used as an indicator in the synthesis of homopolymers and block copolymers of styrene and dienes with variable 1,2-polydiene content.

4H-CYCLOPENTA[DEF]PHENANTHRENE Preparation Products And Raw materials

Raw materials

Preparation Products

4H-CYCLOPENTA[DEF]PHENANTHRENE Suppliers

Global( 63)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32466	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30225	58
Finetech Industry Limited	+86-27-8746-5837 +8619945049750	info@finetechnology-ind.com	China	9539	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
Shaanxi Didu New Materials Co. Ltd	+8617792793228	1069@dideu.com	China	8561	58
PT CHEM GROUP LIMITED	+86-85511178;	peter68@ptchemgroup.com	China	35425	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49967	58
Aladdin Scientific		tp@aladdinsci.com	United States	52923	58
Mainchem Co., Ltd.	+86-0592-6210733	sale@mainchem.com	China	32343	55
J & K SCIENTIFIC LTD.	18210857532; 18210857532	jkinfo@jkchemical.com	China	96815	76

Supplier	Advantage
TargetMol Chemicals Inc.	58
Career Henan Chemica Co	58
Finetech Industry Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Shaanxi Didu New Materials Co. Ltd	58
PT CHEM GROUP LIMITED	58
GIHI CHEMICALS CO.,LIMITED	58
Aladdin Scientific	58
Mainchem Co., Ltd.	55
J & K SCIENTIFIC LTD.	76

4H-CYCLOPENTA[DEF]PHENANTHRENE Spectrum

4H-CYCLOPENTA[DEF]PHENANTHRENE(203-64-5)MS 4H-CYCLOPENTA[DEF]PHENANTHRENE(203-64-5)¹HNMR 4H-CYCLOPENTA[DEF]PHENANTHRENE(203-64-5)¹³CNMR 4H-CYCLOPENTA[DEF]PHENANTHRENE(203-64-5)IR1 4H-CYCLOPENTA[DEF]PHENANTHRENE(203-64-5)Raman

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4,5-METHYLENEPHENANTHRENE 4H-CYCLOPENTA[DEF]PHENANTHRENE 4,5-Phenanthrylenemethane 4H-Cyclopenta[drf]phenanthrene benzo(def)fluorene Benzo[def]fluorene Cyclopenta[def]phenanthrene Cyclopentaphenanthrene Methane, 4,5-phenanthrylene- Methylenephenanthrene Phenanthrene, 4,5-methylene- 4H-CYCLOPENTANOL(DEF)PHENANTHRENE 4H-CYCLOPENTA[DEF]PHENANTHRENE 98+% Nsc88888 Wln: L566 B6 2ab o dhj 4,5-Methylenephenanthrene@50 μg/mL in Toluene 4H-Cyclopenta[def]pheanthrene (or) 4,5-Methylenephenanthrene 4H-Cyclopenta[def]phenanthrene in isooctane Cyclopenta(d,e,f)phenanthrene in Cyclohexane Cyclopenta(d,e,f)phenanthrene in Acetonitrile Cyclopenta[d,e,f]phenanthrene 203-64-5 Arenes Building Blocks Organic Building Blocks