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6,6-Dimethylfulvene

6,6-Dimethylfulvene structure

CAS No.: 2175-91-9

Chemical Name:: 6,6-Dimethylfulvene

Synonyms: 1,3-Cyclopentadiene, 5-(1-methylethylidene)-;DIMETHYLFULVENE;TIMTEC-BB SBB008063;6,6-Dimethylfulvene;fulvene,6,6-dimethyl-;Fulvene, 6,6-dimethyl;6,6'-Dimethyl fulvene;6,6-Dimethylfulvene>6,6-DiMethylfulvene >=97.0%;Isopropylidenecyclopentadiene

CBNumber:: CB4413149

Molecular Formula:: C8H10

Molecular Weight:: 106.17

MDL Number:: MFCD00011655

MOL File:: 2175-91-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:52:49

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6,6-Dimethylfulvene Properties

Melting point	3 °C
Boiling point	76-77 °C/50 mmHg (lit.)
Density	0.881 g/mL at 25 °C (lit.)
refractive index	n20/D 1.548(lit.)
Flash point	43°C
storage temp.	-20°C
form	clear liquid
color	Light yellow to Brown
BRN	1616308
InChI	InChI=1S/C8H10/c1-7(2)8-5-3-4-6-8/h3-6H,1-2H3
InChIKey	WXACXMWYHXOSIX-UHFFFAOYSA-N
SMILES	C1/C(=C(/C)\C)/C=CC=1
CAS DataBase Reference	2175-91-9(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS02,GHS08

Signal word

Danger

Hazard statements

H226-H304

Precautionary statements

P210-P301+P310+P331

PPE

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes

Risk Statements

10-65

Safety Statements

16-62

RIDADR

UN 3295 3/PG 3

WGK Germany

4.10-10-13-23

HazardClass

3.2

PackingGroup

III

HS Code

2902190000

Storage Class

3 - Flammable liquids

Hazard Classifications

Asp. Tox. 1
Flam. Liq. 3

NFPA 704

	2
0		0

6,6-Dimethylfulvene price More Price(29)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	646369	6,6-Dimethylfulvene technical grade	2175-91-9	10g	$209	2026-04-30	Buy
Sigma-Aldrich	40288	6,6-Dimethylfulvene ≥95%	2175-91-9	5ml	$147	2026-04-30	Buy
TCI Chemical	D2786	6,6-Dimethylfulvene >95.0%(GC)	2175-91-9	1g	$54	2026-04-30	Buy
Apolloscientific	OR52345	6,6-Dimethylfulvene 97%	2175-91-9	100mg	$21	2026-06-04	Buy
Apolloscientific	OR52345	6,6-Dimethylfulvene 97%	2175-91-9	250mg	$26	2026-06-04	Buy

Product number	Packaging	Price	Buy
646369	10g	$209	Buy
40288	5ml	$147	Buy
D2786	1g	$54	Buy
OR52345	100mg	$21	Buy
OR52345	250mg	$26	Buy

6,6-Dimethylfulvene Chemical Properties, Uses, Production

Uses

6,6-Dimethylfulvene can be used for hydrogenation of azulene synthesis; olefin protection.

Preparation

6,6-Dimethylfulvene is prepared by reaction of cyclopentadiene with acetone under basic conditions. The condensation has also been accomplished using pyrrolidine.

Synthesis Reference(s)

The Journal of Organic Chemistry, 54, p. 4981, 1989 DOI: 10.1021/jo00282a004

6,6-Dimethylfulvene synthesis

Synthesis of 6,6-Dimethylfulvene from Mesityl oxide and 1,3-Cyclopentadiene

6,6-Dimethylfulvene Preparation Products And Raw materials

Raw materials

1,3-Cyclopentadiene, 5-(dimethoxymethylene)- Bicyclo[2.2.1]hepta-2,5-diene, 7-(1-methylethylidene)- dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid, 7-(1-methylethylidene)-, 2,3-dimethyl ester 2-Diazopropane

1,3-Cyclopentadiene, 5-[bis(methylthio)methylene]- 2,3-Diazabicyclo[2.2.1]hept-2-ene, 7-(1-methylethylidene)- NISTC10514791 Isopropylidenecyclopentane (2,4,6-Cycloheptatriene-1-ylidene)malononitrile

1-iso-Propylcyclopentene 5-Hepten-1-yne, 6-methyl- Methyllithium Acetylene 1,3-Cyclopentadiene

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Preparation Products

Isopropylcyclopentane

6,6-Dimethylfulvene Suppliers

Global Suppliers ( 157)

Supplier	Tel	Email	Country	ProdList	Advantage
Changzhou Kafule Environmental Protection Materials Co., Ltd	13839301681	1370806610@qq.com	China	272	58
Henan Research New Material Co., Ltd.	86-18903931531 18903931628	sales036@researchvip.com	China	180	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57

Supplier	Advantage
Changzhou Kafule Environmental Protection Materials Co., Ltd	58
Henan Research New Material Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55
Energy Chemical	61
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57

View Latest Price from 6,6-Dimethylfulvene manufacturers

Update time	Product	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-04	6,6-DiMethylfulvene 2175-91-9		97% 98%(GC)	100kg	Henan Research New Materials Co., Ltd.
2025-12-23	6,6-Dimethylfulvene 2175-91-9	1kg	98%	50kg	XINXIANG RUNYU MATERIAL CO., LTD.
2022-01-15	5-propan-2-ylidenecyclopenta-1,3-diene 2175-91-9	1KG	98.2%	100 tons	Honest Joy Holdings Limited

6,6-DiMethylfulvene
2175-91-9
97% 98%(GC)
Henan Research New Materials Co., Ltd.

6,6-Dimethylfulvene
2175-91-9
98%
XINXIANG RUNYU MATERIAL CO., LTD.

5-propan-2-ylidenecyclopenta-1,3-diene
2175-91-9
$0.00
98.2%
Honest Joy Holdings Limited

6,6-Dimethylfulvene Spectrum

6,6-DIMETHYLFULVENE(2175-91-9)IR1

2175-91-9 (6,6-Dimethylfulvene) Related Search:

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1,6,6-Trimethyl-3-tert-butyl-fulvene IROFULVEN 6,6-Bis(p-methoxyphenyl)fulvene HNS 32 4,6,8-Trimethylazulene

5-Isopropyl-3,8-dimethylazulene-1-carbaldehyde SALOR-INT L164437-1EA RARECHEM AL BD 1110 SALOR-INT L162930-1EA SALOR-INT L160709-1EA

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1of4

5-isopropylidene-cyclopenta-1,3-diene 5-Isopropylidene-cyclopentadien Fulvene, 6,6-dimethyl fulvene,6,6-dimethyl- Isopropylidenecyclopentadiene DIMETHYLFULVENE 5-ISOPROPYLIDENE-1,3-CYCLOPENTADIENE 5-(DIMETHYLMETHYLENE)-1,3-CYCLOPENTADIENE 5-(1-METHYLETHYLIDENE)-1,3-CYCLOPENTADIENE 5-propan-2-ylidenecyclopenta-1,3-diene 6,6-Dimethylfulvene, tech. grade 5-(1-Methylethylidene)-1,3-cyclopentadiene, 5-Isopropylidene-1,3-cyclopentadiene 1,3-Cyclopentadiene, 5-isopropylidene- 5-Isopropylidene-1,3-cyclopentadiene 5-(Dimethylmethylene)-1,3-cyclopentadiene 6,6-DiMethylfulvene >=97.0% 6,6-Dimethylfulvene technical grade TIMTEC-BB SBB008063 6,6-Dimethylfulvene> 6,6'-Dimethyl fulvene 1,3-Cyclopentadiene, 5-(1-methylethylidene)- 6,6-Dimethylfulvene 2175-91-9 Alkenes Acyclic Building Blocks Organic Building Blocks