Shanghai Nianxing Industrial Co., Ltd
China
Product Name: PENTACYCLO(6.2.1.O2,7.O4,10.05.9)U
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2,4-Ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione,hexahydro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2958-72-7

2958-72-7 structure

2958-72-7 structure

Name: 1,2,4-Ethanylylidene-1H-cyclobuta[cd]pentalene-5,7(1aH)-dione,hexahydro-
Chemical Name: pentacyclo[5.4.0.0^{2,6}.0^{3,10}.0^{5,9}]undecane-8,11-dione
CAS Number: 2958-72-7
Molecular Formula: C₁₁H₁₀O₂
Molecular Weight: 174.19600
Create Date: 2018-12-27 23:25:36
Modify Date: 2025-08-25 04:45:12

Name	pentacyclo[5.4.0.0^{2,6}.0^{3,10}.0^{5,9}]undecane-8,11-dione
Synonyms	ghl.PD_Mitscher_leg0.66 MFCD00213400 Cookson's diketone Cookson's dione

Density	1.552g/cm3
Boiling Point	343.1ºC at 760 mmHg
Melting Point	240-242ºC(lit.)
Molecular Formula	C₁₁H₁₀O₂
Molecular Weight	174.19600
Flash Point	128.7ºC
Exact Mass	174.06800
PSA	34.14000
LogP	0.51230
Vapour Pressure	7.21E-05mmHg at 25°C
Index of Refraction	1.696

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
WGK Germany	3

Precursor 0
DownStream 2
25282-60-4 33226-56-1

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