Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,6,7-Trioxabicyclo(2.2.2)octane, 4-cyclopropyl-1-(4-ethynylphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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131505-50-5

131505-50-5 structure

131505-50-5 structure

Name: 2,6,7-Trioxabicyclo(2.2.2)octane, 4-cyclopropyl-1-(4-ethynylphenyl)
Chemical Name: 1-cyclopropyl-4-(4-ethynylphenyl)-3,5,8-trioxabicyclo[2.2.2]octane
CAS Number: 131505-50-5
Molecular Formula: C₁₆H₁₆O₃
Molecular Weight: 256.29600
Create Date: 2017-09-07 09:24:46
Modify Date: 2025-10-30 21:45:14

Name	1-cyclopropyl-4-(4-ethynylphenyl)-3,5,8-trioxabicyclo[2.2.2]octane

Density	1.26g/cm3
Boiling Point	347.7ºC at 760mmHg
Molecular Formula	C₁₆H₁₆O₃
Molecular Weight	256.29600
Flash Point	117ºC
Exact Mass	256.11000
PSA	27.69000
LogP	2.25160
Vapour Pressure	0.000106mmHg at 25°C
Index of Refraction	1.608

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YJ9278450

CHEMICAL NAME :: 2,6,7-Trioxabicyclo(2.2.2)octane, 4-cyclopropyl-1-(4-ethynylphenyl)-

CAS REGISTRY NUMBER :: 131505-50-5

LAST UPDATED :: 199309

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C16-H16-O3

MOLECULAR WEIGHT :: 256.32

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 440 ug/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 39,1329,1991

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