Fullerene C70 CAS No. 115383-22-7 Fullerene C70

Fullerene C70

CAS No. 115383-22-7

Chemical Name: Fullerene C70

Molecular Formula: C70

CAS No.115383-22-7

Density: ~1.7 g/cm³

M.W: 840.75

Melting point: >280℃

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Product Description
Product Properties
Applications
Packing & Storage
Technical Index

Product Description

Fullerene C70 is a cage-shaped carbon allotrope composed of 70 carbon atoms, belonging to the fullerene family. The molecule has an ellipsoidal (rugby-ball) shape with D5h symmetry, featuring a closed hollow structure formed by 12 five-membered rings and 25 six-membered rings. Compared with C60, it has 10 more carbon atoms and a longer ellipsoid, with a molecular size of approximately 0.71×0.79 nm.

Product properties & Features

High stability: Stable at room temperature and atmospheric pressure; resistant to acids, alkalis, UV, and oxidation. As an electron-deficient alkene, it readily undergoes electrophilic addition and cycloaddition reactions.
Easy derivatization: Hydroxyl, carboxyl, amino groups, etc., can be introduced onto the surface to form water-soluble/functionalized derivatives (e.g., fullerenol, fullerene carboxylic acid).
Redox activity: Can reversibly accept 6 electrons with a wide electrochemical window, suitable for electrode materials and sensors.
Optical properties: Broader UV-Vis absorption range than C60 (strong absorption in visible region) and high third-order nonlinear optical coefficient, applicable to optical limiting and photocatalysis.

Applications

Energy: Acceptor material for organic photovoltaic (OPV) cells with higher photoelectric conversion efficiency than C60; electrode material for lithium-ion batteries/supercapacitors, electrolyte additive for solid-state batteries.
Biomedicine: Highly effective free radical scavenger/antioxidant; photosensitizer for photodynamic therapy (PDT) (generates reactive oxygen species to kill cancer cells); drug carrier (loads chemotherapeutic drugs and gene drugs).
Material industry: Reinforcing filler for polymers (enhances strength, heat resistance, and aging resistance); UV stabilizer and antistatic agent; nonlinear optical devices and optical limiting materials.

Packing & Storage

1) 10g/100g/500g/glass bottle, or as request

2) 1kg/bag (1kg net weight, 1.1kg gross weight, packed in an aluminum foil bag)

3) 5kg/carton(1kg net weight, 1.1kg gross weight, packed in five aluminum foil bag)

Technical Index

Fullerene C60Grade I	Fullerene C60 Grade II	Fullerene C60 Grade III	Fullerene C60Grade IV	Fullerene C60 Grade V	Fullerene C70 Grade I	Fullerene C70 Grade II	Fullerene C70 Grade III	Fullerene C70 Grade IV
Purity: 99.5%	Purity: 99.9%	Purity: 99.95%	Purity 99.99%	Number of -OH: 18-28	Purity: 95%	Purity: 99%	Purity: 99.5%	Purity: 99.9%

* NOTE: Customized production available upon request.

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