Intrinsic Property is a class in the Top level CB-NL. An intrinsic property is a property of a thing itself or within.

- Mass: A property of a physical body which determines the body's resistance to being accelerated by a force and the strength of its mutual gravitational attraction with other bodies.
- Density: Mass per unit of volume.
- Surface Structure: A fundamental property referring to the nature and patterns of the surface of entities.
- Material: The (chemical) substance or a mixture of substances that constitute a thing. For example, metal or wood.
- Temporal Whole Part: A relationship that indicates that one concrete object is a temporal part of another concrete object.
- State: Condition of an object.
- Fail State: A state perceived as having failed at some of the basic conditions.
- Condition: The state of something with regard to its appearance, quality, or working order.
- Quality: An attribute describing the way in which a product or an activity meets given requirements.
- Characteristic: A feature or quality belonging typically to a thing and serving to identify it.
- Aggregation State: Fundamental form of a concrete object (solid, liquid, gaseous).
- Colour: The visual perceptual property corresponding in humans to the categories called red, blue, yellow, green and others.