SP Bel-Art, H-B DURAC General Purpose Liquid-In-Glass Laboratory Thermometer; -35 to 50C, Total Immersion, Organic Liquid Fill (B60800-2900)

From the manufacturer <img alt="" src="https://m.media-amazon.com/images/S/aplus-media/mg/8110e01e-7bcc-4af0-\" what are the different types of liquids used in liquid-in-glass thermometers? There are many different liquids used in thermometers that range in environmental safety.

1.

Enviro-Safe liquid - (exclusive to H-B Instrument) is a non-toxic mixture of biodegradable citrus liquid and a green, non-toxic dye.

This liquid is used in Enviro-Safe, Easy-Read, Double-Safe and FRIO-Temp thermometers.