Trizma

Description

[Sigma Chemical] A registered trademark for a buffer mixture. Trizma® is contains a basic material, tris, and its corresponding acid salt, tris-HCl. An equal mixture of the two materials in an aqueous solution gives a stable pH of 7.8. Trizma® is also used as an emulsifying agent.

Note: tris is short for tris(hydroxymethyl)aminomethane.

Synonyms and Related Terms

TRIS; THAM; tris buffer; trisamine; tromethamine

Risks

• May be harmful by inhalation and ingestion.
• Contact may cause irritation.
• Sigma Aldrich: SDS

Physical and Chemical Properties

CAS	77-86-1
Melting Point	171-172 C
Boiling Point	219-220 C

Resources and Citations

• Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9902