Congo red is a benzidine-based anionic diazo dye, which binds to many amyloid proteins and also interacts with β-D-glucans, polysaccharides containing continuous β-(1→4)-linked D-glucopyranosyl units and some hemicellulosic galactoglucomannans.
Tested for use in histology. Indicator pH 3.0 - 5.2 blue-reddish orange.

DANGER

Substance of very high concern

Hazard Statements	H350 - H361d
Precautions	P201 - P202 - P280
Reaction	P308 +P313
Storage	P405 - P501

Carc. 1B, Repr. 2 • EG-Index: 611-027-00-8 • GGVSE/ADR: 6.1 III UN2811 • IATA: 6.1 III UN2811 • EINECS: 209-358-4 • WGK: 2L • HS: 32049000
Storage Temperature: +15 ">

Certificates of Analysis (Lot.-no. - release date)

Lot No.: 220227 — February 19, 2024

Lot No.: 180970 — October 11, 2018

Lot No.: 141148 — November 5, 2014

Lot No.: 120607 — January 20, 2014

Material Safety Datasheets

27215 CZ

27215 DE

27215 ES

27215 FR

27215 GB

27215 IT

27215 US