◆ Reagent
Browse › Chemical

Basic Brown 4

CAS 5421-66-9 · C21H26Cl2N8
Hazard class
Warning — Irritant / harmful, Health hazard
Pictograms
Irritant / harmfulHealth hazard
H-statements
  • H312 Harmful in contact with skin
  • H315 Causes skin irritation
  • H351 Suspected of causing cancer
Synonyms
Bismarck Brown R · Bismark Brown R · Basic Brown 4 · Astra Vesuvine B · Basic Brown 2K · C.I. 21010 · C.I. BASIC BROWN 4 · 2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene
Molecular weight
461.4 g/mol
Data source
Aggregated classification PubChem
GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
Search the full chemical database →
GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. Browse categories · API · Console