4,4'-Bi-o-toluidine dihydrochloride

4,4'-Bi-o-toluidine dihydrochloride in plain language

What it is

Also known as O-tolidine dihydrochloride · 3,3'-Dimethylbenzidine dihydrochloride · Benzidine, 3,3'-DIMETHYL-, dihydrochloride · 2,3'-Dimethylbiphenyl-4,4'-diamine dihydrochloride · 3,3'-Dimethylbenzidene dihydrochloride · 3,3'-Dimethylbenzidine.2HCl

Show all 13 names

3,3’-Dimethylbenzidine 2HCl · 4,4'-Diamino-3,3'-dimethylbiphenyl dihydrochloride · AAA61282 · o-tolidine dihydrochloride cas 612-82-6 · o-tolidine dihyrochloride · ortho-tolidine dihydrochloride hydrate · orthotolidine dihydrochloride

What it does

We don't have a plain-language description for 4,4'-Bi-o-toluidine dihydrochloride yet.

Is it a concern?

Critical concern: classified for carcinogenic, mutagenic or reproductive toxicity (CMR). It is banned in EU cosmetics.

Why it's flagged

• Cmr

4,4'-Bi-o-toluidine dihydrochloride is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

• EU Annex II — prohibited
• EU prohibited in cosmetics

• EU·EC

  Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products. CMR: Carcinogenic Cat. 1B()

  banned
  View source →

• EU·CosIng·ActiveCosmetics Regulation annex II / ref 722.

  • Cosmetics Regulation annex II / ref 722.Source →
• US·EPA·commercial use observedEPA CPDat observed this chemical in 15 composition records across product categories including Laboratory supplies, Specialty occupational products.

  • EPA CPDat observed this chemical in 15 composition records across product categories including Laboratory supplies, Specialty occupational products.Source →
• US·FDA·listed in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.

  • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for 4,4'-Bi-o-toluidine dihydrochloride. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

• SCCS

  EU Scientific Committee on Consumer Safety

  No SCCS opinion on file.

• CIR

  Cosmetic Ingredient Review (US expert panel)

  No CIR safety assessment on file.