Lithol Rubine BK E180
azo dye β Primarily synthetic.
Calcium 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthoate
CAS: 5160-02-1
Factual Regulatory Reference
This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.
? Did You Know?
Lithol Rubine BK isn't just a food additive β it's also used in industrial applications.
Regulatory opinions differ: Lithol Rubine BK is approved in EU but banned in USA, JAPAN, CANADA. This reflects different risk assessment philosophies between regions.
In the EU, Lithol Rubine BK has a "quantum satis" authorization β Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.
Detailed Regulatory Assessment
European Union (EFSA)
ONLY permitted for edible cheese rind - no other food use allowed
United States (FDA)
Not permitted in US foods
Japan (MHLW)
Not permitted
Acceptable Daily Intake (ADI)
International Standard (JECFA)
mg/kg body weight per day
European Standard (EFSA)
Everyday Perspective
For a 60kg adult, this limit is roughly equivalent to consuming:
Natural Occurrence
This additive is not known to occur naturally in significant quantities.
Manufacturing
Synthesized through azo coupling reactions to produce a red pigment specifically for cheese rind coating.
Applications Beyond Food
Used as a pigment in inks and paints