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KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid

Korean: 4-아미노-2-나이트로다이페닐아민-2'-카복실릭애씨드 · CAS 117907-43-4 · Functions: hair dyeing

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/1644

Source: EU CosIng — Annex II · checked Oct 17, 2026

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Other markets

How 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid is treated in 1 more market, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.

Market	Status	Conditions
AS ASEAN (10 countries)	Prohibited only in certain forms or uses	when used as a substance in hair and eyelash dye products

Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026

Also listed as

4-AMINO-2-NITRODIPHENYLAMINE-2'-CARBOXYLIC ACID 4-아미노-2-나이트로다이페닐아민-2'-카복실릭애씨드

Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.

Frequently asked questions

Is 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid banned in the European Union?

In the EU's CosIng records it is listed as “Prohibited” (EU CosIng — Annex II).

Is 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid banned in South Korea?

We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.

Is 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid allowed in cosmetics in the U.S.?

We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.

What is 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid used for in cosmetics?

The EU's CosIng inventory lists its functions as: hair dyeing.

What is 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid called on Korean labels?

Korea's MFDS standard Korean name is 4-아미노-2-나이트로다이페닐아민-2'-카복실릭애씨드.

What is the CAS number of 4-Amino-2-Nitrodiphenylamine-2'-Carboxylic Acid?

CAS 117907-43-4 (from official records).