4-Aminophenol Ingredient Allergy Safety Information

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What is it?

4-aminophenol is a primary intermediate for hair dyes, and is also used in developing of black and white photographs and the dyeing of materials such as furs, feathers, and textiles. This chemical is also commonly used in the manufacture of the medication acetaminophen (Tylenol).

How can I avoid it?

Avoidance requires reading labels, package inserts, Safety Data Sheets (SDS), and on occasion, direct communication with the manufacturer.

Uses:

Hair dyes
Pharmaceutical production of analgesic medications like acetaminophen (Tylenol)
Photographic developer in black and white film
Fur dyes
Feather dyes
Rubber antioxidant
Textile dyes
Oil additive

Other names for 4-aminophenol:

1-Amino-4-hydroxybenzene
4-Aminobenzenol
4-Hydroxyaniline
4-nitro-2-aminophenol
Actinol
Aminophenol
Azol
Certinal
Citrol
m-aminophenol
p-Aminophenol
Para-aminophenol
Paranol
p-Hydroxyaniline
Rodinal
Roenal
Unal
Unsol P

Potential cross-reacting/co-reacting substances:

p-Phenylenediamine (PPD)

11-2025

How safe is it?

Related Ingredients

2-Amino-5-Ethylphenol Hcl

2-Methoxymethyl-P-Phenylenediamine

4-Aminophenol (Strict: Removes Ppd And Paba; Also Known As P-Aminophenol)

Disperse Blue 106

N,N-Diethyl-2-Methyl-P-Phenylenediamine

P-Phenylenediamine (Strict Removal Of Cross Reactors From Shopping List: Aminophenol, Disperse Dyes, Paba, Caines-Esters, Parabens)

Para-Aminophenol

Ppd (Paraphenylenediamine) [Strict: Methoxymethyl-P-Phenylenediamine, Aminophenol, Azo/Disperse Dyes, Parabens/Caines-Esters Removed From Shopping List]

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