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Home/Compounds/Dye & Pigment/Hydroxyethyl-p-phenylenediamine sulfate
C8H14N2O5S
250.27 g/mol
Dye & PigmentDanger

COLOREX 25DAPE

CAS93841-25-9EC298-995-1
Category
Dye & Pigment
Compound Class
Amine
Primary Use
oxidative hair dye intermediate

COLOREX 25DAPE is a chemical compound used as an intermediate in oxidative hair dye formulations. It consists of an aromatic amine structure with an alcohol substituent, and is supplied as a salt or mixture form.

oxidative hair dye intermediate

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

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fluorescent dye

ReferenceSame Category

5-nitrobenzimidazole

CAS94-52-0

Antifogging agent in photographic developers

ReferenceSame Category

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CAS94021-88-2

Dye and pigment lake

ReferenceSame Category

2-(7-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate

CAS943298-08-6

fluorescent cyanine dye

Safety Reference

Toxic
Toxic
Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H301Toxic if swallowed
H317May cause an allergic skin reaction
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H319Causes serious eye irritation

Customs Tariff Classification

The international HS code for COLOREX 25DAPE (CAS 93841-25-9) is 2922.19.

HS code (international, 6-digit)

2922.19

EU CN code (8-digit)

2922 19 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

2-(2,5-diaminophenyl)ethanol;sulfuric acid

InChIKey

VBSLNFWECRRALP-UHFFFAOYSA-N

SMILES

C1=CC(=C(C=C1N)CCO)N.OS(=O)(=O)O

Synonyms (10)
  • COLOREX 25DAPE

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