OriginHC Red No. 7 belongs to the nitro dyes chemical family, synthesized from aromatic hydrocarbon precursors. It is produced through nitration and subsequent coupling reactions of aromatic compounds to create the red colorant.
2-(4-Amino-3-nitroanilino)ethanol
Formula
C8H11N3O3
Mol. Weight
197.19
CAS #
24905-87-1
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Hair Dyeing
Colors Hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 362)
Mixed Eye Irritation Results
1 study / 1 mixed / reactions slight (CIR 362)
Sensitizer in Testing
1 study / 1 sensitizing (CIR 362)
Dermal Absorption 0.091–0.1%
2 lab (in vitro) studies in the CIR safety assessment (CIR 362)
murphy