OriginPicramic acid is synthesized from picric acid, an aromatic nitro compound derived from phenol. It is produced through selective reduction of picric acid's nitro groups to amino groups.
2-Amino-4,6-dinitrophenol (CI 76540)
Solubility less than 1 mg/mL at 68.9 °F (NTP, 1992)
Formula
C6H5N3O5
Mol. Weight
199.12
CAS #
96-91-3
Form
Liquid
State
2-amino-4,6-dinitrophenol, wetted with not less than 20% water appears as dark red needles or prisms. Red crystals. Water insoluble. Explosive in the dry state but desensitized by wetting. Easily igni
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Hair Dyeing
Colors Hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 535)
Sensitizer in Testing
1 study / 1 sensitizing (CIR 535)
Dermal Absorption 0.38–17.8%
2 results from animal tests in the CIR safety assessment (CIR 535)
murphy