What other records share CAS 96-91-3?

CAS 96-91-3 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3656215/11/2016

PICRAMIC ACID

2-Amino-4,6-dinitrophenol (CI 76540)

PICRAMIC ACID is linked to 1 EU annex record on this page.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Restricted entry found Open this evidence	1	English and EU languages
Great Britain	Evidence linked Restricted Open this evidence	1	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Evidence linked Restricted Open this evidence	1	English
ASEAN	Evidence linked Restricted Open this evidence	1	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Evidence linked Prohibited + Restricted Open this evidence	2	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Evidence linked Restricted Open this evidence	1	English and Hindi
Saudi Arabia	Evidence linked Restricted Open this evidence	1	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 96-91-3

CAS 96-91-3PubChem CID 4921319

Picramic Acid

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 ignited and once ignited burn readily. — CAMEO Chemicals

IUPAC name: 2-amino-4,6-dinitrophenol

Molecular formula: C6H5N3O5
Molecular weight: 199.12 g/mol
Exact mass: 199.02292027 Da
XLogP3: 0.9
Topological polar surface area: 138.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 0

Also known as

Fourrine 4RFourrine 93Furro 4RAcide picramiqueOxidation Base 21Zoba 4R2,4-Dinitro-6-aminophenolC.I. Oxidation Base 21

16 more reported names

CI Oxidation Base 211-Amino-2-hydroxy-3,5-dinitrobenzene5VDQ7GK8L3CI 76540NSC-36939C.I. 765401-AMINO-3,5-DINITRO-2-HYDROXYBENZENERefChem:174178202-544-66-Amino-2,4-dinitrophenolPhenol, 2-amino-4,6-dinitro-4,6-DINITRO-2-AMINOPHENOLNSC 36939Acide picramique [French]CCRIS 1003HSDB 4319

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL3183248
EPA DTXSID:DTXSID5024479

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for PICRAMIC ACID

INCI name

PICRAMIC ACID

Description

2-Amino-4,6-dinitrophenol (CI 76540)

Record provenance

Inventory reference: 36562
Imported identity: PICRAMIC ACID
Source update: 15/11/2016

European Commission CosIng source notes

Annex records for PICRAMIC ACID

Annex III Shared CAS number

Entry 280

Picramic Acid and Sodium Picramate

CAS: 96-91-3 / 831-52-7

EC: 202-544-6 / 212-603-8

Key data

CAS

96-91-3

202-544-6

Restriction

—

Function

HAIR DYEING: Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#20994 · PICRAMIC ACID

The markets do not agree about this substance: it is prohibited in some and permitted under conditions in others, across the 7 markets that hold a rule for it.

prohibited: South Korea
restricted: European Union Great Britain New Zealand ASEAN India Saudi Arabia

South Korea holds more than one rule for this substance, so its position there depends on the use.

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Ingredients with overlapping formulation functions

PEG-3 2,2'-DI-P-PHENYLENEDIAMINEHAIR DYEING

PEG-3,2',2'-DI-P-PHENYLENEDIAMINEHAIR DYEING

PHENYL METHYL PYRAZOLONEHAIR DYEING

PHLOROGLUCINOLHAIR DYEING

PIGMENT BLUE 15HAIR DYEING

PIGMENT BLUE 15:1HAIR DYEING

PIGMENT GREEN 7HAIR DYEING

PIGMENT RED 112HAIR DYEING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How PICRAMIC ACID appears in the CosIng inventory

The CosIng inventory lists PICRAMIC ACID as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

PICRAMIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

PICRAMIC ACID appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

According to the EU CosIng inventory, PICRAMIC ACID carries the following function designation(s):

HAIR DYEING

CAS 96-91-3 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for PICRAMIC ACID

This page combines the CosIng inventory entry for PICRAMIC ACID with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research PICRAMIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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