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CAS 831-52-7 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 3803316/12/2010

SODIUM PICRAMATE

Sodium 2-amino-4,6-dinitrophenoxide (CI 76540)

SODIUM PICRAMATE 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	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Evidence linked Restricted Open this evidence	1	English and French
New Zealand	Evidence linked Restricted Open this evidence	1	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	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	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 831-52-7

CAS 831-52-7PubChem CID 5362461

Sodium Picramate

Sodium picramate, wetted with not less than 20% water appears as a slurry of dark red crystals. Highly explosive. Burns vigorously when dry. May explode if in large quantities. Burns when wet, but difficult to ignite. Produces toxic oxides of nitrogen during combustion. — CAMEO Chemicals

IUPAC name: sodium 2-amino-4,6-dinitrophenolate

Molecular formula: C6H4N3NaO5
Molecular weight: 221.10 g/mol
Exact mass: 221.00486452 Da
Topological polar surface area: 141.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 6
Covalent units: 2
Defined stereocentres: 0

Also known as

Phenol, 2-amino-4,6-dinitro-, monosodium salt2-Amino-4,6-dinitrophenol monosodium saltEINECS 212-603-8UNII-4988SZV57R2-Amino-4,6-dinitrophenol, sodium salt4988SZV57RPhenol, 2-amino-4,6-dinitro-, sodium saltEC 212-603-8

16 more reported names

Phenol, 2-amino-4,6-dinitro-, sodium salt (1:1)SODIUM PICRAMATE, (WET, WITH >= 20% WATER)SODIUM PICRAMATE, [WET, WITH >= 20% WATER]SODIUM PICRAMINATERefChem:184081SODIUM PICRAMATE [INCI]PICRAMIC ACID, SODIUM DERIV.SODIUM PICRAMATE, WETTED WITH NOT LESS THAN 20% WATER212-603-8Picramic Acid Sodium SaltSodium 2-amino-4,6-dinitrophenoxidesodium;2-amino-4,6-dinitrophenolateSodium, (2-amino-4,6-dinitrophenoxy)-sodium 2-amino-4,6-dinitrophenolUN0235UN1349

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID2061193

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 SODIUM PICRAMATE

INCI name

SODIUM PICRAMATE

Description

Sodium 2-amino-4,6-dinitrophenoxide (CI 76540)

Record provenance

Inventory reference: 38033
Imported identity: SODIUM PICRAMATE
Source update: 16/12/2010

European Commission CosIng source notes

Annex records for SODIUM PICRAMATE

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

831-52-7

212-603-8

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.

#26931 · SODIUM PICRAMATE

The markets do not agree about this substance: it is prohibited in some and permitted under conditions in others, across the 4 markets that hold a rule for it.

prohibited: South Korea
restricted: European Union Canada New Zealand

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

See every substance the markets disagree about

Ingredients with overlapping formulation functions

PYROGALLOLHAIR DYEING

RESORCINOLANTIOXIDANT, DENATURANT, HAIR DYEING, PERFUMING

SILVER NITRATEHAIR DYEING

SODIUM BROMOTHYMOL BLUEHAIR DYEING

SODIUM SULFANILATEANTIOXIDANT, HAIR DYEING

SODIUM SULFOPROPYLTHIO SHIKALKINHAIR DYEING

SOLVENT BLACK 3HAIR DYEING

SOLVENT BLACK 5HAIR 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 SODIUM PICRAMATE appears in the CosIng inventory

The CosIng inventory lists SODIUM PICRAMATE 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.

SODIUM PICRAMATE 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

SODIUM PICRAMATE 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, SODIUM PICRAMATE carries the following function designation(s):

HAIR DYEING

CAS 831-52-7 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 SODIUM PICRAMATE

This page combines the CosIng inventory entry for SODIUM PICRAMATE 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 SODIUM PICRAMATE 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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