Picramic acid CAS: 96-91-3

Chemical Name: Picramic Acid
Synonyms: 2-Amino-4,6-dinitrophenol
CAS No.: 96-91-3
Molecular Formula: C₆H₅N₃O₅
Molecular Weight: 199.12 g/mol
Appearance: Dark red crystals (wet product) / Red to brown moist powder

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Quality Specifications

Parameter	Specification
Color	Matches standard
Moisture Content	35.26%
Water-Insoluble Matter	≤0.043%
Amino Value (Dry Basis)	≥85.6%
Acid/Alkali Insolubles	≤0.025%

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Applications

Dye Intermediate:Production of azo dyes and sulfur dyesAnalytical Chemistry:pH indicator (color change at pH 1.3–3.2)Specialty Chemicals:Corrosion inhibitor in metal treatment

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Packaging Options

Form	Packaging	Net Weight
Dry Product	HDPE drum with liner	25 kg/drum
Wet Product	HDPE drum (moisture-sealed)	39 kg/drum

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Storage & Handling

Storage Conditions:Dry, ventilated warehouse (<25°C)Relative humidity: <60%Safety Precautions:Explosive risk – keep away from heat/open flamesIncompatibilities: Strong oxidizers, heavy metals

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Safety Information

Property	Value/Classification
GHS Classification	H201: Explosive; H311+H331: Toxic
Flash Point	Non-flammable (but explosive)
Recommended PPE	Explosion-proof equipment, chemical gloves

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