
2-Aminophenol ( O-Aminophenol ) [CAS: 95-55-6 ] - 10g
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Description
2-Aminophenol (o-Aminophenol)
Synonyms: o-Hydroxyaniline, 2-Hydroxyaniline
CAS Number: 95-55-6
EC Number: 202-431-1
Chemical Formula: C₆H₇NO
Molar Mass: 109.13 g/mol
Appearance: White to slightly reddish crystalline solid
Odor: Slight phenolic odor
Chemical and Physical Properties
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Melting Point: 170–174 °C
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Boiling Point: Decomposes before boiling
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Density: ~1.293 g/cm³
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Solubility: Slightly soluble in water; soluble in alcohol and ether
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pH (1% solution): ~8
Applications
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Dye Industry: Intermediate in the synthesis of azo and sulfur dyes
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Hair Colorants: Used in oxidative hair dye formulations
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Organic Synthesis: Precursor for pharmaceuticals, agrochemicals, and fine chemicals
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Analytical Chemistry: Used as a reagent in various metal detection tests
Safety Information
Signal Word: ⚠️ Warning
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H332 (> 99.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H341 (> 99.9%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]
P203, P261, P264, P270, P271, P280, P301+P317, P304+P340, P317, P318, P330, P405, and P501
Handling and Storage
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Handling: Avoid inhalation of dust and contact with skin or eyes. Use adequate ventilation
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Storage: Store in a tightly closed container in a cool, dry, well-ventilated area, away from oxidizing agents