4-Aminophenol Cas:123-30-8

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Product Description:

Product Name: 4-Aminophenol CAS NO: 123-30-8

 

Synonyms:             

ACETAMINOPHEN IMPURITY K;

HYDROCODONE/APAP BITARTRATE IMP K;

P-HYDROXYANILINE;

 

Chemical & Physical Properties:

Appearance: Off-white granular powder

Assay :≥99.0%

Density: 1.21g/cm3

Boiling Point: 284℃

Melting Point: 188℃

Flash Point: 189℃

Refractive Index: 1.5764 (20℃)

Water Solubility: 1.5 g/100 mL (20℃)

Stability: Stable, though may discolour in air. Incompatible with acids, chloroformates, strong oxidizing agents.

Storage Condition: Refrigerator

Vapor Pressure: 0.00202mmHg at 25℃

 

Safety Information:

RTECS: SJ5075000

Hazard Class: 6.1

Safety Statements: S28-S36/37-S60-S61

HS Code: 2922299090

Packing Group: III

WGK Germany: 3

RIDADR: UN 2512

Risk Statements: R20/22; R50/53; R68

Hazard Code: Xn

 

4-Aminophenol (or para-aminophenol or p-aminophenol) is the organic compound with the formula H2NC6H4OH. Typically available as a white powder, it is commonly used as a developer in black-and-white film, marketed under the name Rodinal.

Reflecting its slight hydrophilic character, the white powder is moderately soluble in alcohols and can be recrystallised from hot water. In the presence of base, it oxidizes readily. The N-methyl and N,N-dimethyl derivatives are of commercial value.

The compound is one of three isomeric aminophenols, the other two being 2-aminophenol and 3-aminophenol.

 

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