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4-AminophenolCAS#123-30-8

4-Aminophenol CAS#123-30-8 Promotion Season Now in Store and Free Sample for Testing with Factory Price

Chemical Name：4-Aminophenol

CAS No.123-30-8

Molecular Formula：C6H7NO

Molecular weight:109.13

Sample: Available

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Product Details

Products Description of 4-AminophenolCAS#123-30-8

Aminophenol is also known as hydroxyaniline and aminohydroxybenzene. There are three isomers, namely o-aminophenol, m-aminophenol and p-aminophenol (4-aminophenol). In 1874, Baeyer et al. first prepared p-aminophenol. Due to the different relative positions of the hydroxyl group and the amino group, the three are also different in terms of physical and chemical properties. This product is weakly alkaline, weakly acidic and strongly reducing. Because it has both amino and phenol groups, it has the common properties of both. It is very unstable in air and sunlight, especially sensitive to oxygen in humid air, especially the ortho and para positions are more easily oxidized to deepen the color, mainly to generate aminophenoxazine derivatives after oxidation. The main use of aminophenol is as a dye intermediate and photographic developer. It can be used to manufacture acid dyes, direct dyes, sulfur dyes, azo dyes, mordant dyes and fur dyes. m-aminophenol and p-aminophenol are raw materials for medicines, herbicides, fungicides, insecticides and thermosensitive pigments. O-aminophenol is also used as an inhibitor of metal alkaline corrosion, hair dye, rubber anti-aging agent, antioxidant, stabilizer, petroleum additive, catalyst for organic reactions, chemical reagent (m-aminophenol is a gold and silver assay reagent), intermediate for organic synthesis, etc.

4-Aminophenol Chemical Properties

Melting point	188 °C
Boiling point	284 °C
density	1.29
vapor pressure	0.4 hPa (110 °C)
refractive index	1.5444 (estimate)
Fp	189 °C
storage temp.	2-8°C
solubility	water: slightly soluble
form	Crystalline Powder
pka	5.48, 10.30(at 25℃)
color	White to cream
Water Solubility	1.5 g/100 mL (20 ºC)
Sensitive	Air & Light Sensitive
Decomposition	284 °C
Merck	14,462
BRN	385836
Stability:	Stable, though may discolour in air. Incompatible with acids, chloroformates, strong oxidizing agents.
InChIKey	PLIKAWJENQZMHA-UHFFFAOYSA-N
LogP	-0.09-0.04 at 25℃
CAS DataBase Reference	123-30-8(CAS DataBase Reference)
NIST Chemistry Reference	Phenol, 4-amino-(123-30-8)
EPA Substance Registry System	p-Aminophenol (123-30-8)

Safety Information

Hazard Codes	Xn,N
Risk Statements	20/22-50/53-68-40-R68-R50/53-R20/22
Safety Statements	28-36/37-60-61-28A-S61-S60-S36/37-S28A
RIDADR	UN 2512 6.1/PG 3
WGK Germany	3
RTECS	SJ5075000
F	8
Autoignition Temperature	>250 °C
TSCA	Yes
HazardClass	6.1
PackingGroup	III
HS Code	28402090
HS Code	29222900
Hazardous Substances Data	123-30-8(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 375 mg/kg LD50 dermal Rabbit > 10000 mg/kg

Product Application of C.I. Acid Black 194 CAS#61931-02-0

Neutral Black M-SRL is used for dyeing wool, nylon, silk and wool blended fabrics, and can also be directly printed on wool, nylon and silk fabrics. It has good dyeing depth for dyeing nylon.

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