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621-42-1

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Identification

Name
3-ACETAMIDOPHENOL
CAS
621-42-1
Synonyms
3-ACETAMIDOPHENOL
3-ACETAMINOPHENOL
3'-HYDROXYACETANILIDE
3-HYDROXYACETANILIDE
ACETAMIDOPHENOL-3
M-ACETAMIDOPHENOL
M-ACETAMINOPHENOL
M-HYDROXYACETANILIDE
N-(3-HYDROXYPHENYL)ACETAMIDE
3-(Acetylamino)-1-hydroxybenzene
3-(Acetylamino)phenol
3’-hydroxy-acetanilid
3-Hydroxy-4-trimethylammoniobutanoate3'-hydroxyacetanilide
Acetamide, N-(3-hydroxyphenyl)-
Acetanilide, 3'-hydroxy-
BS 479
BS 749
bs479
m-(Acetylamino)phenol
metacetamol
EINECS(EC#)
210-687-0
Molecular Formula
C8H9NO2
MDL Number
MFCD00002263
Molecular Weight
151.16
MOL File
621-42-1.mol

Chemical Properties

Appearance
off-white to tan or light grey crystals,
mp 
145-148 °C(lit.)

storage temp. 
2-8°C
BRN 
907998
CAS DataBase Reference
621-42-1(CAS DataBase Reference)

Safety Data

Hazard Codes 
Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
RIDADR 
2811
WGK Germany 
2

RTECS 
AE4100000


1-8
Hazard Note 
Irritant
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29242990

Raw materials And Preparation Products

Preparation Products
3-Ethoxyaniline

Hazard Information

General Description
Light gray solid.
Reactivity Profile
Phenols do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has Ka = 1.3 x 10^[-10]). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid. Nitrated phenols often explode when heated. Many of them form metal salts that tend toward detonation by rather mild shock. Flammable gases are formed by the reaction of organic amides with strong reducing agents. Amides are very weak bases (weaker than water). Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).
Air & Water Reactions
Water insoluble.
Fire Hazard
Flash point data for this compound are not available. N-ACETYL-M-AMINOPHENOL is probably combustible.

Spectrum Detail

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