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4'-Methylacetanilide
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Name

4'-Methylacetanilide

 EINECS 203-155-4
CAS No. 103-89-9 Density 1.075 g/cm3
PSA 29.10000 LogP 2.02640
Solubility 1 g/L (25 °C) in water Melting Point 149-151 °C(lit.)
Formula C9H11NO Boiling Point 307.765 °C at 760 mmHg
Molecular Weight 149.192 Flash Point 177.74 °C
Transport Information N/A Appearance Beige to light brown crystals or cryst. powder
Safety 26-36 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 103-89-9 (p-Acetotoluidide) Hazard Symbols HarmfulXn
Synonyms

p-Acetotoluidide(7CI,8CI);1-Acetamido-4-methylbenzene;4-(Acetylamino)toluene;4-Acetamidotoluene;4-Acetotoluide;N-(4-Methylphenyl)acetamide;N-(p-Methylphenyl)acetamide;N-Acetyl-4-methylaniline;N-Acetyl-p-toluidine;N-p-Tolylacetamide;NSC 7644;p-Acetamidotoluene;p-Acetotoluide;p-Acetylaminotoluene;p-Methylacetanilide;

Article Data 473

4'-Methylacetanilide Chemical Properties

The Molecular formula of p-ACETOTOLUIDIDE (103-89-9):C9H11NO 
The Molecular Weight of p-ACETOTOLUIDIDE (103-89-9):149.19
The Molecular Structure of p-ACETOTOLUIDIDE (103-89-9) is:
Density:1.074 g/cm3
Melting point:149-151 °C(lit.)
Boiling point:307.8 °C at 760 mmHg
Flash point:177.7 °C     
Solubility in water:1 g/L (25 °C )
Merck:14,74
BRN:607036
Index of Refraction:1.567 
Molar Refractivity:45.34 cm3  
Molar Volume:138.7 cm3
Polarizability:17.97 10-24cm3
Surface Tension:39.8 dyne/cm
Enthalpy of Vaporization:54.84 kJ/mo  
Vapour Pressure:0.00071 mmHg at 25°C 
Appearance:beige to light brown crystals or cryst powder
IUPAC Name: N-(4-methylphenyl)acetamide
Synonyms: N-ACETYL-P-TOLUIDINE ; N-P-TOLYLACETAMIDE ; P-ACETOTOLUIDIDE ; P-ACETOTOLUIDINE ; P-TOLYLACETAMIDE ; P-METHYLACETANILDE ; ACETYL-P-TOLUIDINE ; N-(4-METHYLPHENYL)ACETAMIDE
Reactivity Profile: 4'-Methylacetanilide is an amide. Flammable gases are formed by the reaction of organic amides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. 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).

 

4'-Methylacetanilide Uses

It's used in organic synthesis intermediate.

4'-Methylacetanilide Toxicity Data With Reference

1.   

orl-rat LD50:2640 mg/kg

   MarJV#    Personal Communication from Josef V. Marhold, VUOS, 539-18, Pardubice, Czechoslovakia, to the Editor of RTECS, Cincinnati, OH, March 29, 1977 29MAR77 .
2.   

orl-mus LD50:980 mg/kg

   TXAPA9    Toxicology and Applied Pharmacology. 19 (1971),20.

4'-Methylacetanilide Consensus Reports

Reported in EPA TSCA Inventory.

4'-Methylacetanilide Safety Profile

Moderately toxic by ingestion. See also ACETANILIDE. Combustible. When heated to decomposition it emits toxic fumes of NOx. To fight fire, use water, foam, CO2, dry chemical.
Hazard Codes:Xn
Xn:Harmful
Risk Statements
R22:Harmful if swallowed.
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 .
WGK Germany:3
RTECS:AN2930000
HS Code:29242995
 
 

4'-Methylacetanilide Specification

Conditions to Avoid: Incompatible materials. 
Chemical Stability: Stable under normal temperatures and pressures.
Incompatibilities with Other Materials Strong oxidizing agents. 
Hazardous Decomposition Products Carbon monoxide, oxides of nitrogen, carbon dioxide. 
Hazardous Polymerization Has not been reported. 
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