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N,N,N',N'-Tetramethyl-1,4-phenylenediamine
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Name

N,N,N',N'-Tetramethyl-1,4-phenylenediamine

 EINECS 202-831-6
CAS No. 100-22-1 Density 0.993 g/cm3
PSA 6.48000 LogP 1.81860
Solubility slightly in cold, more in hot water Melting Point 49-51 °C(lit.)
Formula C10H16N2 Boiling Point 260.572 °C at 760 mmHg
Molecular Weight 164.25 Flash Point 104.895 °C
Transport Information UN 2811 6.1/PG 3 Appearance purple to brown crystalline powder
Safety 28-28A-36-26-22 Risk Codes 20/21/22-40-36/37/38
Molecular Structure Molecular Structure of 100-22-1 (N,N,N',N'-Tetramethyl-1,4-phenylenediamine) Hazard Symbols HarmfulXn
Synonyms

1,4-Benzenediamine,N,N,N',N'-tetramethyl- (9CI);p-Phenylenediamine, N,N,N',N'-tetramethyl-(6CI,8CI);1,4-Bis(dimethylamino)benzene;4-(Dimethylamino)-N,N-dimethylaniline;N,N,N',N'-Tetramethyl-1,4-benzenediamine;N,N,N',N'-Tetramethyl-1,4-diaminobenzene;N,N,N',N'-Tetramethyl-p-benzenediamine;N,N,N',N'-Tetramethyl-p-phenylenediamine;N,N-Dimethyl-p-(dimethylamino)aniline;Reagents, Wurster's;TMPD (amine);TMPPD;Tetramethyl-p-phenylenediamine;p-Bis(dimethylamino)benzene;

Article Data 88

N,N,N',N'-Tetramethyl-1,4-phenylenediamine Chemical Properties

Molecular Formula: C10H16N2
Molecular Weight: 164.25
EINECS: 202-831-6
Melting point: 48-52 º  C
Density: 0.992 g/cm3
Flash point >230 °F
Index of Refraction: 1.577 
Storage temp: Refrigerator (+4°C)
Enthalpy of Vaporization: 49.83 kJ/mol 
Boiling Point: 260.6 °C at 760 mmHg
Vapour Pressure: 0.0121 mmHg at 25°C
Appearance: off-white to gray powder
Water solubility: slightly in cold, more in hot water 
Stability: Stable, but may be air or light sensitive. Combustible. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents.
Synonyms: N,N,N',N'-Tetramethyl-1,4-phenylenediamine ; N,N,N',N'-Tetramethyl-p-phenylenediamine ; 1,4-Bis(dimethylamino)benzene ; 1,4-Bis(dimethylamino)-benzen ; 4-Benzenediamine,N,N,N',N'-tetramethyl-1 ; Benzene, 1,4-Bis(dimethylamino)- ; N,N,N',N'-Tetramethyl-1,4-Benzenediamine ; N,N,N',N'-Tetramethyl-p-fenylendiamin
Following is the molecular structure of P-Bis(dimethylamino)benzen (100-22-1):

N,N,N',N'-Tetramethyl-1,4-phenylenediamine Production

Reactivity Profil: N,N,N',N'-Tetramethyl-1,4-phenylenediamine(100-22-1) can burn in air to give toxic NOx gases . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

N,N,N',N'-Tetramethyl-1,4-phenylenediamine Toxicity Data With Reference

1.    

mmo-sat 333 µg/plate

     EMMUEG    Environmental and Molecular Mutagenesis. 11 (Suppl 12)(1988),1.
2.    

cyt-ham:lng 10 mg/L

     MUREAV    Mutation Research. 241 (1990),175.
3.    

orl-rat LDLo:500 mg/kg

     JPETAB    Journal of Pharmacology and Experimental Therapeutics. 90 (1947),260.
4.    

ihl-mus LCLo:780 mg/m3/10M

     NDRC**    National Defense Research Committee, Office of Scientific Research and Development, Progress Report NDCrc-132,Dec,42 .
5.    

orl-qal LD50:42 mg/kg

     EESADV    Ecotoxicology and Environmental Safety. 6 (1982),149.
6.    

orl-bwd LD50:23,700 µg/kg

     AECTCV    Archives of Environmental Contamination and Toxicology. 12 (1983),355.

N,N,N',N'-Tetramethyl-1,4-phenylenediamine Consensus Reports

Reported in EPA TSCA Inventory.

N,N,N',N'-Tetramethyl-1,4-phenylenediamine Safety Profile

Poison by ingestion. Moderately toxic by inhalation. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Safety Information of P-Bis(dimethylamino)benzen (100-22-1):
Hazard Codes: Xn
Xn: Harmful
Risk Statements: 20/21/22-40-36/37/38
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
40: Limited evidence of a carcinogenic effect 
36/37/38: Irritating to eyes, respiratory system and skin 
Safety Statements: 28-28A-36-26-22
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 
36: Wear suitable protective clothing 
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 22: Do not breathe dust 
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 1
RTECS: ST4200000
HazardClass: 6.1(a)
PackingGroup: II

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