Product Name

  • Name

    1,3-Bis(2-Isocyanato-2-Propyl)Benzene

  • EINECS
  • CAS No. 2778-42-9
  • Density 1.01g/cm3
  • Solubility
  • Melting Point -10°C(lit.)
  • Formula C14H16 N2 O2
  • Boiling Point 309.9°Cat760mmHg
  • Molecular Weight 244.293
  • Flash Point 126.4°C
  • Transport Information
  • Appearance
  • Safety A poison by inhalation. Moderately toxic by skin contact. A skin and eye irritant. When heated to decomposition it emits toxic vapors of NOx.
  • Risk Codes 20/21/22-36/37/38-43
  • Molecular Structure Molecular Structure of 2778-42-9 (1,3-Bis(2-Isocyanato-2-Propyl)Benzene)
  • Hazard Symbols
  • Synonyms Isocyanicacid, m-phenylenediisopropylidene ester (7CI); Isocyanic acid, a,a,a',a'-tetramethyl-m-xylylene ester (8CI);1,3-Bis(1-isocyanato-1-methylethyl)benzene; 1,3-Bis(a-isocyanatoisopropyl)benzene; Tetramethyl-m-xylylenediisocyanate; m-Bis(1-isocyanato-1-methylethyl)benzene; m-TMXDI; a,a,a',a'-Tetramethyl-1,3-xylylenediisocyanate; a,a,a',a'-Tetramethyl-m-phenylenedimethylene diisocyanate; a,a,a',a'-Tetramethyl-m-xylylenediisocyanate
  • PSA 58.86000
  • LogP 2.82840

1,3-Bis(2-Isocyanato-2-Propyl)Benzene Chemical Properties

Chemistry informtion about  1,3-Bis(2-Isocyanato-2-Propyl)Benzene (2778-42-9) is:
IUPAC Name: 1,3-bis(2-isocyanatopropan-2-yl)benzene
Synonyms: 1,3-bis(1-isocyanato-1-methylethyl)-benzen ; 1,3-bis(alpha-isocyanatoisopropyl)benzene ; alpha,alpha,alpha',alpha'-tetramethyl-m-phenylenedimethylenediisocyanate ; alpha,alpha,alpha',alpha'-tetramethyl-m-xylylenediisocyanat ; Benzene, 1,3-bis(1-isocyanato-1-methylethyl)- ; benzene,1,3-bis(1-isocyanato-1-methylethyl-;isocyanicacid,alpha,alpha,alpha',alpha'-tetramethyl-m-xylyleneester;isocyanicacid,mphenylenediisopropylideneester
MF: C14H16N2O2
MW: 244.29
EINECS: 220-474-4 
Density: 1.01 g/cm3
Flash Point: 126.4 °C
Boiling Point: 309.9 °C at 760 mmHg
Vapour Pressure: 0.000619 mmHg at 25°C 
Enthalpy of Vaporization: 55.07 kJ/mol
Refractive Index: n20/D 1.511(lit.)
Following is the molecular structure of  1,3-Bis(2-Isocyanato-2-Propyl)Benzene (2778-42-9) is:

1,3-Bis(2-Isocyanato-2-Propyl)Benzene Uses

 1,3-Bis(2-Isocyanato-2-Propyl)Benzene (2778-42-9) is used in the manufacture of plastics. Based on the most recent data available, it is not believed to be in commerce in Canada.

1,3-Bis(2-Isocyanato-2-Propyl)Benzene Toxicity Data With Reference

1.    

skn-rbt 500 mg MOD

     JACTDZ    Journal of the American College of Toxicology. 1 (1990),45.
2.    

eye-rbt 100 mg MLD

     JACTDZ    Journal of the American College of Toxicology. 1 (1990),45.
3.    

orl-rat LD50:4600 mg/kg

     TSCAT*    Office of Toxic Substances Report. (U.S. Environmental Protection Agency, Office of Toxics Substances, 401M Street SW, Washington, DC 20460) OTS0515232 .
4.    

skn-rbt LDLo:2 g/kg

     JACTDZ    Journal of the American College of Toxicology. 1 (1990),45.
5.    

ihl-gpg LC50:240 mg/m3/1H

     JACTDZ    Journal of the American College of Toxicology. 1 (1990),45.

1,3-Bis(2-Isocyanato-2-Propyl)Benzene Consensus Reports

Reported in EPA TSCA Inventory.

1,3-Bis(2-Isocyanato-2-Propyl)Benzene Safety Profile

A poison by inhalation. Moderately toxic by skin contact. A skin and eye irritant. When heated to decomposition it emits toxic vapors of NOx.
Hazard Codes: 
Xn: Harmful
Risk Statements: 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
R43: May cause sensitization by skin contact.
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: 2206
WGK Germany: 3
RTECS: CY8480000
HazardClass: 6.1(b)
PackingGroup: III

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