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| CAS No.: | 2778-42-9 |
|---|---|
| Name: | 1,3-Bis(2-Isocyanato-2-Propyl)Benzene |
| Molecular Structure: | |
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| Formula: | C14H16 N2 O2 |
| Molecular Weight: | 244.293 |
| 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 |
| Density: | 1.01g/cm3 |
| Melting Point: | -10°C(lit.) |
| Boiling Point: | 309.9°Cat760mmHg |
| Flash Point: | 126.4°C |
| Hazard Symbols: |
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| Risk Codes: | 20/21/22-36/37/38-43 |
| 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. |
| PSA: | 58.86000 |
| LogP: | 2.82840 |
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Chemistry
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:
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.
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. |
Consensus Reports
Reported in EPA TSCA Inventory.
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