1,4-bis(2-isocyanatopropan-2-yl)benzene
Names
[ CAS No. ]:
2778-41-8
[ Name ]:
1,4-bis(2-isocyanatopropan-2-yl)benzene
[Synonym ]:
EINECS 220-473-9
p-Tetramethylxylylene diisocyanate
Chemical & Physical Properties
[ Density]:
1.01g/cm3
[ Boiling Point ]:
330.5ºC at 760mmHg
[ Molecular Formula ]:
C14H16N2O2
[ Molecular Weight ]:
244.28900
[ Flash Point ]:
135.5ºC
[ Exact Mass ]:
244.12100
[ PSA ]:
58.86000
[ LogP ]:
2.82840
[ Vapour Pressure ]:
0.000165mmHg at 25°C
[ Index of Refraction ]:
1.515
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CY8490000
- CHEMICAL NAME :
- Benzene, 1,4-bis(1-isocyanato-1-methylethyl)-
- CAS REGISTRY NUMBER :
- 2778-41-8
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 6
- MOLECULAR FORMULA :
- C14-H16-N2-O2
- MOLECULAR WEIGHT :
- 244.32
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,160,1992 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - incontinence
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,160,1992
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 220 mg/m3/4H
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - effect, not otherwise specified Lungs, Thorax, or Respiration - acute pulmonary edema Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,160,1992
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,160,1992
Safety Information
[ HS Code ]:
2929109000
Customs
[ HS Code ]: 2929109000
[ Summary ]:
2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%