4-Isopropylbiphenyl
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Names
[ CAS No. ]:
25640-78-2
[ Name ]:
4-Isopropylbiphenyl
[Synonym ]:
4-(propan-2-yl)biphenyl
4-Isopropylbiphenyl
1,1'-Biphenyl, 4-(1-methylethyl)-
4-(1-methylethyl)biphenyl
Chemical & Physical Properties
[ Density]:
1.0±0.1 g/cm3
[ Boiling Point ]:
293.9±10.0 °C at 760 mmHg
[ Molecular Formula ]:
C15H16
[ Molecular Weight ]:
196.288
[ Flash Point ]:
133.3±9.7 °C
[ Exact Mass ]:
196.125198
[ LogP ]:
5.32
[ Vapour Pressure ]:
0.0±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.548
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DV5410000
- CHEMICAL NAME :
- Biphenyl, isopropyl-
- CAS REGISTRY NUMBER :
- 25640-78-2
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 9
- MOLECULAR FORMULA :
- C15-H16
- MOLECULAR WEIGHT :
- 196.31
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4570 mg/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - tremor Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2610 mg/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - tremor Behavioral - ataxia
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 4 gm/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - tremor Behavioral - ataxia
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 14400 mg/kg/16W-C
- TOXIC EFFECTS :
- Liver - changes in liver weight Kidney, Ureter, Bladder - other changes in urine composition Kidney, Ureter, Bladder - changes in bladder weight
MUTATION DATA
- TEST SYSTEM :
- Rodent - rat
- DOSE/DURATION :
- 2 gm/kg
- REFERENCE :
- CHYCDW Zhonghua Yufangyixue Zazhi. Chinese Journal of Preventive Medicine. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) Beginning history not known. Volume(issue)/page/year: 19,132,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6133 No. of Facilities: 47 (estimated) No. of Industries: 2 No. of Occupations: 7 No. of Employees: 942 (estimated) No. of Female Employees: 44 (estimated)
Safety Information
[ HS Code ]:
2902909090
Customs
[ HS Code ]: 2902909090
[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%