adipic acid, butane-1,4-diol, 1-isocyanato-4-[(4-isocyanatophenyl )methyl]benzene
名称
[ CAS 号 ]:
26375-23-5
[ 英文名 ]:
adipic acid, butane-1,4-diol, 1-isocyanato-4-[(4-isocyanatophenyl )methyl]benzene
物理化学性质
[ 沸点 ]:
373.4ºC at 760 mmHg
[ 分子式 ]:
C25H30N2O8
[ 分子量 ]:
486.51400
[ 精确质量 ]:
486.20000
[ PSA ]:
173.92000
[ LogP ]:
3.67920
毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TR8010000
- CHEMICAL NAME :
- Polyurethane Y-218
- CAS REGISTRY NUMBER :
- 26375-23-5
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Implant
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 6750 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application
- REFERENCE :
- CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 35,1591,1975 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - E0492 No. of Facilities: 148 (estimated) No. of Industries: 4 No. of Occupations: 11 No. of Employees: 6214 (estimated) No. of Female Employees: 1301 (estimated)
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