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26375-23-5

26375-23-5结构式
26375-23-5结构式

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英文名 adipic acid, butane-1,4-diol, 1-isocyanato-4-[(4-isocyanatophenyl )methyl]benzene
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

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)