CHEMICAL IDENTIFICATION

RTECS NUMBER :

YT5300000

CHEMICAL NAME :

Urea, 1,1'-isobutylidenedi-

CAS REGISTRY NUMBER :

6104-30-9

LAST UPDATED :

199701

DATA ITEMS CITED :

4

MOLECULAR FORMULA :

C6-H14-N4-O2

MOLECULAR WEIGHT :

174.24

WISWESSER LINE NOTATION :

ZVMX2&1&MVZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

64 gm/kg/20W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - bronchiogenic carcinoma Skin and Appendages - tumors

REFERENCE :

VPITAR Voprosy Pitaniya. Problems of Nutrition. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1932-41; V.11- 1952- Volume(issue)/page/year: 37(2),72,1979

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

32 gm/kg/20W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumor types after systemic administration not seen spontaneously

REFERENCE :

VPITAR Voprosy Pitaniya. Problems of Nutrition. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-10, 1932-41; V.11- 1952- Volume(issue)/page/year: 37(2),72,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4124 No. of Facilities: 48 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1252 (estimated)