2,2,4-Trimethyl-1,2-dihydroquinoline

MOLECULAR FORMULA :

C12-H15-N

MOLECULAR WEIGHT :

173.28

WISWESSER LINE NOTATION :

T66 BM CHJ C1 C1 E1

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 :

2 gm/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity)

REFERENCE :

HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(1-3),183,1966

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1450 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity)

REFERENCE :

HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(1-3),183,1966

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

IPSTB3 International Polymer Science and Technology. (Rapra Technology Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year: 3,93,1976 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

12 gm/kg/30D-I

TOXIC EFFECTS :

Liver - liver function tests impaired Related to Chronic Data - death

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 31(2),25,1966

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

12500 ug/m3/4H/21W-I

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes in urine composition Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :

GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 9(8),32,1965

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

18200 mg/kg/13W-I

TOXIC EFFECTS :

Liver - changes in liver weight Endocrine - changes in thymus weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :

NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-456,1997 ** TUMORIGENIC DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

26 gm/kg/2Y-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

REFERENCE :

NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-456,1997 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2990 No. of Facilities: 237 (estimated) No. of Industries: 9 No. of Occupations: 9 No. of Employees: 2135 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2990 No. of Facilities: 190 (estimated) No. of Industries: 2 No. of Occupations: 8 No. of Employees: 8109 (estimated) No. of Female Employees: 1529 (estimated)