*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : QE5775000
CHEMICAL NAME : Morpholine, 4-methyl-
CAS REGISTRY NUMBER : 109-02-4
LAST UPDATED : 199710
DATA ITEMS CITED : 16
MOLECULAR FORMULA : C5-H11-N-O
MOLECULAR WEIGHT : 101.17
WISWESSER LINE NOTATION : T6N DOTJ A1
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* 4-Methylmorfolin
* N-Methylmorpholine
* 4-Methylmorpholine
* Morpholine, N-methyl-
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Open irritation test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 460 mg
REACTION SEVERITY : Mild
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury
Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/30/1959
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 920 ug
REACTION SEVERITY : Severe
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury
Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/30/1959
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 20 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,888,1986
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1960 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
GKNT, 1982 Volume(issue)/page/year: -,85,1982
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2000 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,60,1949
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1970 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
Toxicology of New Industrial Chemical Substances. For English translation,
see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961-
Volume(issue)/page/year: 15,116,1979
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 25200 mg/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
Toxicology of New Industrial Chemical Substances. For English translation,
see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961-
Volume(issue)/page/year: 15,116,1979
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 1350 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,60,1949
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 1917 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 39(4),86,1974
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-RUSSIA:STEL 5 mg/m3;Skin JAN 1993
OEL-SWEDEN:TWA 5 ppm (20 mg/m3);STEL 10 ppm (40 mg/m3);Skin JAN 1993
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - M0796
No. of Facilities: 123 (estimated)
No. of Industries: 6
No. of Occupations: 8
No. of Employees: 1453 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - M0796
No. of Facilities: 212 (estimated)
No. of Industries: 6
No. of Occupations: 6
No. of Employees: 3141 (estimated)
No. of Female Employees: 125 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***