*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : UE2285000
CHEMICAL NAME : Propionaldehyde, 3-(methylthio)-
CAS REGISTRY NUMBER : 3268-49-3
BEILSTEIN REFERENCE NO. : 1739289
REFERENCE : 4-01-00-03974 (Beilstein Handbook Reference)
LAST UPDATED : 199712
DATA ITEMS CITED : 10
MOLECULAR FORMULA : C4-H8-O-S
MOLECULAR WEIGHT : 104.18
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* Methional
* beta-(Methylmercapto)propionaldehyde
* 3-(Methylmercapto)propionaldehyde
* Methylmercaptopropionic aldehyde
* 3-(Methylthio)propanal
* beta-(Methylthio)propionaldehyde
* 3-(Methylthio)propionaldehyde
* Propanal, 3-(methylthio)-
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 uL/24H
REACTION SEVERITY : Severe
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0546239
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 700 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - muscle weakness
Gastrointestinal - alteration in gastric secretion
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0546239
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 5820 mg/m3/4H
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: 49(1),85,1984
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1620 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: 49(1),85,1984
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 5400 mg/m3/2H
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: 49(1),85,1984
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2500 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - excitement
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: OTS0534366
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 83834
No. of Facilities: 21 (estimated)
No. of Industries: 1
No. of Occupations: 3
No. of Employees: 207 (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 ***