*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : UP7875000
CHEMICAL NAME : 1,4-Pyran, 2,3-dihydro-2,5-dimethyl-2-formyl-
CAS REGISTRY NUMBER : 1920-21-4
BEILSTEIN REFERENCE NO. : 0114546
REFERENCE : 5-17-09-00170 (Beilstein Handbook Reference)
LAST UPDATED : 199806
DATA ITEMS CITED : 3
MOLECULAR FORMULA : C8-H12-O2
MOLECULAR WEIGHT : 140.20
WISWESSER LINE NOTATION : T6O BUTJ C1 FVH F1
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* 2,3-Dihydro-2,5-dimethyl-2-formyl-1,4-pyran
* 3,4-Dihydro-2,5-dimethyl-2H-pyran-2-carboxaldehyde
* Methacrolein dimer
* Methacrylaldehyde dimer
* 2H-Pyran-2-carboxaldehyde, 3,4-dihydro-2,5-dimethyl-
*** 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 mg/24H
REACTION SEVERITY : Mild
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 mg/24H
REACTION SEVERITY : Moderate
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,803,1986
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2460 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
(Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU.
Volume(issue)/page/year: 10,61,1954
*** END OF RECORD ***