*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UP7900000
CHEMICAL NAME           : 2H-Pyran, 3,4-dihydro-2-methoxy-
CAS REGISTRY NUMBER     : 4454-05-1
BEILSTEIN REFERENCE NO. : 0107274
REFERENCE               : 5-17-03-00196 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C6-H10-O2
MOLECULAR WEIGHT        : 114.16
COMPOUND DESCRIPTOR     : Drug
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * 3,4-Dihydro-2-methoxy-2H-pyran
   * MDP
   * 2-Methoxy-3,4-dihydro-2H-pyran
 
                       *** 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       : Moderate
REFERENCE :
   VHTODE Veterinary and Human Toxicology.  (American College of Veterinary and
   Comparative Toxicology, Publication Office, Comparative Toxicology,
   Manhattan, KS 66506)  V.19-    1977-  Volume(issue)/page/year: 30,545,1988
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   VHTODE Veterinary and Human Toxicology.  (American College of Veterinary and
   Comparative Toxicology, Publication Office, Comparative Toxicology,
   Manhattan, KS 66506)  V.19-    1977-  Volume(issue)/page/year: 30,545,1988
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1410 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - altered sleep time (including change in righting reflex)
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   VHTODE Veterinary and Human Toxicology.  (American College of Veterinary and
   Comparative Toxicology, Publication Office, Comparative Toxicology,
   Manhattan, KS 66506)  V.19-    1977-  Volume(issue)/page/year: 30,545,1988
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8044 ppm/1H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - altered sleep time (including change in righting reflex)
   Lungs, Thorax, or Respiration - pleural effusion
REFERENCE :
   VHTODE Veterinary and Human Toxicology.  (American College of Veterinary and
   Comparative Toxicology, Publication Office, Comparative Toxicology,
   Manhattan, KS 66506)  V.19-    1977-  Volume(issue)/page/year: 30,545,1988
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 4920 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Lungs, Thorax, or Respiration - dyspnea
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   VHTODE Veterinary and Human Toxicology.  (American College of Veterinary and
   Comparative Toxicology, Publication Office, Comparative Toxicology,
   Manhattan, KS 66506)  V.19-    1977-  Volume(issue)/page/year: 30,545,1988

                          *** 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 ***