*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : ES3400000
CHEMICAL NAME : Butyraldehyde, 2-methyl-
CAS REGISTRY NUMBER : 96-17-3
BEILSTEIN REFERENCE NO. : 1633540
REFERENCE : 3-01-00-02813 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 11
MOLECULAR FORMULA : C5-H10-O
MOLECULAR WEIGHT : 86.15
WISWESSER LINE NOTATION : VHY2&1
COMPOUND DESCRIPTOR : Natural Product
Primary Irritant
SYNONYMS/TRADE NAMES :
* Acetaldehyde, ethylmethyl-
* alpha-Methylbutanal
* 2-Methylbutanal
* 2-Methyl-1-butanal
* alpha-Methylbutyraldehyde
* 2-Methylbutyraldehyde
* alpha-Methylbutyric aldehyde
* Methylethylacetaldehyde
*** 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 : 500 mg
REACTION SEVERITY : Mild
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury
Rd., Danbury, CT 06817) Volume(issue)/page/year: 10/5/1972
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Severe
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year:
20,739,1982
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration into the eye
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: -,271,1986
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 100%/24H
REACTION SEVERITY : Moderate
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year:
20,739,1982
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year:
20,739,1982
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 14000 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury
Rd., Danbury, CT 06817) Volume(issue)/page/year: 10/5/1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 5730 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury
Rd., Danbury, CT 06817) Volume(issue)/page/year: 10/5/1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : >20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year:
20,739,1982
*** 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 ***