Isobutyraldehyde
Suppliers
Names
[ CAS No. ]:
78-84-2
[ Name ]:
Isobutyraldehyde
[Synonym ]:
Isobutaldehyde
isobutyral
EINECS 201-149-6
Isobutyraldehyde
iso-C3H7CHO
α-Methylpropionaldehyde
FEMA 2220
1-keto-2-methylpropane
2-Methylpropanal
isobutyric
2-methylpropan-1-al
2-methyl-1-propanal
iso-Butanal
MFCD00006980
methylpropanal
valinealdehyde
2-METHYL-PROPANAL
Propanal, 2-methyl-
isobutyric aldehyde
2-methyl-propionaldehyde
Chemical & Physical Properties
[ Density]:
0.8±0.1 g/cm3
[ Boiling Point ]:
67.1±8.0 °C at 760 mmHg
[ Melting Point ]:
−65 °C(lit.)
[ Molecular Formula ]:
C4H8O
[ Molecular Weight ]:
72.106
[ Flash Point ]:
-18.9±0.0 °C
[ Exact Mass ]:
72.057518
[ PSA ]:
17.07000
[ LogP ]:
0.72
[ Vapour density ]:
2.5 (vs air)
[ Vapour Pressure ]:
147.4±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.367
[ Stability ]:
Stable. Refrigerate. Highly flammable. Incompatible with strong oxidizing agents, strong bases, strong acids, strong reducing agents.
[ Water Solubility ]:
75 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- NQ4025000
- CHEMICAL NAME :
- Isobutyraldehyde
- CAS REGISTRY NUMBER :
- 78-84-2
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C4-H8-O
- MOLECULAR WEIGHT :
- 72.12
- WISWESSER LINE NOTATION :
- VHY1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 11/3/1971 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 960 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - other changes Gastrointestinal - necrotic changes Blood - hemorrhage
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(5),104,1972
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 8000 ppm/4H
- 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
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 39500 mg/m3/2H
- TOXIC EFFECTS :
- Behavioral - excitement Sense Organs and Special Senses (Eye) - effect, not otherwise specified Lungs, Thorax, or Respiration - pleural thickening
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(5),104,1972
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 7130 uL/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 5 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 - 84782 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 705 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84782 No. of Facilities: 32 (estimated) No. of Industries: 3 No. of Occupations: 2 No. of Employees: 4114 (estimated) No. of Female Employees: 655 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H319
[ Precautionary Statements ]:
P210-P305 + P351 + P338
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
F:Flammable
[ Risk Phrases ]:
R11;R22
[ Safety Phrases ]:
S16-S36/37-S9-S33-S29
[ RIDADR ]:
UN 2045 3/PG 2
[ WGK Germany ]:
1
[ RTECS ]:
NQ4025000
[ Packaging Group ]:
II
[ Hazard Class ]:
3
[ HS Code ]:
2912190090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2912190090
[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%
Articles
J. Agric. Food Chem. 63 , 7499-510, (2015)
The aroma profile of oolong tea infusions (Dongdingwulong, DDWL; Tieguanyin, TGY; Dahongpao, DHP) were investigated in this study. Gas chromatography-olfactometry (GC-O) with the method of aroma inten...
J. Pharm. Biomed. Anal. 110 , 20-6, (2015)
Pharmaceutical excipients containing volatile odor-active molecules can be used in pharmaceutical development to increase patients' compliance. However, capturing the molecular composition of these od...
Mutat. Res. Genet. Toxicol. Environ. Mutagen. 786-788 , 77-86, (2015)
As part of the Japanese Center for the Validation of Alternative Methods (JaCVAM) initiative international validation study of the in vivo rat alkaline comet assay (comet assay), we examined the abili...