Isobutyraldehyde

Modify Date: 2025-08-20 11:51:56

Isobutyraldehyde structure	Common Name	Isobutyraldehyde
	CAS Number	78-84-2	Molecular Weight	72.106
	Density	0.8±0.1 g/cm3	Boiling Point	67.1±8.0 °C at 760 mmHg
	Molecular Formula	C₄H₈O	Melting Point	−65 °C(lit.)
	MSDS	Chinese USA	Flash Point	-18.9±0.0 °C
	Symbol	GHS02, GHS07	Signal Word	Danger

Name	isobutyraldehyde
Synonym	More Synonyms

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)

Isobutyraldehyde MSDS(Chinese)

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)

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

Precursor 8
CAS#:187737-37-7 propene CAS#:201230-82-2 carbon monoxide CAS#:78-83-1 isobutanol CAS#:79-30-1 2-Methylpropano...
CAS#:79-31-2 Isobutyric acid CAS#:95915-86-9 1,1-bis(butylsu... CAS#:6283-77-8 (1-acetyloxy-2-... CAS#:41632-89-7 1,1-dimethoxy-2...
DownStream 10
CAS#:107778-86-9 3,4-dimethyl-5-... CAS#:110871-43-7 4-methyl-N-(2-m... CAS#:1079-95-4 3,5-diacetyl-1,... CAS#:110680-09-6 ethyl 3-methylb...
CAS#:110680-06-3 ethyl (E)-3-met... CAS#:112375-41-4 methyl (Z)-7-me... CAS#:112375-53-8 methyl (E)-7-me... CAS#:104217-22-3 2-Isopropyl-5-p...
CAS#:111052-03-0 2-methyl-3-(2-m... CAS#:39099-24-6 2-methyl-N-prop...

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%

Comparison of Aroma-Active Volatiles in Oolong Tea Infusions Using GC-Olfactometry, GC-FPD, and GC-MS.

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...

Orientation to determine quality attributes of flavoring excipients containing volatile molecules.

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...

Alkaline comet assay in liver and stomach, and micronucleus assay in bone marrow, from rats treated with 2-acetylaminofluorene, azidothymidine, cisplatin, or isobutyraldehyde.

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...

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Isobutyraldehyde
Price: Check
Purity: 99.5%
Delivery: 10 Day
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Isobutyraldehyde
Price: ￥108.0/500ml
Purity: 99.0%
Delivery: Inquiry
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Isobutyraldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: isobutyraldehyde3
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Isobutyraldehyde

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