Methylpropenal

Modify Date: 2025-08-20 19:19:55

Methylpropenal structure	Common Name	Methylpropenal
	CAS Number	78-85-3	Molecular Weight	70.090
	Density	0.8±0.1 g/cm3	Boiling Point	68.0±0.0 °C at 760 mmHg
	Molecular Formula	C₄H₆O	Melting Point	-81 °C
	MSDS	Chinese USA	Flash Point	-15.0±0.0 °C
	Symbol	GHS02, GHS05, GHS06	Signal Word	Danger

Name	Methacrolein
Synonym	More Synonyms

Density	0.8±0.1 g/cm3
Boiling Point	68.0±0.0 °C at 760 mmHg
Melting Point	-81 °C
Molecular Formula	C₄H₆O
Molecular Weight	70.090
Flash Point	-15.0±0.0 °C
Exact Mass	70.041862
PSA	17.07000
LogP	0.54
Vapour density	2.4 (vs air)
Vapour Pressure	142.3±0.1 mmHg at 25°C
Index of Refraction	1.385
Stability	Stable. Incompatible with strong bases, strong oxidising agents, strong reducing agents. Light and air-sensitive. Hazardous polymerisation may occur.
Water Solubility	6 g/100 mL (20 ºC)

Methylpropenal MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OZ2625000

CHEMICAL NAME :: Methacrylaldehyde

CAS REGISTRY NUMBER :: 78-85-3

BEILSTEIN REFERENCE NO. :: 1209258

LAST UPDATED :: 199701

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C4-H6-O

MOLECULAR WEIGHT :: 70.10

WISWESSER LINE NOTATION :: VHY1&U1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 140 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 125 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 430 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 93,305,1982

Symbol	GHS02, GHS05, GHS06
Signal Word	Danger
Hazard Statements	H225-H301 + H311-H314
Precautionary Statements	P210-P280-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	F:Flammable;T:Toxic;
Risk Phrases	R11;R24/25;R26;R34
Safety Phrases	S16-S26-S36/37/39-S45-S28A
RIDADR	UN 2396 3/PG 2
WGK Germany	3
RTECS	OZ2625000
Packaging Group	II
Hazard Class	3

Precursor 10
CAS#:115-11-7 Isobutylene CAS#:187737-37-7 propene CAS#:201230-82-2 carbon monoxide CAS#:50-00-0 Formaldehyde
CAS#:123-38-6 Propionaldehyde CAS#:54509-73-8 ethene CAS#:67-64-1 Acetone CAS#:75-65-0 tert-Butanol
CAS#:75-28-5 Isobutane Resid... CAS#:79-41-4 Methacrylic acid
DownStream 10
CAS#:10476-95-6 2-Propene-1,1-d... CAS#:40702-26-9 1,3,4-Trimethyl... CAS#:34265-58-2 ETHYL 2-HYDROXY... CAS#:585-07-9 tert-Butyl meth...
CAS#:35000-15-8 Dimethallylamine CAS#:933-44-8 1,4-dimethylcyc... CAS#:142457-17-8 1,3-dimethylcyc... CAS#:56956-63-9 1α,4,5β-trimeth...
CAS#:141340-23-0 2,3,5-trimethyl... CAS#:920-46-7 Methacryloyl ch...

Formation of dimethylketene and methacrolein by reaction of the CH radical with acetone.

Phys. Chem. Chem. Phys. 15(11) , 4049-58, (2013)

The reaction of the methylidyne radical (CH) with acetone ((CH(3))(2)C[double bond, length as m-dash]O) is studied at room temperature and at a pressure of 4 Torr (533.3 Pa) using a multiplexed photoi...

Mechanism of the hydroxyl radical oxidation of methacryloyl peroxynitrate (MPAN) and its pathway toward secondary organic aerosol formation in the atmosphere.

Phys. Chem. Chem. Phys. 17 , 17914-26, (2015)

Methacryloyl peroxynitrate (MPAN), the acyl peroxynitrate of methacrolein, has been suggested to be an important secondary organic aerosol (SOA) precursor from isoprene oxidation. Yet, the mechanism b...

Analysis of volatile organic compounds liberated and metabolised by human umbilical vein endothelial cells (HUVEC) in vitro.

Cell Biochem. Biophys. 71(1) , 323-9, (2015)

Gas chromatography with mass spectrometric detection combined with head-space needle trap extraction as the pre-concentration technique was applied to identify and quantify volatile organic compounds ...

α-Methylacrolein

Metharolein

2-methyl propenal

2-methylprop-2-enal

METHACROLEIN

Methylacrolein

Methacraldehyde

Methakrylaldehyd

2-Methyl-propenal

Methacrylaldehyde

2-Methylacrolein

EINECS 201-150-1

2-Propenal, 2-methyl-

2-methyl-2-propenal

2-Methylacrylaldehyde

2-methyl-acrolei

Isobutenal

MFCD00006974

2-MethylPropenal

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Methylpropenal
Price: Check
Purity: 95.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Methylpropenal
Price: ￥558.0/100ml ￥178.0/25ml
Purity: 95.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methacrolein
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: Methacrolein
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Methylpropenal

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synthetic Route

Precursor & DownStream

Articles27

Synonyms

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