CAS No.623-36-9,2-Methyl-2-pentenal Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	623-36-9
Name:	2-Methyl-2-pentenal
Article Data:	171

Formula:	C₆H₁₀O
Molecular Weight:	98.1448
Synonyms:	2-Methyl-2-penten-1-al;2-Methyl-2-pentene-1-al;2-Methyl-3-ethylacrolein;NSC9464;a-Methyl-b-ethylacrolein;b-Ethyl-a-methylacrolein;
EINECS:	210-789-5
Density:	0.829 g/cm³
Melting Point:	-90 °C
Boiling Point:	136.5 °C at 760 mmHg
Flash Point:	33.4 °C
Solubility:	20g/L(20 oC)
Appearance:	clear colorless to pale yellow liquid
Hazard Symbols:	Xn
Risk Codes:	10-20-36
Safety:	26
Transport Information:	UN 1989 3/PG 3
PSA:	17.07000
LogP:	1.54160

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Chemistry

Chemistry informtion about 2-Methyl-2-Penten-1-Al (CAS NO.623-36-9) is:
IUPAC Name: (E)-2-Methylpent-2-Enal
Synonyms: (2e)-2-Methyl-2-Pentenal ; 2-Methyl-2-Penten-1-Al ; 2-Methyl-2-Pentena ; 2-Methylpentenal ; 2-Pentenal,2-Methyl- ; 2-Propylidene-Propionaldehyde ; 3-Ethyl-2-Methylacraldehyde ; Beta-Ethyl-Alpha-Methylacrolein
Product Categories: Alphabetical Listings ; Flavors and Fragrances ; M-N ; Aldehydes ; C1 to C6 ; Carbonyl Compounds
MF: C₆H₁₀O
MW: 98.14
EINECS: 210-789-5
Density: 0.829 g/cm³
Melting Point: -90°C
Flash Point: 33.4 °C
Boiling Point: 136.5 °C at 760 mmHg
Vapour Pressure: 7.34 mmHg at 25°C
Enthalpy of Vaporization: 37.39 kJ/mol
Refractive Index: n20/D 1.45(lit.)
Storage temp.: Flammables area
Sensitive: Air Sensitive
BRN: 506124
FEMA: 3194
Following is the molecular structure of 2-Methyl-2-Penten-1-Al (CAS NO.623-36-9) is:

Uses

2-Methyl-2-Penten-1-Al (CAS NO.623-36-9) was used as food spices and organic synthesis intermediate.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
rabbit	LD50	skin	4500uL/kg (4.5mL/kg)	AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.
rat	LC50	inhalation	2000ppm/4H (2000ppm)	AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.
rat	LD50	oral	4290mg/kg (4290mg/kg)	AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion, skin contact and inhalation. A skin and severe eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.
Hazard Codes:
Harmful Xn
Risk Statements:
R10:Flammable.
R20:Harmful by inhalation.
R36:Irritating to eyes.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1989 3/PG 3
WGK Germany: 1
RTECS: SB2100000
HazardClass: 3
PackingGroup: III

Analytical Methods

Propionaldehyde for raw materials, in alkaline solution heated to 40 ~ 50 ° C, condensation in the system.

Specification

2-Methyl-2-Penten-1-Al (CAS NO.623-36-9) is a clear colorless to pale yellow liquid with a grass fragrance smells.It can soluble in alcohol, ether, benzene and methanol, but insoluble in water. Natural materials found in the onion in the volatile group. It is flammable and irritating.