Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methyl-2-pentenal
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
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623-36-9

623-36-9 structure

623-36-9 structure

Name: 2-Methyl-2-pentenal
Chemical Name: 2-Methyl-2-pentenal
CAS Number: 623-36-9
Molecular Formula: C₆H₁₀O
Molecular Weight: 98.143
Catalog: Chemical pesticide Insecticide intermediate
Create Date: 2018-08-09 15:51:30
Modify Date: 2026-07-02 19:07:21

Name	2-Methyl-2-pentenal
Synonyms	CH3CH2CH=C(CH3)CHO (2E)-2-methylpent-2-enal 2-Propylidene-propionaldehyde 2-Methylpent-2-enal TRANS-2-METHYL-2-PENTENAL 2-methyl-2-pentena 2-METHYL-2-PENTENAL 2-Methyl-2-penten-1-al 9 2-Methyl-2-pentenal C6H10O 2-METHYL-2-PENTENOIC ALDEHYDE β-Ethyl-α-methylacrolein 2-METHYL-2-PENTENE-AL 2-METHYL-2-PENTENAL, NATURAL α-Methyl-β-ethylacrolein ALPHA-METHYL-BETA-ETHYL ACROLEIN 2-Methylpentenal METHYLPENTEN-2-AL, 2 2-Methyl-2-pentenal, R 2- Methyl-2-pentene aldehyde CAS 3-Ethyl-2-methylacraldehyde beta-Ethyl-alpha-methylacrolein 2-METHYLPENT-2-ENAL 2-Pentenal,2-methyl 2-Methyl-2-pentenealdehyde EINECS 210-789-5 (2E)-2-Methyl-2-pentenal 2-METHYL-2-PERTENAL Methyl-2-pente 2-methyl-(E)-2-pentenal 2-Methyl-2-pentene-1-al MFCD00006978 2-Methyl-2-pentenal, (E)+(Z)

Density	0.8±0.1 g/cm3
Boiling Point	136.5±9.0 °C at 760 mmHg
Melting Point	-90ºC
Molecular Formula	C₆H₁₀O
Molecular Weight	98.143
Flash Point	31.7±0.0 °C
Exact Mass	98.073166
PSA	17.07000
LogP	1.60
Vapour Pressure	7.3±0.3 mmHg at 25°C
Index of Refraction	1.420
Storage condition	Flammables area

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SB2100000

CHEMICAL NAME :: 2-Pentenal, 2-methyl-

CAS REGISTRY NUMBER :: 623-36-9

BEILSTEIN REFERENCE NO. :: 0506124

LAST UPDATED :: 199806

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C6-H10-O

MOLECULAR WEIGHT :: 98.16

WISWESSER LINE NOTATION :: VHY1&U3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,273,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,273,1986 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4290 mg/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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2000 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 :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 4500 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

Symbol	GHS02, GHS05, GHS06
Signal Word	Danger
Hazard Statements	H226-H317-H318-H331-H412
Precautionary Statements	P261-P273-P280-P305 + P351 + P338-P311
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn
Risk Phrases	R10
Safety Phrases	26
RIDADR	UN 1989 3/PG 3
WGK Germany	1
RTECS	SB2100000
Packaging Group	III
Hazard Class	3

Precursor 0
DownStream 9
76966-26-2 76966-17-1 565-61-7 143361-03-9
71-23-8 105-30-6 3142-72-1 123-15-9
32749-94-3

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