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2,4-Dimethyl-1,3-pentadiene

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Origin: China

Cas No: 1000-86-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 1000-86-8 Formula: C7H12 Molecular Weight: 96.17020

Basic Info

Chemical Name	2,4-Dimethyl-1,3-pentadiene
Synonyms	1,3-Pentadiene, 2,4-dimethyl-; 2,4-dimethylpenta-1,3-diene;
CAS No.	1000-86-8
Molecular Formula	C7H12
Molecular Weight	96.17020
PSA	0.00000
LogP	2.52870

Properties

Appearance & Physical State	clear colorless to light yellow liquid
Density	0.744 g/mL at 25ºC(lit.)
Boiling Point	94ºC(lit.)
Flash Point	50 °F
Refractive Index	n20/D 1.441(lit.)
Storage Condition	Flammables area
Vapor Pressure	56.8mmHg at 25°C

Safety Info

Hazard Class	3.1
Safety Statements	S16; S26; S36/37/39
HS Code	2901299090
Packing Group	II
RIDADR	UN 3295 3
Risk Statements	R11
Hazard Codes	F; Xi

Synthesis Route

Diethyl ether+4-chloro-4-methylpent-2-yne→2,4-Dimethyl-1,3-pentadiene+2-methylpent-1-en-3-yne
2,4-dimethylpenta-2,3-diene→2,4-Dimethyl-1,3-pentadiene+2,4-dimethylpent-2-ene
2,4-dimethyl-3-iodo-2-pentene→2,4-Dimethyl-1,3-pentadiene+2,4-dimethylpent-2-ene

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Packed	Squalane	70.	687.	isothermal
Capillary	SE-30	130.	700.	isothermal
Capillary	SE-30	80.	700.	isothermal
Packed	Squalane	27.	686.	isothermal
Packed	Squalane	49.	687.	isothermal

Precursor

2,4-dimethylpenta-2,3-diene
2,4-dimethylpent-3-en-2-ol
3-bromo-1,1,2,2-tetramethylcyclopropane
2,4-dimethyl-3-pentanone

Downstream Product

1,1,2,2-Tetramethylcyclopropane
1-(3,3-dimethyloxiran-2-yl)ethanone
3,4-epoxy-2,4-dimethylpent-1-ene
(5-formyl-2,4,4-trimethylcyclohexa-2,5-dien-1-yl) acetate

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