CAS No.126-39-6,2-ETHYL-2-METHYL-1,3-DIOXOLANE Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	126-39-6
Name:	2-ETHYL-2-METHYL-1,3-DIOXOLANE
Article Data:	46

Formula:	C6H12 O2
Molecular Weight:	116.16
Synonyms:	2-Butanoneethylene ketal;2-Butanone, cyclic 1,2-ethanediyl acetal;2-Ethyl-2-methyl-1,3-dioxolane;2-Ethyl-2-methyldioxolane;2-Methyl-2-ethyl-1,3-dioxolane;2-Methyl-2-ethyldioxolane;NSC 829;
EINECS:	204-785-2
Density:	0.929
Melting Point:	-81.9°C
Boiling Point:	116.2°Cat760mmHg
Flash Point:	13 ºC
Appearance:	Clear colourless liquid
Hazard Symbols:
Risk Codes:	R11;R36
Safety:	Moderately toxic by ingestion and inhalation. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Transport Information:	UN 1993
PSA:	18.46000
LogP:	1.15940

Synthetic route

: 107-21-1
ethylene glycol

: 78-93-3
butanone

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

Conditions

Conditions	Yield
With phosphorus modified SO4(2-)/TiO2 In cyclohexane for 2h; Dean-Stark; Reflux;	99%
With [CuI4CuII(mtpo)4(H2O)2Cl2]n In toluene at 110℃; for 24h;	97%
With polyacrylonitrile hybrid fiber mat supported solid acid catalyst In cyclohexane Reflux;	96.56%

: 497-26-7
2-methyl-1,3-dioxolane

: 74-85-1
ethene

A: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

B: 14447-27-9
2-n-butyl-2-methyl-1,3-dioxolane

C: 937-94-0
2-methyl-2-hexyl-1,3-dioxolane

D: 123-86-4
acetic acid butyl ester

E: 142-92-7
1-hexyl acetate

F: 112-14-1
n-octyl acetate

Conditions

Conditions	Yield
di-tert-butyl peroxide at 140 - 150℃; Product distribution;

...Expand

: 7381-30-8
2,2,7,7-tetramethyl-3,6-dioxa-2,7-disilaoctane

: 78-93-3
butanone

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

Conditions

Conditions	Yield
With NafionTMS at 70℃; for 20h; acetalisation;

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 123995-06-2
Toluene-4-sulfonic acid (1R,4aR,8aR)-8a-methyl-6-oxo-decahydro-naphthalen-1-yl ester

: 123995-05-1
(4'aα,5'α,8'aβ)-octahydro-4'a-methylspiro<1,3-dioxolane-2,2'(1'H)-naphthalene>-5'-ol 5'-(4-methylbenzenesulfonate)

Conditions

Conditions	Yield
toluene-4-sulfonic acid; ethylene glycol In dichloromethane for 24h; Ambient temperature;	100%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 89951-20-2
(1α,3aβ,7α,8aβ)-3,3a,6,7,8,8a-hexahydro-1,7-dimethyl-1,7-ethanoazulene-2(1H),5(4H)-dione

: 89951-21-3
(1'α,3'aβ,7'α,8'aβ)-1',2',3',3'a,6',7',8',8'a-octahydro-1',7'-dimethylspiro<1,3-dioxolane-2,2'-<1,7>ethanoazulen>-5(4H)-one

Conditions

Conditions	Yield
With toluene-4-sulfonic acid; ethylene glycol for 8h; Ambient temperature;	100%
	90%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 137956-75-3
3-Oxo-bicyclo[3.2.1]octane-6,6-dicarbothioic acid di-S-ethyl ester

: 137956-77-5
C16H24O4S2

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene Heating;	100%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 111324-63-1
(R)-1β-<(tert-butyldimethylsilyl)oxy>-8aβ-methyl-1,2,3,4,4aα,5,8,8a-octahydro-6(7H)-naphthalenone

: 125489-04-5
tert-Butyl-dimethyl-((4'aR,5'R,8'aR)-4'a-methyl-octahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-5'-yloxy)-silane

Conditions

Conditions	Yield
With toluene-4-sulfonic acid; ethylene glycol at 25℃; for 8h;	100%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 117535-79-2
(E)-1-(4-methoxyphenyl)-4-phenylbut-3-en-2-one

: cinnam-(p-methoxyphenyl)-1,3-dioxolane

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In ethylene glycol; benzene for 4.5h; acetal formation; Heating;	100%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: C16(13)CH16O2

: C18(13)CH20O3

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In ethylene glycol; benzene for 4.5h; acetal formation; Heating;	100%

: 126-39-6
2-ethyl-2-methyl-1,3-dioxolane

: 4-methoxy-r-1,c-2,c-9-trimethylbicyclo<4.3.0>non-4-en-7-one

: 100692-68-0
r-1,c-5,c-6-trimethylspirononane-3,2'-<1,3>dioxolan>-9-one

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene for 48h; Ambient temperature;	99%

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Chemistry

IUPAC Name: 2-Ethyl-2-methyl-1,3-dioxolane
The MF of 2-Ethyl-2-methyl-1,3-dioxolane (CAS NO.126-39-6) is C₆H₁₂O₂.

The MW of 2-Ethyl-2-methyl-1,3-dioxolane (CAS NO.126-39-6) is 116.16.
Synonyms of 2-Ethyl-2-methyl-1,3-dioxolane (CAS NO.126-39-6): 2-Butanone, cyclic 1,2-ethanediyl acetal ; 2-Ethyl-2-methyl-3-dioxolane ; 2-Ethyl-2-methyldioxolane ; 2-Methyl-2-ethyl-1,3-dioxolane ; 2-Methyl-2-ethyldioxolane
Product Categories: Dioxanes & Dioxolanes;Dioxolanes;Acetals/Ketals/Ortho Esters
Apperance: Clear colourless liquid
Index of Refraction: 1.403
EINECS: 204-785-2
Density: 0.916 g/ml
Flash Point: 12.8 °C
Boiling Point: 116.2 °C
Storage temp: Refrigerator

Uses

2-Ethyl-2-methyl-1,3-dioxolane (CAS NO.126-39-6) is used in the manufacture of pesticides, pharmaceuticals and other chemical products.

Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MLD	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,797.
2.	eye-rbt 500 mg/24H MLD	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,797.
3.	orl-rat LDLo:2830 mg/kg	AIHAAP American Industrial Hygiene Association Journal. 23 (1962),95.
4.	ihl-rat LCLo:4000 ppm/4H	AIHAAP American Industrial Hygiene Association Journal. 23 (1962),95.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion and inhalation. A skin and eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.Safety information of 2-Ethyl-2-methyl-1,3-dioxolane (CAS NO.126-39-6):
Hazard Codes F, Harmful Xn,Xi
Risk Statements
11 Highly Flammable
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
16 Keep away from sources of ignition - No smoking
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
38 In case of insufficient ventilation, wear suitable respiratory equipment
RIDADR UN 1993 3/PG 2
WGK Germany 3
RTECS JH7700000
HazardClass 3.1
PackingGroup II