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Cas Database

822-83-3

822-83-3

Identification

Synonyms:1,3-Dioxolane,2-isopropyl- (7CI,8CI); 2-(1-Methylethyl)-1,3-dioxolane;2-Isopropyl-1,3-dioxolane; 2-Isopropyldioxolane; Isobutyraldehyde ethyleneacetal; NSC 139442

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Safety information and MSDS view more

  • Signal Word:no data available

  • Hazard Statement:no data available

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

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Relevant articles and documentsAll total 8 Articles be found

-

Gatti,Morandi

, p. 4393 (1965)

-

Robust acidic pseudo-ionic liquid catalyst with self-separation ability for esterification and acetalization

Shi, Yingxia,Liang, Xuezheng

, p. 1413 - 1421 (2019/05/04)

The novel acidic pseudo-ionic liquid catalyst with self-separation ability has been synthesized through the quaternization of triphenylphosphine and the acidification with silicotungstic acid. The pseudo-IL showed high activities for the esterification with average conversions over 90%. The pseudo-IL showed even higher activities for acetalization than traditional sulfuric acid. The homogeneous catalytic process benefited the mass transfer efficiency. The pseudo-IL separated from the reaction mixture automatically after reactions, which was superior to other IL catalysts. The high catalytic activities, easy reusability and high stability were the key properties of the novel catalyst, which hold great potential for green chemical processes.

Synthesis of ethers and cyclic acetals in the presence of CBV-720 zeolite

Baiburtli,Raskil’dina,Zlotskii

, p. 1098 - 1101 (2017/11/22)

СBV-720 zeolite was compared to H-Beta zeolite and KU-2 cation-exchange resin in the catalytic performance in addition of alcohols to norbornene, in condensation of aldehyde and ketone with di- and triols, and in the Prins reaction of olefins with formaldehyde. These reactions, when performed on СBV-720 zeolite, occur 1.5–2 times faster than on the other catalysts. The corresponding ethers and cyclic acetals were synthesized.

Synthesis and bactericidal activity of substituted cyclic acetals

Tugarova,Kazakova,Kamnev,Zlotskii

, p. 1930 - 1933 (2015/02/02)

A series of substituted cyclic acetals were synthesized and tested for their bactericidal activity against bacteria strain Azospirillum brasilense Sp245.

Bis(perfluorooctanesulfonyl)imide supported on fluorous silica gel: Application to protection of carbonyls

Hong, Mei,Xiao, Guomin

experimental part, p. 121 - 126 (2012/08/28)

The immobilization of bis(perfluorooctanesulfonyl)imide (HNPf2) on fluorous silica gel (FSG) and its utilization in protection of carbonyls have been investigated. This system is reasonably general and can be applied to converting several carbonyls to the corresponding acetals and ketals in good to excellent yields. There is no need for the use of anhydrous solvents or inert atmosphere. Recycling studies have shown that the FSG-supported HNPf2 catalyst can be readily recovered and reused several times without significant loss of activity.

A convenient and highly efficient method for the protection of aldehydes using very low loading hydrous ruthenium(III) trichloride as catalyst

Qi, Jian-Ying,Ji, Jian-Xin,Yueng, Chi-Hung,Kwong, Hoi-Lun,Chan, Albert S.C.

, p. 7719 - 7721 (2007/10/03)

A convenient method for the chemoselective protections of both aliphatic and aromatic aldehydes has been developed. Ruthenium(III) trichloride (0.1 mol %) has found to be an highly efficient catalyst in the acetalizations of aldehydes with various simple alcohols such as methanol, ethanol, or diols such as 1,2-ethylanediol and 1,3-propanediol under mild reaction conditions.

Process route upstream and downstream products

Process route

ethylene glycol
107-21-1

ethylene glycol

isobutyraldehyde
78-84-2

isobutyraldehyde

2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

Conditions
Conditions Yield
With dimethylsilicon dichloride; at 20 ℃; for 0.416667h;
95%
With cationite KU-2; In benzene; Reflux; Dean-Stark;
92%
With ruthenium trichloride; at 20 ℃; for 10h;
91%
With Trichlorbutylstannan; at 0 ℃; for 0.166667h;
76%
With phosphoric acid;
With cation exchanger; Unter Entfernen des entstehenden Wassers;
toluene-4-sulfonic acid; In acetonitrile; at 35 ℃; for 2h;
With fluorous silica gel-supported bis(perfluorooctanesulfonyl)imide; In toluene; for 2h; Reflux;
With CBV-720 zeolite; In benzene; at 80 ℃; Reagent/catalyst;
With 3H(1+)*O40SiW12(4-)*C21H22O3PS(1+); In cyclohexane; for 1.5h; Dean-Stark; Reflux;
98 %Chromat.
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

Conditions
Conditions Yield
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

methyl diazoacetate
6832-16-2

methyl diazoacetate

C<sub>9</sub>H<sub>16</sub>O<sub>4</sub>

C9H16O4

dimethyl cis-but-2-ene-1,4-dioate
624-48-6

dimethyl cis-but-2-ene-1,4-dioate

dimethylfumarate
624-49-7

dimethylfumarate

(2S,3R)-3-Isopropyl-[1,4]dioxane-2-carboxylic acid methyl ester

(2S,3R)-3-Isopropyl-[1,4]dioxane-2-carboxylic acid methyl ester

Conditions
Conditions Yield
With copper acetylacetonate; 1-butyl-3-methylimidazolium chloride; In dichloromethane; at 40 ℃; for 24h; optical yield given as %de;
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

2-isobutoxyethanol
4439-24-1

2-isobutoxyethanol

Conditions
Conditions Yield
With zirconium(IV) chloride; diisobutylaluminium hydride; In hexane; at 20 ℃; for 0.5h;
98%
With hydrogen; 5%-palladium/activated carbon; In ethylene glycol; at 200 ℃; for 2h; under 25877.6 Torr; Autoclave;
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

triisobutylaluminum
100-99-2,130565-62-7

triisobutylaluminum

2-isobutoxyethanol
4439-24-1

2-isobutoxyethanol

2-(2,5-dimethylhexan-3-yloxy)ethanol

2-(2,5-dimethylhexan-3-yloxy)ethanol

Conditions
Conditions Yield
With zirconium(IV) chloride; In hexane; at 20 ℃; for 0.5h;
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

ethylene glycol
107-21-1

ethylene glycol

isobutyraldehyde
78-84-2

isobutyraldehyde

Conditions
Conditions Yield
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

sulfuric acid
7664-93-9

sulfuric acid

ethylene glycol
107-21-1

ethylene glycol

isobutyraldehyde
78-84-2

isobutyraldehyde

Conditions
Conditions Yield
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

water
7732-18-5

water

ethylene glycol
107-21-1

ethylene glycol

isobutyraldehyde
78-84-2

isobutyraldehyde

Conditions
Conditions Yield
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

2-hydroxyethyl isobutyrate
6942-58-1

2-hydroxyethyl isobutyrate

Conditions
Conditions Yield
With 4-phenyl-2,2,5,5-tetramethyl-3-imidazolin-1-yloxy-3-oxide; 15-crown-5; potassium chlorochromate; In acetonitrile; at 60 ℃; for 7h;
100%
With selenium tetrabromide; dihydrogen peroxide; at 22 ℃; for 1.25h; Product distribution; other cyclic acetals; other reagents; var. concentrations and reaction time;
99%
With selenium tetrabromide; dihydrogen peroxide; at 22 ℃; for 1.25h;
99%
With aluminum oxide; Oxone; In chloroform; at 50 ℃; for 2h; Further Variations:; Reagents; Solvents; Temperatures; Product distribution;
40%
With dihydrogen peroxide; at 100 ℃; for 120h; Product distribution; other cyclic acetals; var time;
With dihydrogen peroxide; selenium tetrabromide; at 25 ℃; for 0.333333h; Product distribution; other catalysts, also in the presence of benzoquinone, other temperatures, other reaction times; selectivity; other acetals;
With ozone; In tetrachloromethane; at 0 ℃; Rate constant;
With oxygen; ozone; at -60 ℃; Product distribution; further reagents (1,3-dioxolane hydrotrioxide at -30 deg C);
With dihydrogen peroxide; at 100 ℃; for 2h;
With dihydrogen peroxide; selenium tetrabromide; at 25 ℃; for 1.33333h; Yield given;
With oxygen; ozone; at -60 ℃; for 0.75h; Yield given;
With dinitrogen tetraoxide; at 0 ℃; for 4h;
90 % Turnov.
With 18-crown-6 ether; Co(II) salt; oxygen; at 120 ℃; for 20h; Yield given; var. reag.: liq. N2O4, O3 or hydroperoxides;
2-isopropyl-1,3-dioxolane
822-83-3

2-isopropyl-1,3-dioxolane

2-hydroxyethyl isobutyrate
6942-58-1

2-hydroxyethyl isobutyrate

Ethyl isobutyrate
97-62-1

Ethyl isobutyrate

Conditions
Conditions Yield
With Cumene hydroperoxide; In chlorobenzene; at 130 ℃; for 1h; Product distribution; Rate constant;
70%
With Cumene hydroperoxide; at 110 ℃;

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