ChemicalBook > CAS DataBase List > MONOMETHYL 3-METHYLGLUTARATE

MONOMETHYL 3-METHYLGLUTARATE

Product Name: MONOMETHYL 3-METHYLGLUTARATE
CAS No.: 27151-65-1
Chemical Name: MONOMETHYL 3-METHYLGLUTARATE
Synonyms: MONOMETHYL 3-METHYLG;Methyl β-methylglutarate;Monomethylβ-methylglutarate;MONOMETHYL 3-METHYLGLUTARATE;Monomethyl β-methylglutarate;5-methoxy-3-methyl-5-oxopentanoate;5-methoxy-3-methyl-5-oxopentanoicaci;Methyl hydrogen 3-methylglutarate, 95%;5-Methoxy-3-Methyl-5-oxopentanoic acid;27151-65-1 (MONOMETHYL 3-METHYLGLUTARATE)
CBNumber: CB2426437
Molecular Formula: C7H12O4
Formula Weight: 160.17
MOL File: 27151-65-1.mol

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MONOMETHYL 3-METHYLGLUTARATE Property

Boiling point:: 114-116 °C(Press: 1 Torr)
Density: 1.113 g/cm3(Temp: 22 °C)
storage temp.: Sealed in dry,Room Temperature
pka: 4?+-.0.10(Predicted)
Appearance: Colorless to light yellow Liquid
optical activity: -1.3975°(C=1g/100ml CHCL3)

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Safety

HS Code: 2917198090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: M337508
Product name: 5-methoxy-3-methyl-5-oxopentanoate
Packaging: 1g
Price: $45
Updated: 2021/12/16

TRC

Product number: M337508
Product name: 5-methoxy-3-methyl-5-oxopentanoate
Packaging: 5g
Price: $155
Updated: 2021/12/16

AK Scientific

Product number: Z4530
Product name: 5-Methoxy-3-methyl-5-oxopentanoicacid
Packaging: 1g
Price: $64
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0030844
Product name: MONOMETHYL 3-METHYLGLUTARATE
Purity: 95.00%
Packaging: 1G
Price: $628.49
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0030844
Product name: MONOMETHYL 3-METHYLGLUTARATE
Purity: 95.00%
Packaging: 5G
Price: $854.35
Updated: 2021/12/16

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MONOMETHYL 3-METHYLGLUTARATE Chemical Properties,Usage,Production

Synthesis

19013-37-7

27151-65-1

General procedure for synthesizing β-methylglutaric acid monomethyl ester from dimethyl 3-methylglutarate: 240 g of barium hydroxide octahydrate was added to methanol under stirring conditions to prepare 182 g of barium hydroxide methanol solution with a concentration of 10%, and cooled and set aside. Assemble a stirrer and a thermometer in a 5000 ml four-necked reaction flask, add the reaction solution of dimethyl β-methylglutarate prepared above, and cool it to below -10°C, controlling the temperature to not more than 0°C. Rapidly add the newly configured 10% barium hydroxide methanol solution with stirring, and a white solid precipitate was formed immediately after the addition. Gradually warmed to room temperature and stirred continuously for 16 hours. Upon completion of the reaction, it was filtered and washed with a small amount of methanol to give about 400 g of methyl beta-barium salt glutarate monomethyl ester wet product. Next, a stirrer, thermometer and dropping funnel were assembled on a 2000 ml four-neck reaction flask. The wet product of methyl β-barium salt glutaric acid monomethyl ester prepared in the previous step was added, 1000 ml of distilled water was added, stirring and pulping was carried out, the temperature was controlled not to exceed 0°C, 10% hydrochloric acid was added dropwise to adjust the pH to 3-4, and stirring was continued for 30 minutes. To the reaction mixture was added 300 ml of ether, stirred for 10 minutes, and then the ether layer was separated using a separatory funnel. The aqueous layer was extracted once more with 200 ml of ether. The organic layers were combined and evaporated. The organic layer was filtered to remove the desiccant. The ether was recovered by atmospheric pressure distillation followed by reduced pressure distillation. Fraction 230 g at 146-150°C/10 mmHg was collected as monomethyl β-methylglutarate, which was analyzed by gas chromatography and showed a purity of 98.50% and a yield of 94.4%.

References

[1] Organic and Biomolecular Chemistry, 2018, vol. 16, # 8, p. 1343 - 1350
[2] Patent: CN108383723, 2018, A. Location in patent: Paragraph 0033; 0034; 0046-0048; 0053; 0057-0063; 0068-0074

MONOMETHYL 3-METHYLGLUTARATE Preparation Products And Raw materials

Raw materials

Acetaldehyde

Preparation Products

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View Lastest Price from MONOMETHYL 3-METHYLGLUTARATE manufacturers

Henan Aochuang Chemical Co.,Ltd.

Product: Monomethyl β-methylglutarate 27151-65-1
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-09-28

Career Henan Chemical Co

Product: MONOMETHYL 3-METHYLGLUTARATE 27151-65-1
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 200kg
Release date: 2019-08-30

27151-65-1, MONOMETHYL 3-METHYLGLUTARATERelated Search:

TRIMETHYL CITRATE 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID Tributyl citrate DIETHYL 1,4-DIHYDRO-2,4,6-TRIMETHYL-3,5-PYRIDINEDICARBOXYLATE 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE Triethyl citrate Oleuropein Acetyl tributyl citrate Triethyl acetyl citrate 1,2,3,4-Cyclobutanetetracarboxylic Dianhydride ETHYL ISOCITRATE DIETHYL-3-METHYLGLUTARATE Diethyl2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate 1,1,2,3-PROPANETETRACARBOXYLIC ACID TETRAETHYL ESTER TRIMETHYL 1,2,3-PROPANETRICARBOXYLATE TRI-N-AMYL CITRATE PENTAMETHYL CYCLOPENTADIENE-1,2,3,4,5-PENTACARBOXYLATE (R)-mono-Methyl 3-methylglutarate, (R)-Monomethyl 3-methylglutarate

MONOMETHYL 3-METHYLGLUTARATE

3-METHYL-PENTANEDIOIC ACID MONOMETHYL ESTER

MONOMETHYL 3-METHYLG

5-Methoxy-3-Methyl-5-oxopentanoic acid

Pentanedioic acid, 3-methyl-, 1-methyl ester

Monomethyl β-methylglutarate

3-methyl-1,5-pentanedioic acid monomethyl ester

Methyl hydrogen 3-methylglutarate, 95%

27151-65-1 (MONOMETHYL 3-METHYLGLUTARATE)

Monomethylβ-methylglutarate

5-methoxy-3-methyl-5-oxopentanoate

5-methoxy-3-methyl-5-oxopentanoicaci

Methyl β-methylglutarate

27151-65-1

Carboxylic acid