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MilliporeSigma

412783

Dimethyl 1,1-cyclopropanedicarboxylate

99%

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About This Item

Linear Formula:
C3H4(CO2CH3)2
CAS Number:
6914-71-2
Molecular Weight:
158.15
NACRES:
NA.22
PubChem Substance ID:
24865822
UNSPSC Code:
12352100
EC Number:
414-240-2
MDL number:
MFCD00192079
Assay:
99%
Form:
liquid

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assay

99%

form

liquid

InChI key

PWLLZZMFFZUSOG-UHFFFAOYSA-N

InChI

1S/C7H10O4/c1-10-5(8)7(3-4-7)6(9)11-2/h3-4H2,1-2H3

SMILES string

COC(=O)C1(CC1)C(=O)OC

refractive index

n20/D 1.441 (lit.)

bp

196-198 °C (lit.)

density

1.147 g/mL at 25 °C (lit.)

functional group

ester

Quality Level

100

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Dimethyl 1,1-cyclopropanedicarboxylate 99%

Sigma-Aldrich

412783

Dimethyl 1,1-cyclopropanedicarboxylate

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Sigma-Aldrich

E21604

Ethyl cyclopropanecarboxylate

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Sigma-Aldrich

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Methyl 4,4-dimethyl-3-oxopentanoate 99%

Sigma-Aldrich

262404

Methyl 4,4-dimethyl-3-oxopentanoate

assay

99%

assay

99%

assay

99%

assay

99%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

refractive index

n20/D 1.441 (lit.)

refractive index

n20/D 1.420 (lit.)

refractive index

-

refractive index

n20/D 1.487 (lit.)

form

liquid

form

liquid

form

powder

form

-

density

1.147 g/mL at 25 °C (lit.)

density

0.96 g/mL at 25 °C (lit.)

density

-

density

0.99 g/mL at 25 °C (lit.)

bp

196-198 °C (lit.)

bp

129-133 °C (lit.)

bp

-

bp

67-70 °C/13 mmHg (lit.)

Application

Dimethyl 1,1-cyclopropanedicarboxylate may be used in the preparation of α-diazo-β-ketoester.[1]

hcodes

H412

Hazard Classifications

Aquatic Chronic 3

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

203.0 °F - closed cup

flash_point_c

95 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN7075
MKCK7491
MKCG9888
MKBJ4797V
MKBL3265V

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Asymmetric approach to the pentacyclic skeleton of Aspidosperma alkaloids via enantioselective intramolecular 1, 3-dipolar cycloaddition of carbonyl ylides catalyzed by chiral dirhodium (II) carboxylates.
Nambu H, et al.
Tetrahedron Letters, 50(26), 3675-3678 (2009)

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