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390836

Sigma-Aldrich

2,4-Dimethylpyrrole

97%

Synonym(s):

2,4-Dimethyl-1-pyrrole, 2,4-Dimethyl-1H-pyrrole, 2,4-Dimethyl-3H-pyrrole

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1 G
CLP 38,100
5 G
CLP 127,000

CLP 38,100

Estimated to ship onApril 14, 2025

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1 G
CLP 38,100
5 G
CLP 127,000

About This Item

Empirical Formula (Hill Notation):
C6H9N
CAS Number:
625-82-1
Molecular Weight:
95.14
EC Number:
210-912-2
MDL number:
MFCD00192088
UNSPSC Code:
12352100
PubChem Substance ID:
24864348
NACRES:
NA.22

CLP 38,100

Estimated to ship onApril 14, 2025

Request a Bulk Order

Quality Level

200

Assay

97%

form

liquid

refractive index

n20/D 1.496 (lit.)

bp

165-167 °C (lit.)

density

0.924 g/mL at 25 °C (lit.)

SMILES string

Cc1c[nH]c(C)c1

InChI

1S/C6H9N/c1-5-3-6(2)7-4-5/h3-4,7H,1-2H3

InChI key

MFFMQGGZCLEMCI-UHFFFAOYSA-N

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General description

2,4-Dimethylpyrrole is a substituted pyrrole. Its synthesis by using ethyl acetoacetate as starting material has been reported.[1] Its basicity has been evaluated from UV spectral data.[2] Its photodecomposition on irradiation has been reported to afford H2, CH4, C2H6 and polymeric products.[3]

Application

2,4-Dimethylpyrrole may be used in the synthesis of the following:
  • 2,5-bis(2′,4′-dimethyl-5′-pyrryl)p-benzoquinone[4]
  • boron dipyrromethene (BODIPY) dyes[5][6]
  • 2,4-dimethyl-6-methoxyprodigiosene[7]

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000409140
0000381666
0000362604
0000313331
0000409140

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The synthesis of Knorr's pyrrole by inverse addition.
Cooney JV, et al.
Organic preparations and procedures international, 15(4), 292-295 (1983)
The structure of pyrrole salts and the basic strengths of some simple pyrroles.
Bullock, E.
Canadian Journal of Chemistry, 36(12), 1686-1690 (1958)
Prodigiosene [5-(2-pyrryl)-2, 21-dipyrrylmethene] and some substituted prodigiosenes.
Hearn WR, et al.
The Journal of Organic Chemistry, 35(1), 8376-8382 (1970)
Reactions of the Perfluoroalkylnitriles. VIII. Syntheses of 1, 3, 5-Triazines with Specific Groups in the 2, 4, or 6 Positions.
Brown H, et al.
The Journal of Organic Chemistry, 32(1), 231-233 (1967)
Thermal decomposition and ring expansion in 2, 4-dimethylpyrrole. Single pulse shock tube and modeling studies.
Lifshitz A, et al.
The Journal of Physical Chemistry A, 107(24), 4851-4861 (2003)
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