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Safety Information

14795

Sigma-Aldrich

N,N,N′,N′-Tetramethyl-1,8-naphthalenediamine

purum, ≥99.0% (NT)

Synonym(s):

1,8-Bis(dimethylamino)naphthalene, DMAN, Proton-sponge®

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About This Item

Empirical Formula (Hill Notation):
C14H18N2
CAS Number:
20734-58-1
Molecular Weight:
214.31
Beilstein:
396782
EC Number:
244-001-6
MDL number:
MFCD00003920
UNSPSC Code:
12352100
PubChem Substance ID:
329750622
NACRES:
NA.22

grade

purum

Quality Level

200

Assay

≥99.0% (NT)

form

solid

mp

45-49 °C

SMILES string

CN(C)c1cccc2cccc(N(C)C)c12

InChI

1S/C14H18N2/c1-15(2)12-9-5-7-11-8-6-10-13(14(11)12)16(3)4/h5-10H,1-4H3

InChI key

GJFNRSDCSTVPCJ-UHFFFAOYSA-N

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Application

N,N,N′,N′-Tetramethyl-1,8-naphthalenediamine was used in protonation of multiple-charged oligonucleotide anions. It was used as reagent during reaction of benzaldehyde with acetic anhydride catalyzed by bismuth nitrate. It was used as extractant during separation of organic acids from fermentation broths by liquid-liquid extraction.

Other Notes

Strong amine base ("proton sponge") with unusual properties

Legal Information

Proton-sponge is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H319,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

14795-VAR:
14795-5KG:
14795-50G:
14795-BULK:
14795-INTR:
14795-10G:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD9416
BCCD9879
BCBR6285V
BCCB2342
BCCB1749

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Sigma-Aldrich

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R.L. Benoit et al.
Canadian Journal of Chemistry, 65, 996-996 (1987)
Yu Xia et al.
Analytical chemistry, 77(11), 3683-3689 (2005-06-01)
A single sonic spray source has been used to generate both positive and negative ions for subsequent ion/ion reaction experiments. Ion/ion reactions took place after ions of each polarity were sequentially injected into a linear ion trap, where axial trapping
R.W. Alder et al.
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Bismuth compounds in organic synthesis. Bismuth nitrate catalyzed chemoselective synthesis of acylals from aromatic aldehydes.
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