1,8-bis(dimethylamino)naphthalene

Modify Date: 2025-08-21 19:12:17

1,8-bis(dimethylamino)naphthalene Structure
1,8-bis(dimethylamino)naphthalene structure
 Common Name 1,8-bis(dimethylamino)naphthalene
CAS Number 20734-58-1 Molecular Weight 214.306
Density 1.1±0.1 g/cm3 Boiling Point 304.4±22.0 °C at 760 mmHg
Molecular Formula C14H18N2 Melting Point 49-51 °C(lit.)
MSDS Chinese USA Flash Point 128.3±10.2 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 304.4±22.0 °C at 760 mmHg
Melting Point 49-51 °C(lit.)
Molecular Formula C14H18N2
Molecular Weight 214.306
Flash Point 128.3±10.2 °C
Exact Mass 214.147003
PSA 6.48000
LogP 3.67
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.649
Storage condition 2-8°C
Water Solubility insoluble

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes C:Corrosive
Risk Phrases R22;R34
Safety Phrases S26-S45-S36/37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2921590090

 Synthetic Route

Dimethyl sulfate structure

Dimethyl sulfate

CAS#:77-78-1

1,8-Diaminonaphthalene structure

1,8-Diaminonaph...

CAS#:479-27-6

~93%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Sorokin; Ozeryanskii; Pozharskii Russian Journal of Organic Chemistry, 2002 , vol. 38, # 5 p. 699 - 708
N/A structure

N/A

CAS#:53133-89-4

~93%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Pozharskii, A. F.; Kurasov, L. A.; Kuz'menko, V. V.; Popova L. L. Journal of Organic Chemistry USSR (English Translation), 1981 , p. 884 - 891 Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 5 p. 1005 - 1013
N/A structure

N/A

CAS#:88580-00-1

~91%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Pozharskii, A. F.; Kurasov, L. A.; Kuz'menko, V. V.; Popova L. L. Journal of Organic Chemistry USSR (English Translation), 1981 , p. 884 - 891 Zhurnal Organicheskoi Khimii, 1981 , vol. 17, # 5 p. 1005 - 1013
1,8-Diaminonaphthalene structure

1,8-Diaminonaph...

CAS#:479-27-6

methyl iodide structure

methyl iodide

CAS#:74-88-4

~94%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Kurasov, L. A.; Posharskii, A. F.; Kuz'menko, V. V. Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 1735 - 1738 Zhurnal Organicheskoi Khimii, 1981 , vol. 17, p. 1944 - 1947
1,2,2,3-tetramethylperimidine structure

1,2,2,3-tetrame...

CAS#:64482-94-6

methyl iodide structure

methyl iodide

CAS#:74-88-4

~95%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Ozeryanskii; Filatova; Sorokin; Pozharskii Russian Chemical Bulletin, 2001 , vol. 50, # 5 p. 846 - 853
protonated 1,8-bis(dimethylaamino)naphthalene structure

protonated 1,8-...

CAS#:69055-49-8

~%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , p. 1832 - 1839
1,3-dimethyl-2H-perimidine structure

1,3-dimethyl-2H...

CAS#:37471-00-4

~%

1,8-bis(dimethylamino)naphthalene Structure

1,8-bis(dimethy...

CAS#:20734-58-1

Literature: Journal of Organic Chemistry USSR (English Translation), , p. 884 - 891 Zhurnal Organicheskoi Khimii, , vol. 17, # 5 p. 1005 - 1013

 Customs

HS Code 2921590090
Summary 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles16

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The combination of ultrahigh-resolution mass spectrometry imaging (UHRMSI) and ultrahigh-performance liquid chromatography coupled with tandem mass spectrometry (UHPLC/MS/MS) was used for the identifi...

Proton sponge: a novel and versatile MALDI matrix for the analysis of metabolites using mass spectrometry.

Anal. Chem. 81 , 7954-7959, (2009)

Here, we show the usefulness of a strong base, 1,8-bis(dimethyl-amino)naphthalene (DMAN; proton sponge), as a novel matrix for MALDI-TOF/MS analysis of anions. Several strong and weakly acidic low-mol...

 Synonyms

PROTON SPONGE
1,8-bis(dimethylamino)naphthalene
N1,N1,N8,N8-tetramethylnaphthalene-1,8-diamine
1,8-Bis(dimethylamino)naphtalene
N,N,N',N'-tetra-methylnaphthalene-1,8-diamine
1-Ethyl-3-methylimidazolium hexafluorophosphate
Proton-sponge(R)
1,8-bis-(dimethylamino)naphthalene
1,8-Naphthalenediamine, N,N,N,N-tetramethyl-
1,8-bis(N,N-dimethylamino)naphtalene
EINECS 244-001-6
N,N,N',N'-Tetramethyl-1,8-naphthalene diamine
N,N,N’,N’-Tetramethyl-1,8-naphthalenediamine
Proton-sponge
N,N,N`,N`-Tetramethyl-1,8-naphthalenediamine
1,8-Bis(dimethylamino)naphthalene,DMAN
1,8-bis(N,N-dimethylamino)naphthalene
N,N,N',N'-Tetramethyl-1,8-diaminonaphthalene
1,8-bis(dimethyl-amino)naphthalene
N,N,N',N'-Tetramethyl-1,8-naphthalenediamine
N,N,N',N'-Tetramethylnaphthalene-1,8-diamine
1,8-Naphthalenediamine,N,N,N',N'-tetramethyl
1,8-bis-(dimethylamino)-naphthalene
MFCD00003920
1,8-Naphthalenediamine, N,N,N',N'-tetramethyl-
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