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High Quality TEMED / CAS 111-18-2 / N,N,N’,N’-Tetramethyl-1,6-hexanediamine

High Quality TEMED / CAS 111-18-2 / N,N,N’,N’-Tetramethyl-1,6-hexanediamine


Tetramethylethylenediamine is a colorless transparent liquid with a slight odor of ammonia. Miscible with water, miscible with ethanol and most organic solvents.

Chinese name: Tetramethylethylenediamine, CAS 111-18-2, Dabco TMEDA, PC CAT TMEDA, Toyocat TE

English name: N,N,N’,N’-Tetramethylethylenediamine

Alias: Tetramethylethylenediamine

Chinese name: Tetramethylethylenediamine


Alias: Tetramethylethylenediamine

Chemical formula (CH3)2NCH2CH2N(CH3)2

Molecular weight 116.21

Melting point -55℃

Boiling point 121~122℃

Density 0.775g/mL at 20°C

Flash Point 10℃

Basic Information:

Chemical formula: (CH3)2NCH2CH2N(CH3)2

Molecular weight: 116.21

Melting point: -55℃

Boiling Point: 121~122°C

Density: 0.775g/mL at 20℃

Flash Point: 10℃

Numbering system:

CAS No.: 110-18-9

MDL No.: MFCD00008335

EINECS No.: 203-744-6

RTECS No.: KV7175000

BRN No.: 1732991

PubChem No.: 24900591

FEMA Login No.: 2488

Physical properties:

1.Properties: colorless transparent liquid, slightly ammonia odor.

2.Melting point (℃): -55

  1. Boiling point (℃): 120~122

  2. Relative density (water=1): 0.77 (20℃)

  3. Relative vapor density (air=1): 4.0

  4. Octanol/water partition coefficient: 0.3

  5. Flash point (℃): 10

8.Ignition temperature (℃): 349

9.Explosion upper limit (%): 9.08

10.Lower explosion limit (%): 0.98

11.Solubility: miscible with water, miscible with ethanol and most organic solvents.

Molecular structure data:

  1. Molar refractive index: 37.28

2、Molar volume (cm3/mol): 142.0

3、Iso-tensile specific volume(90.2K):322.2

4、Surface tension(dyne/cm):26.4


Properties and stability:

  1. Stability Stable

  2. Prohibited substances Strong oxidizing agent, strong acid

  3. Avoid contact conditions Heat

  4. Hazards of polymerization Non-polymerization

  5. Decomposition products amine

Product Use:

Tetramethylethylenediamine is a moderately active foaming catalyst, foam/gel balanced catalyst, can be used in thermo-molding soft foam, polyurethane semi-rigid foam and rigid foam, promote skin formation, can be used as a co-catalyst for triethylene diamine (A33).

Tetramethylethylenediamine 110-18-9 Dabco TMEDA PC CAT TMEDA Toyocat TE


Should be kept sealed and stored in a dry, cool and ventilated warehouse


200KG/drum Storage: it is recommended to store in dry and cool area with proper ventilation. Please fasten the package cover as soon as possible after the original packaging to prevent the mixing of other substances such as moisture and other substances that may affect the product performance. Store in a cool and dry place, keep the container sealed and avoid contact with oxides. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothing separately and wash before use. Maintain good hygiene practices.

Company Name:

Newtop Chemical Materials (Shanghai) Co., Ltd.

Sales Manager:




86-152 2121 6908


86-021-5657 7830


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Baoshan District, Shanghai, China (Mainland)