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Monomethyl dodecanedioate (CAS#3903-40-0)

Ngwongwo kemịkalụ:

Usoro ihe omimi C13H24O4
Molar Mass 244.33
Njupụta 1.012±0.06 g/cm3 (buru amụma)
Ebe Na-agbaze 51.5-52 Celsius C
Ebe Boling 170C (pịa: 3 Torr)
Ebe mgbari 124.3C
Solubility DMSO (obere, ekpo ọkụ), methanol (obere)
Uzuoku nrịbama 5.28E-06mmHg na 25°C
Ọdịdị siri ike
Agba Ọcha
pKa 4.78± 0.10 (buru amụma)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
Ntụgharị uche 1.456
Jiri Maka njikọ nke ngwa nri, a pụkwara iji ya mee ihe dị ka onye na-agbanwe nke polyester jupụtara, onye na-emepụta mmiri ozuzo dị arọ, ihe ndị pụrụ iche nke polyurethane.

Nkọwa ngwaahịa

Mkpado ngwaahịa

 

Okwu mmalite

Monomethyl dodecanedioate, nke a makwaara dị ka octylcyclohexylmethyl ester, bụ ngwakọta organic.

 

Ogo:

- Ọdịdị: A na-ahụkarị Monomethyl dodecanedioate dị ka mmiri mmiri na-enweghị agba.

Solubility: Soluble na organic solvents dị ka alcohols, ethers, na ketones.

- Ebe mgbanye: ihe dịka 127°C.

 

Jiri:

- Monomethyl dodecanedioate bụ ihe dị mkpa kemịkalụ akụrụngwa, nke a na-ejikarị na-akwadebe mmanụ aṅụ na-arụ ọrụ dị elu na mmanu mmanu dị elu.

- A pụkwara iji ya mee ihe dị ka plasticizer maka plastik na roba, na-eme ka mgbanwe ha na nhazi ha dịkwuo elu.

- A pụkwara iji Monomethyl dodecanedioate mee ihe dị ka akụrụngwa maka njikọ organic, dị ka ịkwadebe agbaze, fluorescents, ndị na-agbaze na plasticizers.

 

Usoro:

A na-eme nkwadebe nke monomethyl dodecanedioate site na usoro ndị a:

1. Tinye dodecanedioic acid na methanol na reactor.

2. Mmeghachi omume esterification na okpomọkụ kwesịrị ekwesị na nrụgide na-achọkarị ọnụnọ nke ihe na-eme ka ọkpụkpụ dị ka sulfuric acid ma ọ bụ hydrochloric acid.

3. Mgbe njedebe nke mmeghachi omume ahụ gasịrị, a na-ekewa ngwaahịa ahụ ma dị ọcha site na nzacha ma ọ bụ distillation.

 

Ozi nchekwa:

- Zere iku ume, kọntaktị na akpụkpọ ahụ na anya. Ekwesịrị iyi ihe nchebe kwesịrị ekwesị dị ka uwe aka, ugogbe nchekwa, na uwe nchebe mgbe a na-arụ ọrụ.

- Zere ịkpọtụrụ ndị ọrụ oxidizing siri ike n'oge nchekwa na njem iji zere ọkụ na mgbawa.

- Mgbe ị na-edozi ma na-ekpofu ihe mkpofu, soro iwu na iwu obodo dị mkpa, ma kpofuo ihe mkpofu nke ọma.


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