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Dimethylmalonic acid (CAS# 595-46-0)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H8O4
Molar Mass 132.11
Njupụta 1.5633 (atụmatụ siri ike)
Ebe Na-agbaze 191-193 Celsius C (ọkụ)
Ebe Boling 292.77C (atụmatụ siri ike)
Ebe mgbari 155.6°C
Mmiri Solubility 90g/L (13ºC)
Solubility soluble na methanol
Uzuoku nrịbama 0.000135mmHg na 25°C
Ọdịdị Ọcha ọcha siri ike
Agba Ọcha ka ọ fọrọ nke nta ka ọ bụrụ ọcha
BRN 774375
pKa 3.15 (na 25 ℃)
Ọnọdụ Nchekwa 2-8 Celsius C
Ntụgharị uche 1.4016 (atụmatụ)
MDL MFCD00004193

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu 36/37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
WGK Germany 3
Koodu HS 29171900
Klas Hazard Iwe

 

Okwu mmalite

Dimethylmalonic acid (nke a makwaara dị ka succinic acid) bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke dimethylmalonic acid:

 

Ogo:

- Ọdịdị: Dimethylmalonic acid bụ kristal na-enweghị ụcha ma ọ bụ ntụ ntụ ọcha.

- Solubility: Soluble na ihe mgbaze nkịtị dị ka mmiri, ethanol na ether.

 

Jiri:

- Dị ka ụlọ ọrụ mmepụta ihe: Enwere ike iji ya mee ka resins polyester, ihe mgbaze, mkpuchi na glues.

 

Usoro:

- A na-enweta usoro a na-ahụkarị maka nkwadebe nke dimethylmalonic acid site na hydroformylation nke mgbakwunye ethylene. Nzọụkwụ a kapịrị ọnụ bụ hydrogenate ethylene nwere formic acid ka ọ mepụta glycolic acid, wee gaa n'ihu mmeghachi omume esterification n'etiti glycolic acid na formic acid iji nweta ngwaahịa ikpeazụ dimethylmalonic acid.

 

Ozi nchekwa:

- Dimethylmalonic acid adịghị egbu egbu, mana ekwesịrị ka kpachara anya ka ọ gbasoo usoro arụ ọrụ dị mma na ụlọ nyocha na ebe nrụpụta.

- Gbochie ikuku ume nke uzuzu ma ọ bụ kọntaktị na akpụkpọ na anya mgbe ị na-eji ya, ma yikwa ngwa nchebe kwesịrị ekwesị (dịka, uwe aka na anya).

- Ọ bụrụ na kọntaktị na mberede, kpochaa ebe ahụ emetụtara ozugbo na ọtụtụ mmiri ma chọọ enyemaka ahụike ma ọ bụrụ na ọ dị mkpa.


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