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Methyl butyrate (CAS#623-42-7)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H10O2
Molar Mass 102.13
Njupụta 0.898 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze -85–84°C
Ebe Boling 102-103 Celsius C (ọkụ)
Ebe mgbari 53°F
Nọmba JECFA 149
Mmiri Solubility Na-agbaze ntakịrị na mmiri.
Solubility mmiri: soluble60 akụkụ
Uzuoku nrịbama 40 mm Hg (30 Celsius C)
Uzuoku Njupụta 3.5 (vs ikuku)
Ọdịdị Mmiri mmiri
Agba Kpochapụ enweghị agba ka ọ dị ntakịrị odo odo
Merck 14,6035
BRN 1740743
Ọnọdụ Nchekwa Mpaghara ọkụ
Nkwụsi ike Kwụsie ike. Enwere ike ire ọkụ. Ekwekọrịtaghị na ntọala siri ike, ndị ọrụ oxidizing siri ike.
Oke ihe mgbawa 1.6% (V)
Ntụgharị uche n20/D 1.385(ọkụ)
Njirimara anụ ahụ na kemịkalụ Mmiri mmiri na-enweghị agba. Apụl na cheese cheese, ịta ihe na-erughị 100 mg/kg banana na painiapulu isi. Ebe a na-esi esi bụ 102 Celsius C, ebe ọkụ ọkụ bụ 14 Celsius C, ntinye ntụgharị (nD20) bụ 1.3873, na njupụta nke ikwu (d2525) bụ 0.8981. Miscible na ethanol na ether, ntakịrị soluble na mmiri (1:60). A na-achọta ngwaahịa ndị sitere n'okike na ihe ọṅụṅụ mkpụrụ osisi grepu, ihe ọṅụṅụ apụl, jackfruit, kiwi, mushrooms, wdg.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R20 - na-emerụ ahụ site na iku ume
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R11 - Na-agba ọkụ nke ukwuu
Nkọwapụta nchekwa S16 - Wepụ ya na isi mmalite nke mgbanye.
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S33 – Kpachara anya megide mwepu kwụ ọtọ.
S29 - Awụsala n'ime mmiri mmiri.
S9 - Debe akpa na ebe ikuku na-ekpo ọkụ.
NJ UN UN 1237 3/PG2
WGK Germany 2
RTECS ET550000
FLUKA BRAND F CODES 13
TSCA Ee
Koodu HS 29156000
Klas Hazard 3
Otu nkwakọ ngwaahịa II

 

Okwu mmalite

Methyl butyrate. Ihe na-esonụ bụ mmalite nke ụfọdụ njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke methyl butyrate:

 

Ogo:

- Methyl butyrate bụ mmiri ọkụ na-ere ọkụ nke na-adịghị enwe ike ịgbaze mmiri.

- Ọ nwere ezigbo solubility, soluble na alcohols, ethers na ụfọdụ organic solvents.

 

Jiri:

- Methyl butyrate na-ejikarị dị ka ihe mgbaze, plasticizer na diluent na mkpuchi.

- A pụkwara iji ya mee ihe dị ka onye na-emepụta ihe na-emepụta ihe maka nkwadebe nke ogige ndị ọzọ.

 

Usoro:

- Enwere ike ịkwadebe methyl butyrate site na imeghachi butyric acid na methanol n'okpuru ọnọdụ acidic. Nhazi mmeghachi omume bụ nke a:

CH3COOH + CH3OH → CH3COOCH2CH2CH3 + H2O

A na-eme mmeghachi omume ahụ site na ikpo ọkụ na ihe mkpali (dịka ọmụmaatụ, sulfuric acid ma ọ bụ ammonium sulfate).

 

Ozi nchekwa:

- Methyl butyrate bụ mmiri ọkụ na-ere ọkụ nke nwere ike na-ere ọkụ mgbe ọkụ mepere emepe, okpomọkụ dị elu, ma ọ bụ organic oxidants.

- Mmekọahụ na akpụkpọ ahụ na anya nwere ike ịkpata mgbakasị ahụ na ọkụ, ekwesịrị ịkpachapụ anya.

- Methyl butyrate nwere ụfọdụ toxicity, ya mere e kwesịrị izere ya maka ikuku ume na ịṅụ ihe mberede, ma jiri ya mee ihe n'okpuru ọnọdụ ikuku.

- Ekwesịrị ịkpachara anya iji gbochie kọntaktị na oxidants, acids na alkalis mgbe ị na-eji ma ọ bụ na-echekwa ya.

 


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