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Methyl propionate (CAS#554-12-1)

Hantida Kiimikada:

Qaanuunka molecular C4H8O2
Molar Mass 88.11
Cufnaanta 0.915 g/ml at 25 °C (iftiin)
Meesha dhalaalaysa -88 °C ( shid)
Boling Point 79 °C ( shid)
Barta Fiishka 43°F
Lambarka JECFA 141
Biyuhu milmayn 5 g/100 ml oo ah 20ºC
Solubility H2O: 16 qaybood oo milma
Uumiga Uumiga 40 mm Hg (11 °C)
Cufnaanta uumiga 3 ( vs hawada)
Muuqashada Dareere
Midabka Cad midab lahayn
Merck 14,6112
BRN 1737628
Xaalada Kaydinta Ku kaydi meel ka hooseysa +30°C.
Xasilooni Deggan Aad u guban kara Aan ku habboonayn walxaha oksaydhiyeyaasha xooggan, acids, saldhigyada. Si diyaar ah u samee walxo qarxa oo hawo leh. Qoyaanka xasaasiga ah.
Xadka Qaraxyada 2.5-13% (V)
Tusmada Dib-u-celinta n20/D 1.376 (lit.)
Tilmaamaha Jirka iyo Kiimikada Astaamaha dareeraha aan midabka lahayn, dhadhanka miraha.
dhibic dhalaalaysa -87.5 ℃
barta karkarinta 79.8 ℃
cufnaanta qaraabo 0.9150
index refractive 1.3775
dhibic flash -2 ℃
milanka, hydrocarbons iyo dareerayaasha kale ee organic qallafsan, in yar oo ku milmay biyaha.
Isticmaal Loo isticmaalo sida dawooyinka, sunta cayayaanka, Dhexdhexaadiyaha udgoonka

Faahfaahinta Alaabta

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Xeerarka Khatarta R11 - Aad u guban kara
R20 – Waxyeello bay u leedahay neefsashada
R2017/11/20 -
Sharaxaada Badbaadada S16 - Ka fogow ilaha dabka.
S24 - Iska ilaali taabashada maqaarka.
S29 - Ha ku faaruqin biyo mareennada.
S33 - Qaado tillaabooyin taxaddar leh oo ka hortagga dheecaannada taagan.
Aqoonsiga UN-ka UN 1248 3/PG 2
WGK Germany 1
RTECS UF5970000
TSCA Haa
Koodhka HS 2915 50 00
Heerka khatarta 3
Kooxda Baakadaha II
Sunta LD50 afka Bakaylaha: 5000 mg/kg

 

Hordhac

Methyl propionate, oo sidoo kale loo yaqaan methoxyacetate. Kuwa soo socdaa waa horudhac ku saabsan sifooyinka, isticmaalka, hababka diyaarinta iyo macluumaadka badbaadada ee methyl propionate:

 

Tayada:

- Muuqaalka: Methyl propionate waa dareere hufan oo aan midab lahayn oo leh udgoon gaar ah.

- Solubility: Methyl propionate waxay aad ugu milmaysaa aalkolada anhydrous-ka ah iyo dareerayaasha etherka, laakiin ku milmi yar biyaha.

 

Isticmaal:

Isticmaalka warshadaha: Methyl propionate waa dareere dabiici ah oo muhiim ah oo si weyn loogu isticmaalo daaha, khadadka, xabagta, saabuunta iyo warshadaha kale.

 

Habka:

Diyaarinta methyl propionate inta badan waa la nadiifiyaa:

CH3OH + CH3COOH → CH3COOCH2CH3 + H2O

Waxaa ka mid ah, methanol iyo acetic acid waxay ka falceliyaan ficilka kicinta si ay u sameeyaan methyl propionate.

 

Macluumaadka Badbaadada:

- Methyl propionate waa dareere guban kara, waana in laga fogeeyo ololka furan iyo kulaylka sareeyo.

- Soo-gaadhista methyl propionate waxay keeni kartaa cuncun isha iyo maqaarka, markaa waa in taxaddar la sameeyaa.

- Iska ilaali in aad neefsato uumiga methyl propionate waana in aad ka shaqeysaa meel hawo fiican leh.

- Haddii ay dhacdo in si lama filaan ah u nuugto ama neefsato, u raadi daryeel caafimaad isla markiiba.

 


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