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mankhwala

Benzyl mowa (CAS # 100-51-6)

Chemical Property:

Molecular Formula C7H8O
Misa ya Molar 108.14
Kuchulukana 1.045g/mLat 25°C(lat.)
Melting Point -15 ° C
Boling Point 205 ° C
Pophulikira 201°F
Nambala ya JECFA 25
Kusungunuka kwamadzi 4.29 g/100 mL (20 ºC)
Kusungunuka H2O: 33mg/mL, zomveka, zopanda mtundu
Kuthamanga kwa Vapor 13.3 mm Hg (100 °C)
Kuchuluka kwa Vapor 3.7 (vs mpweya)
Maonekedwe Madzi
Mtundu APHA: ≤20
Kununkhira Wofatsa, wosangalatsa.
Malire Owonetsera Palibe malire owonetsera omwe akhazikitsidwa. Chifukwa cha kutsika kwake kwa nthunzi komanso kawopsedwe wochepa, chiwopsezo cha thanzi kwa anthu chifukwa chokhudzidwa ndi ntchito chiyenera kukhala chochepa kwambiri.
Merck 14,1124
Mtengo wa BRN 878307
pKa 14.36±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pa +2 ° C mpaka +25 ° C.
Zophulika Malire 1.3-13% (V)
Refractive Index n20/D 1.539(lit.)
Zakuthupi ndi Zamankhwala Khalidwe: madzi owonekera opanda mtundu. Fungo lonunkhira pang'ono.kusungunuka: kusungunuka pang'ono m'madzi, kusakanikirana ndi ethanol, etha ndi chloroform.
Gwiritsani ntchito Pakuti yokonza maluwa mafuta ndi mankhwala, etc., komanso ntchito monga zosungunulira ndi fixative wa zonunkhira; Amagwiritsidwa ntchito ngati zosungunulira, plasticizers, preservatives, ndi ntchito popanga zonunkhira, sopo, mankhwala, utoto, etc.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R20/22 - Zowopsa pokoka mpweya komanso ngati zitamezedwa.
R63 - Chiwopsezo chotheka kuvulaza mwana wosabadwa
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R23/24/25 – Poizoni pokoka mpweya, kukhudzana ndi khungu komanso kummeza.
R45 - Angayambitse khansa
R40 - Umboni wochepa wa zotsatira za carcinogenic
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S23 - Osapuma mpweya.
S53 - Pewani kuwonekera - pezani malangizo apadera musanagwiritse ntchito.
Ma ID a UN UN 1593 6.1/PG 3
WGK Germany 1
Mtengo wa RTECS DN3150000
FLUKA BRAND F CODES 8-10-23-35
TSCA Inde
HS kodi 29062100
Poizoni LD50 pamlomo makoswe: 3.1 g/kg (Smyth)

 

Mawu Oyamba

Benzyl mowa ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha mowa wa benzyl:

 

Ubwino:

- Maonekedwe: Mowa wa benzyl ndi madzi opanda mtundu mpaka achikasu.

- Kusungunuka: Imasungunuka pang'ono m'madzi ndipo imasungunuka kwambiri mu zosungunulira monga ethanol ndi ethers.

- Kulemera kwa molekyulu: Kulemera kwa molekyulu ya benzyl mowa ndi 122.16.

- Kutentha: Mowa wa benzyl ndi wokhoza kuyaka ndipo uyenera kusungidwa kutali ndi moto wotseguka komanso kutentha kwambiri.

 

Gwiritsani ntchito:

- Zosungunulira: Chifukwa cha kusungunuka kwake kwabwino, mowa wa benzyl umagwiritsidwa ntchito ngati zosungunulira organic, makamaka mumakampani opanga utoto ndi zokutira.

 

Njira:

- Mowa wa benzyl utha kukonzedwa ndi njira ziwiri zodziwika bwino:

1. Mwa alcohololysis: Benzyl mowa akhoza kupangidwa ndi zimene sodium benzyl mowa ndi madzi.

2. Benzaldehyde hydrogenation: benzaldehyde ndi hydrogenated ndipo amachepetsedwa kuti apeze mowa wa benzyl.

 

Zambiri Zachitetezo:

- Mowa wa benzyl ndi organic, ndipo uyenera kuchitidwa mosamala kuti usakhudze maso, khungu, ndi kumwa.

- Mukakhudzana mwangozi, sambitsani malo omwe akhudzidwawo ndi madzi ambiri ndikupita kuchipatala.

- Kukoka mpweya wa benzyl mowa kungayambitse chizungulire, kupuma movutikira ndi zina, motero malo ogwirira ntchito amayenera kusamalidwa.

- Mowa wa benzyl ndi chinthu choyaka moto ndipo uyenera kusungidwa pamalo ozizira, opanda mpweya wabwino, kutali ndi moto wotseguka komanso kutentha kwambiri.

- Mukamagwiritsa ntchito mowa wa benzyl, tsatirani njira zoyendetsera chitetezo ndi njira zodzitetezera.


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