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mankhwala

1-Butanol(CAS#71-36-3)

Chemical Property:

Molecular Formula C4H10O
Misa ya Molar 74.12
Kuchulukana 0.81 g/mL pa 25 °C (kuyatsa)
Melting Point -90 °C (kuyatsa)
Boling Point 116-118 °C (kuyatsa)
Pophulikira 95°F
Nambala ya JECFA 85
Kusungunuka kwamadzi 80 g/L (20 ºC)
Kusungunuka Zosungunuka mu DMSO
Kuthamanga kwa Vapor 6.7 hPa (20 °C)
Kuchuluka kwa Vapor 2.55 (vs mpweya)
Maonekedwe White ufa
Mtundu APHA: ≤10
Kununkhira Mowa-ngati; chakupha; wamphamvu; khalidwe; chidakwa chochepa, chosatsalira.
Malire Owonetsera TLV-TWA 300 mg/m3 (100 ppm) (NIOSH), 150 mg/m3 (50 ppm) (ACGIH); IDLH 8000ppm (NIOSH).
Maximum wavelength(λmax) λ: 215 nm Amax: 1.00λ: 220 nm Amax: 0.50λ: 240 nm Amax: 0.10λ: 260 nm Amax: 0.04λ: 280-400 nm Amax:
Merck 14,1540
Mtengo wa BRN 969148
pKa 15.24±0.10 (Zonenedweratu)
PH 7 (70g/l, H2O, 20 ℃)
Mkhalidwe Wosungira Sungani pa +5 ° C mpaka +30 ° C.
Kukhazikika Wokhazikika. Zosagwirizana ndi ma asidi amphamvu, oxidizing amphamvu, aluminiyamu, ma asidi kloridi, acid anhydrides, mkuwa, aloyi zamkuwa. Zoyaka.
Zomverera Sichinyezimira
Zophulika Malire 1.4-11.3% (V)
Refractive Index n20/D 1.399(lit.)
MDL Mtengo wa MFCD00002902
Zakuthupi ndi Zamankhwala Makhalidwe amadzimadzi opanda mtundu, ndi kukoma kwa mowa.
malo osungunuka -90.2 ℃
kutentha kwa 117.7 ℃
kachulukidwe wachibale 0.8109
refractive index 1.3993
kung'anima 35 ~ 35.5 ℃
kusungunuka pa 20 ℃ kusungunuka m'madzi 7.7% polemera, kusungunuka kwa madzi mu n-butanol kunali 20.1% polemera. Zosakaniza ndi ethanol, etha ndi zosungunulira zina organic.
Gwiritsani ntchito Amagwiritsidwa ntchito popanga butyl acetate, dibutyl phthalate ndi phosphoric acid plasticizer, amagwiritsidwanso ntchito popanga melamine resin, acrylic acid, epoxy varnish, etc.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R10 - Yoyaka
R22 - Zowopsa ngati zitamezedwa
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
R67 - Nthunzi imatha kuyambitsa kugona komanso chizungulire
R39/23/24/25 -
R23/24/25 – Poizoni pokoka mpweya, kukhudzana ndi khungu komanso kummeza.
R11 - Yoyaka Kwambiri
Kufotokozera Zachitetezo S13 - Pewani zakudya, zakumwa ndi zakudya zanyama.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
S46 - Mukamezedwa, funsani upangiri wachipatala mwachangu ndikuwonetsa chidebe kapena chizindikirochi.
S7/9 -
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
S16 - Khalani kutali ndi magwero oyatsira.
S7 - Sungani chidebe chotsekedwa mwamphamvu.
Ma ID a UN UN 1120 3/PG 3
WGK Germany 1
Mtengo wa RTECS EO1400000
TSCA Inde
HS kodi 2905 13 00
Kalasi Yowopsa 3
Packing Group III
Poizoni LD50 pamlomo makoswe: 4.36 g/kg (Smyth)

 

Mawu Oyamba

N-butanol, yomwe imadziwikanso kuti butanol, ndi organic pawiri, ndi madzi opanda mtundu okhala ndi fungo lachilendo la mowa. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha n-butanol:

 

Ubwino:

1. Maonekedwe athupi: Ndi madzi opanda mtundu.

2. Chemical katundu: Ikhoza kusungunuka m'madzi ndi organic solvents, ndipo ndi pawiri polar pawiri. Itha kukhala oxidized ku butyraldehyde ndi butyric acid, kapena imatha kuchepetsedwa kuti ipange butene.

 

Gwiritsani ntchito:

1. Kugwiritsa ntchito mafakitale: Ndizosungunulira zofunika kwambiri ndipo zimakhala ndi ntchito zambiri zomwe zimagwiritsidwa ntchito pamakampani opanga mankhwala monga zokutira, inki, ndi zotsukira.

2. Kugwiritsa ntchito mu labotale: Itha kugwiritsidwa ntchito ngati chosungunulira kukopa mapuloteni a helical, ndipo nthawi zambiri amagwiritsidwa ntchito poyesa zamankhwala kuti apangitse zomwe zimachitika.

 

Njira:

1. Butylene hydrogenation: Pambuyo pa hydrogenation reaction, butene imayendetsedwa ndi haidrojeni pamaso pa chothandizira (monga nickel catalyst) kuti ipeze n-butanol.

2. Kutaya madzi m'thupi: butanol imayendetsedwa ndi ma acid amphamvu (monga concentrated sulfuric acid) kuti apange butene pogwiritsa ntchito madzi m'thupi, ndiyeno butene ndi hydrogenated kuti apeze n-butanol.

 

Zambiri Zachitetezo:

1. Ndi madzi oyaka moto, pewani kukhudzana ndi gwero la moto, ndipo khalani kutali ndi moto wotseguka ndi malo otentha kwambiri.

3. Lili ndi kawopsedwe kena, pewani kukhudza khungu ndi maso, ndipo pewani kutulutsa mpweya wake.

4. Posunga, ziyenera kusungidwa pamalo otsekedwa, kutali ndi ma oxygen ndi magwero a moto, ndi kusungidwa kutentha kutentha.


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