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umkhiqizo

I-Benzol;i-Benzol Phenyl hydride Cyclohexatriene Coalnaphtha;Phene (CAS#71-43-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula C6H6
I-Molar Mass 78.11
Ukuminyana 0.874 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point 5.5 °C (okhanyisiwe)
I-Boling Point 80 °C (okhanyisiwe)
I-Flash Point 12°F
Ukuncibilika kwamanzi 0.18 g/100 mL
Ukuncibilika Kuhlanganiswe notshwala, i-chloroform, i-dichloromethane, i-diethyl ether, i-acetone ne-acetic acid.
I-Vapor Presure 166 mm Hg ( 37.7 °C)
I-Vapor Density 2.77 (vs air)
Ukubukeka Uketshezi
Umbala I-APHA: ≤10
Iphunga Iphunga elifana nelikapende elincanyana liyabonakala ngo-12 ppm
Umkhawulo Wokuchayeka I-TLV-TWA 10 ppm (~32 mg/m3) (ACGIHand OSHA); uphahla 25 ppm (~80 mg/m3)(OSHA kanye ne-MSHA); inani eliphakeme elingu-50 ppm (~160mg/m3)/10 min/8 h (OSHA); i-carcinogenicity:I-Carcinogen Yomuntu Okusolwayo (ACGIH),I-Human Ev
Ubukhulu be-wavelength(λmax) ['λ: 280 nm Amax: 1.0',
, 'λ: 290 nm Amax: 0.15',
, 'λ: 300 nm Amax: 0.06',
, : 330
I-Merck 14,1066
I-BRN 969212
pKa 43(ku-25℃)
Isimo Sesitoreji izinga lokushisa legumbi
Ukuzinza Izinzile. Izinto okufanele zigwenywe zihlanganisa ama-oxidizing aqinile, i-sulfuric acid, i-nitric acid, ama-halogen. Ivutha kakhulu.
Umkhawulo Oqhumayo 1.4-8.0%(V)
I-Refractive Index n20/D 1.501(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Isisindo se-molecule: 78.11
Indawo Encibilikayo: 5.51 ℃
Indawo yokubilisa: 80.1 ℃
ukuminyana koketshezi (20 ℃): 879.4/m3
ukuminyana kwegesi: 2.770/m3
ukuminyana kwesihlobo (38 ℃, Air = 1): 1.4
ukushisa kwe-gasification (25 ℃): 443.62kJ/kg
(80.1 ℃) izinga lokushisa elibucayi: 394.02 ℃
ingcindezi ebalulekile: 4898kPa
ukuminyana okubalulekile: 302kg/m3
umthamo wokushisa othize (igesi, 90 ℃,101.325kPa): 288.94 kJ/kg
cp = 1361.96kJ/(kg.K) Cv = 1238.07kJ/(kg.K)
(uketshezi, 5 °c): 1628.665kJ/(kg.K)
(uketshezi, 20 °c): 1699.841kJ/(kg.K)
Isilinganiso sokushisa esicacisiwe: (igesi, 90 ℃,101.325kPa): Cp/Cv = 1.10
umfutho womhwamuko (26.1 ℃): 13.33kPa
i-viscosity (20 ℃): 0.647MPA. s
ukungezwani kwendawo (ukuthintwa komoya, 0 ℃): 31.6mN/m
ukuqhutshwa kwe-thermal (12 ℃, uketshezi): 0.13942W/(mK)
(0 °c, uketshezi,): 0.0087671W/(mK)
inkomba ye-refractive (20 ℃): nD = 14462
indawo ekhanyayo: -11 ℃
indawo yokuthungela: 562.2 ℃
umkhawulo wokuqhuma: 1.3% -7.1%
ukucindezela okukhulu kokuqhuma: 9kg/cm2
ukugxila kokucindezela okukhulu kokuqhuma: 3.9%
ukugxila okuvutha kalula: 5%
ukushisa okuvuthayo (uketshezi, 25 ℃): 3269.7KJ/mol
Izinga lobuthi: 2
izinga lokuvutha: 3
Izinga lokuqhuma: I-0benzene uketshezi oluguquguqukayo olungenambala olukhanyayo olunephunga elimnandi ezingeni lokushisa elivamile nokucindezela. Ingakhulula umhwamuko onobuthi. I-Benzene iyinhlanganisela okungelula ukubola. Uma ihlangana nezinye izinto zamakhemikhali, isakhiwo sayo esiyisisekelo asishintshi, yi-athomu ye-hydrogen kuphela eringini ye-benzene ethathelwa indawo amanye amaqembu. Umhwamuko we-benzene ungakha ingxube eqhumayo nomoya. I-Liquid Benzene ilula kunamanzi, kodwa umhwamuko wayo usinda kunomoya. Kulula kakhulu ukubangela ukuvutha nokuqhuma ebusweni bokushisa okuphezulu noma umlilo ovulekile. Umhwamuko weBenzene ungasakazeka kude, uhlangane nomthombo wokuthungela ekuthutheleni, kanye nelangabi eduze nokugeleza emuva. I-Benzene ijwayele ukukhiqizwa nokuqoqwa kukagesi omile. Ukusabela kwe-benzene lapho ithintana ne-oxidant kunamandla. I-Benzene ayincibiliki emanzini, kodwa incibilika otshwaleni, i-ether, i-acetone, i-chloroform, uphethiloli, i-carbon disulfide nezinye izincibilikisi eziphilayo.
Sebenzisa Izinto zokusetshenziswa zamakhemikhali eziyisisekelo, ezisetshenziswa njengezincibilikisi nezinto eziphuma ku-benzene zokwenziwa, izinongo, odayi, amapulasitiki, amakhemisi, iziqhumane, irabha, njll.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R45 – Ingabangela umdlavuza
R46 - Ingabangela ukulimala kofuzo
I-R11 – Ivutha Kakhulu
R36/38 – Ukucasuka emehlweni nasesikhumbeni.
R48/23/24/25 -
R65 – Iyingozi: Ingadala umonakalo wamaphaphu uma igwinyisiwe
R39/23/24/25 -
R23/24/25 – Kunobuthi ngokuhogela, ukuthintana nesikhumba futhi uma ugwinywe.
Incazelo Yokuphepha S53 – Gwema ukuchayeka – thola imiyalelo ekhethekile ngaphambi kokuyisebenzisa.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
I-S36/37 – Gqoka izingubo zokuzivikela ezifanele namagilavu.
S16 – Zigcine kude nemithombo yokuthungela.
I-S7 – Gcina isitsha sivalwe ngokuqinile.
Ama-ID e-UN UN 1114 3/PG 2
I-WGK Germany 3
I-RTECS CY1400000
AMAKHODI E-FLUKA BRAND F 3-10
I-TSCA Yebo
Ikhodi ye-HS 2902 20 00
I-Hazard Class 3
Iqembu Lokupakisha II
Ubuthi I-LD50 ngomlomo kumagundane amadala: 3.8 ml/kg (Kimura)

 

Isingeniso

I-Benzene iwuketshezi olungenambala futhi olusobala olunephunga elimnandi elikhethekile. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungisa kanye nolwazi lokuphepha lwe-benzene:

 

Ikhwalithi:

1. I-Benzene iguquguquka kakhulu futhi iyasha, futhi ingakha ingxube eqhumayo enomoya-mpilo emoyeni.

2. Kuyi-solvent ephilayo engancibilikisa izinto eziningi eziphilayo, kodwa ayincibiliki emanzini.

3. I-Benzene iyinhlanganisela ephunga elimnandi enesakhiwo samakhemikhali esizinzile.

4. Amakhemikhali e-benzene azinzile futhi akulula ukuhlaselwa yi-asidi noma i-alkali.

 

Sebenzisa:

1. I-Benzene isetshenziswa kabanzi njengento eluhlaza yezimboni ekwenzeni amapulasitiki, irabha, odayi, imicu yokwenziwa, njll.

2. Iwukuphuma okubalulekile embonini ye-petrochemical, esetshenziselwa ukwenza i-phenol, i-benzoic acid, i-aniline nezinye izinhlanganisela.

3. I-Benzene ibuye isetshenziswe ngokujwayelekile njengesinyibilikisi sokusabela kwe-organic synthesis.

 

Indlela:

1. Itholakala njengomkhiqizo owenziwe ekucwengisweni kwe-petroleum.

2. Itholakala ngokusabela kokuphelelwa amanzi emzimbeni kwe-phenol noma ukuqhekeka kwetiyela lamalahle.

 

Ulwazi Lokuphepha:

1. I-Benzene iwubuthi, futhi ukuchayeka noma ukuhogela isikhathi eside komhwamuko we-benzene kuzodala izingozi ezinkulu zempilo emzimbeni womuntu, okuhlanganisa ne-carcinogenicity.

2. Uma usebenzisa i-benzene, kuyadingeka ukugcina izimo ezinhle zokungenisa umoya ukuze uqinisekise ukuthi ukusebenza kwenziwa endaweni efanele.

3. Gwema ukuthintana kwesikhumba kanye nokuhogela umhwamuko we-benzene, futhi ugqoke izinto zokuzivikela ezifana namagilavu ​​okuzivikela nezinsimbi zokuphefumula.

4. Ukudla noma ukuphuza izinto ezine-benzene kuzoholela ebuthini, futhi izinqubo zokuphepha kufanele zibhekwe ngokuqinile.

5. Imfucuza ye-benzene kanye nemfucuza ebandakanyeka ku-benzene kufanele ilahlwe ngokuhambisana nemithetho nemithethonqubo efanele ukuze kugwenywe ukungcoliswa kwemvelo kanye nokulimala.


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