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

Ngwongwo kemịkalụ:

Usoro ihe omimi C6H6
Molar Mass 78.11
Njupụta 0.874 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze 5.5C (ọkụ)
Ebe Boling 80 Celsius C (ọkụ)
Ebe mgbari 12°F
Mmiri Solubility 0.18 g / 100 ml
Solubility A na-ejikọta ya na mmanya, chloroform, dichloromethane, diethyl ether, acetone na acetic acid.
Uzuoku nrịbama 166 mm Hg (37.7 Celsius C)
Uzuoku Njupụta 2.77 (na ikuku)
Ọdịdị Mmiri mmiri
Agba APHA: ≤10
Isi Agba-dị ka isi ísì dị ka 12 ppm
Oke ngosi TLV-TWA 10 ppm (~32 mg/m3) (ACGIHand OSHA); ụlọ 25 ppm (~ 80 mg / m3) (OSHA na MSHA); kacha elu 50 ppm (~160mg/m3)/10 min/8 h (OSHA); carcinogenicity: Carcinogen mmadụ enyo enyo (ACGIH), zuru oke mmadụ Ev
Ogologo ikuku kacha (λ kacha) ['λ: 280 nm Amax: 1.0',
, 'λ: 290 nm Amax: 0.15',
, 'λ: 300 nm Amax: 0.06',
, 'λ: 330
Merck 14,1066
BRN 969212
pKa 43 (na 25 ℃)
Ọnọdụ Nchekwa okpomọkụ ụlọ
Nkwụsi ike Kwụsie ike. Ihe ndị a ga-ezere na-agụnye ihe ndị na-emepụta ihe na-ekpo ọkụ, sulfuric acid, nitric acid, halogens. Na-agba ọkụ nke ukwuu.
Oke ihe mgbawa 1.4-8.0% (V)
Ntụgharị uche n20/D 1.501 (ọkụ)
Njirimara anụ ahụ na kemịkalụ Arọ Molecular: 78.11
Ebe mgbaze: 5.51 ℃
Isi ihe na-esi ísì: 80.1 ℃
Njupụta mmiri (20 ℃): 879.4/m3
njupụta gas: 2.770/m3
njupụta ikwu (38 ℃, Ikuku = 1): 1.4
okpomọkụ nke gasification (25 ℃): 443.62kJ / kg
(80.1 ℃) okpomọkụ dị egwu: 394.02 ℃
nrụgide dị egwu: 4898kPa
njupụta dị egwu: 302kg/m3
ike okpomọkụ kpọmkwem (gas, 90 ℃, 101.325kPa): 288.94 kJ / kg
cp = 1361.96kJ/(kg.K) Cv = 1238.07kJ/(kg.K)
(mmiri, 5 Celsius c): 1628.665kJ/(kg.K)
(mmiri, 20 Celsius c): 1699.841kJ/(kg.K)
Oke okpomọkụ akọwapụtara: (gas, 90 ℃, 101.325kPa): Cp/Cv = 1.10
uzuoku mgbali (26.1 ℃): 13.33kPa
viscosity (20 ℃): 0.647MPA. s
elu esemokwu (kọntaktị na ikuku, 0 ℃): 31.6mN/m
conductivity thermal (12 ℃, mmiri mmiri): 0.13942W/(mK)
(0 Celsius c, mmiri mmiri,): 0.0087671W/(mK)
Ntụgharị ntụgharị (20 ℃): nD = 14462
ntụpọ ọkụ: -11 ℃
mgbanye ọkụ: 562.2 ℃
oke mgbawa: 1.3% -7.1%
mgbawa kacha elu: 9kg/cm2
itinye uche kacha mgbawa: 3.9%
Ntinye uche kacha mfe ọkụ: 5%
ọkụ ọkụ (mmiri mmiri, 25 ℃): 3269.7KJ/mol
ogo toxicity: 2
Ọkwa ire ọkụ: 3
ọkwa mgbawa: 0benzene bụ mmiri mmiri na-agbanwe agbanwe na-enweghị agba nke nwere isi ísì na okpomọkụ na nrụgide nkịtị. Nwere ike ịhapụ uzuoku na-egbu egbu. Benzene bụ ngwakọta nke na-adịghị mfe ire ere. Mgbe ọ na-emeghachi omume na ihe ndị ọzọ kemịkal, usoro ya bụ isi anaghị agbanwe agbanwe, ọ bụ naanị hydrogen atom na mgbanaka benzene ka ndị ọzọ nọchiri anya ya. Uzuoku nke benzene nwere ike ịmepụta ngwakọta ihe mgbawa na ikuku. Liquid Benzene dị mfe karịa mmiri, mana uzuoku ya dị arọ karịa ikuku. Ọ dị nnọọ mfe ime ka mgbawa ọkụ na mgbawa na ihu ọkụ dị elu ma ọ bụ ọkụ ọkụ. Uzuoku Benzene nwere ike ịgbasa n'ebe dị anya, zute isi mmalite mgbanye na mgbanye ọkụ, yana ire ọkụ n'akụkụ ọ na-agbaghachi azụ. Benzene na-adịkarị mfe maka ọgbọ na mkpokọta ọkụ eletrik. Mmeghachi omume nke benzene na kọntaktị na oxidant siri ike. Benzene bụ ihe a na-adịghị ahụkebe na mmiri, mana ọ na-agbaze na mmanya, ether, acetone, chloroform, petrol, carbon disulfide na ihe mgbaze ndị ọzọ.
Jiri Ngwa ngwa kemịkalụ bụ isi, nke ejiri dị ka ihe mgbaze na ihe nrụpụta benzene sịntetik, ngwa nri, akwa, plastik, ọgwụ, mgbawa, rọba, wdg.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R45 - nwere ike ibute ọrịa kansa
R46 - nwere ike ibute mmebi mkpụrụ ndụ ihe nketa
R11 - Na-agba ọkụ nke ukwuu
R36 / 38 - na-akpasu anya na akpụkpọ ahụ.
R48/23/24/25 -
R65 - Emerụ: Nwere ike imebi ngụgụ ma ọ bụrụ na iloro ya
R39/23/24/25 -
R23/24/25 - Na-egbu egbu site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na iloro ya.
Nkọwapụta nchekwa S53 – Zere ikpughe – nweta ntuziaka pụrụ iche tupu ojiji.
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka.
S16 - Wepụ ya na isi mmalite nke mgbanye.
S7 - Debe akpa ahụ nke ọma.
NJ UN UN 1114 3/PG2
WGK Germany 3
RTECS CY140000
FLUKA BRAND F CODES 3-10
TSCA Ee
Koodu HS 2902 20 00
Klas Hazard 3
Otu nkwakọ ngwaahịa II
Nsi LD50 n'ọnụ n'ime oke ndị toro eto: 3.8 ml/kg (Kimura)

 

Okwu mmalite

Benzene bụ mmiri mmiri na-enweghị agba na nke na-enweghị isi nke nwere isi ísì pụrụ iche. Ihe na-esonụ bụ mmalite nke njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke benzene:

 

Ogo:

1. Benzene bụ nke ukwuu na-agbanwe agbanwe na ọkụ, ma nwee ike ịmepụta ngwakọta mgbawa na oxygen na ikuku.

2. Ọ bụ ihe mgbaze nke nwere ike igbari ọtụtụ ihe ndị dị ndụ, ma ọ bụ ihe na-adịghị edozi na mmiri.

3. Benzene bụ conjugated aromatic compound na kwụsiri ike chemical Ọdịdị.

4. Njirimara kemịkalụ nke benzene kwụsiri ike na ọ dịghị mfe ịwakpo acid ma ọ bụ alkali.

 

Jiri:

1. A na-eji Benzene eme ihe n'ọtụtụ ebe dị ka akụrụngwa mmepụta ihe maka imepụta plastik, rọba, akwa, eriri sịntetik, wdg.

2. Ọ bụ ihe dị mkpa na-emepụta na ụlọ ọrụ petrochemical, nke a na-eji emepụta phenol, benzoic acid, aniline na ogige ndị ọzọ.

3. A na-ejikarị Benzene eme ihe dị ka ihe mgbaze maka mmeghachi omume njikọ organic.

 

Usoro:

1. A na-enweta ya dị ka ihe na-emepụta na nhazi nke mmanụ ala.

2. A na-enweta ya site na mmeghachi omume akpịrị ịkpọ nkụ nke phenol ma ọ bụ mgbawa nke coal tar.

 

Ozi nchekwa:

1. Benzene bụ ihe na-egbu egbu, na ikpughe ogologo oge ma ọ bụ iku ume nke nnukwu ikuku benzene ga-ebute nnukwu ihe ize ndụ ahụike n'ahụ mmadụ, gụnyere carcinogenicity.

2. Mgbe ị na-eji benzene, ọ dị mkpa iji nọgide na-enwe ọnọdụ ikuku dị mma iji hụ na a na-arụ ọrụ ahụ na gburugburu ebe kwesịrị ekwesị.

3. Zere mmetụ akpụkpọ ahụ na ikuku ume nke vapor benzene, ma yikwa ihe nchebe onwe onye dị ka uwe nchebe na respirators.

4. Iri ma ọ bụ ị drinkụ ihe ndị nwere benzene ga-ebute nsị, yana usoro nchekwa nchekwa kwesịrị ka edobere anya.

5. Ekwesịrị ikpochapụ benzene mkpofu na ihe mkpofu dị na benzene dịka iwu na ụkpụrụ dabara adaba iji zere mmetọ gburugburu ebe obibi na mmerụ ahụ.


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