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

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C6H6
Molar Mass 78.11
Yawan yawa 0.874 g/ml a 25 °C (lit.)
Matsayin narkewa 5.5C (latsa wuta)
Matsayin Boling 80 ° C (latsa)
Wurin Flash 12°F
Ruwan Solubility 0.18 g/100 ml
Solubility Ya bambanta da barasa, chloroform, dichloromethane, diethyl ether, acetone da acetic acid.
Tashin Turi 166 mm Hg (37.7 ° C)
Yawan Turi 2.77 (Vs iska)
Bayyanar Ruwa
Launi Saukewa: ≤10
wari Paint-bakin ciki-kamar wari ana iya ganowa a 12 ppm
Iyakar Bayyanawa TLV-TWA 10 ppm (~32 mg/m3) (ACGIHand OSHA); rufi 25 ppm (~80 mg/m3) (OSHA da MSHA); mafi girma 50 ppm (~160mg/m3)/10 min/8 h (OSHA); ciwon daji: Wanda ake zargin Carcinogen na ɗan adam (ACGIH), Isar ɗan Adam Ev
Matsakaicin zango (λmax) ['λ: 280 nm Amax: 1.0',
, 'λ: 290 nm Amax: 0.15',
, 'λ: 300 nm Amax: 0.06',
,': 330
Merck 14,1066
BRN 969212
pKa 43 (a 25 ℃)
Yanayin Ajiya dakin zafi
Kwanciyar hankali Barga. Abubuwan da za a guje wa sun haɗa da magungunan oxidizing masu ƙarfi, sulfuric acid, nitric acid, halogens. Mai ƙonewa sosai.
Iyakar fashewa 1.4-8.0% (V)
Fihirisar Refractive n20/D 1.501 (lit.)
Abubuwan Jiki da Sinadarai Nauyin Kwayoyin: 78.11
Matsayin narkewa: 5.51 ℃
Tushen tafasa: 80.1 ℃
yawan ruwa (20 ℃): 879.4/m3
yawan iskar gas: 2.770/m3
yawan dangi (38 ℃, Air = 1): 1.4
zafi na gasification (25 ℃): 443.62kJ/kg
(80.1 ℃) zafin jiki mai mahimmanci: 394.02 ℃
matsa lamba mai mahimmanci: 4898kPa
m yawa: 302kg/m3
takamaiman ƙarfin zafi (gas, 90 ℃, 101.325kPa): 288.94 kJ/kg
cp = 1361.96kJ/(kg.K) Cv = 1238.07kJ/(kg.K)
(ruwa, 5°c): 1628.665kJ/(kg.K)
(ruwa, 20 °c): 1699.841kJ/ (kg.K)
Ƙayyadaddun yanayin zafi: (gas, 90 ℃, 101.325kPa): Cp/Cv = 1.10
tururi matsa lamba (26.1 ℃): 13.33kPa
danko (20 ℃): 0.647MPA. s
Tashin hankali (lamba da iska, 0 ℃): 31.6mN/m
thermal watsin (12 ℃, ruwa): 0.13942W/(mK)
(0 °c, ruwa,): 0.0087671W/ (mK)
Fihirisar refractive (20 ℃): nD = 14462
baturi: -11 ℃
Wutar wuta: 562.2 ℃
iyakar fashewa: 1.3% -7.1%
matsakaicin matsa lamba: 9kg/cm2
Matsakaicin matsakaicin matsa lamba: 3.9%
Mafi sauƙin ƙonewa taro: 5%
zafi konewa (ruwa, 25 ℃): 3269.7KJ/mol
matakin guba: 2
matakin flammability: 3
matakin fashewa: 0benzene ruwa ne mai canzawa mara launi mara launi tare da kamshi mai kamshi a yanayin zafi na al'ada da matsa lamba. Zai iya sakin tururi mai guba. Benzene wani fili ne wanda ba shi da sauƙin rubewa. Lokacin da yake amsawa da wasu sinadarai, tsarinsa na asali ba ya canzawa, kawai hydrogen atom a cikin zoben benzene ne ake maye gurbinsu da wasu kungiyoyi. Turin benzene zai iya haifar da wani abu mai fashewa da iska. Liquid Benzene ya fi ruwa wuta, amma tururinsa ya fi iska nauyi. Abu ne mai sauqi don haifar da konewa da fashewa a fuskar zafi mai zafi ko bude wuta. Turin Benzene na iya yaduwa mai nisa, saduwa da tushen kunna wuta akan kunnawa, da kuma harshen wuta tare da kwarara baya. Benzene yana da saurin haɓakawa da tara wutar lantarki. Halin benzene a cikin hulɗa da oxidant yana da tsanani. Benzene ba ya narkewa a cikin ruwa, amma mai narkewa a cikin barasa, ether, acetone, chloroform, fetur, carbon disulfide da sauran kaushi na halitta.
Amfani Kayan kayan masarufi na asali, ana amfani da su azaman kaushi da abubuwan da aka samo asali na benzene, kayan yaji, rini, robobi, magunguna, fashewa, roba, da sauransu.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R45 - Yana iya haifar da ciwon daji
R46 - Yana iya haifar da lalacewar kwayoyin halitta
R11 - Mai ƙonewa sosai
R36 / 38 - Iriting ga idanu da fata.
R48/23/24/25 -
R65 - Mai cutarwa: Zai iya haifar da lalacewar huhu idan an haɗiye shi
R39/23/24/25 -
R23/24/25 - Mai guba ta numfashi, a cikin hulɗa da fata kuma idan an haɗiye shi.
Bayanin Tsaro S53 – Guji fallasa – sami umarni na musamman kafin amfani.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
S36/37 - Sanya tufafin kariya da safar hannu masu dacewa.
S16 - Ka nisantar da tushen wuta.
S7 – Rike akwati a rufe sosai.
ID na UN UN 1114 3/PG 2
WGK Jamus 3
RTECS Saukewa: CY140000
FLUKA BRAND F CODES 3-10
Farashin TSCA Ee
HS Code 2902 2000
Matsayin Hazard 3
Rukunin tattarawa II
Guba LD50 da baki a cikin ƙananan berayen manya: 3.8 ml/kg (Kimura)

 

Gabatarwa

Benzene ruwa ne mara launi kuma bayyananne tare da wari na musamman. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na benzene:

 

inganci:

1. Benzene yana da rauni sosai kuma yana iya ƙonewa, kuma yana iya haifar da wani abu mai fashewa tare da iskar oxygen a cikin iska.

2. Kaushi ne na halitta wanda zai iya narkar da kwayoyin halitta da yawa, amma ba ya narkewa a cikin ruwa.

3. Benzene wani fili ne mai kamshi mai haɗaɗɗiya tare da tsayayyen tsarin sinadarai.

4. Abubuwan sinadarai na benzene suna da ƙarfi kuma ba su da sauƙi a kai musu hari ta hanyar acid ko alkali.

 

Amfani:

1. Benzene ana amfani dashi sosai azaman albarkatun masana'antu don kera robobi, roba, dyes, fibers na roba, da sauransu.

2. Yana da mahimmanci mai mahimmanci a masana'antar petrochemical, ana amfani dashi don kera phenol, benzoic acid, aniline da sauran mahadi.

3. Benzene kuma ana amfani da shi azaman sauran ƙarfi don haɓakar ƙwayoyin halitta.

 

Hanya:

1. Ana samun shi azaman samfuri a cikin aikin tace man fetur.

2. Ana samun shi ta hanyar rashin ruwa na phenol ko fashewar kwal.

 

Bayanin Tsaro:

1. Benzene wani abu ne mai guba, kuma dogon lokacin da aka yi shi ko kuma shakar babban tururin benzene zai haifar da mummunar haɗari ga lafiyar jikin mutum, ciki har da ciwon daji.

2. Lokacin amfani da benzene, wajibi ne don kula da yanayin samun iska mai kyau don tabbatar da cewa an gudanar da aikin a cikin yanayin da ya dace.

3. Guji cudanya da fata da shakar benzene tururi, da kuma sanya kayan kariya kamar safar hannu da na numfashi.

4. Cin ko shan abubuwan da ke kunshe da benzene zai haifar da guba, kuma ya kamata a kiyaye matakan tsaro sosai.

5. Ya kamata a zubar da sharar benzene da sharar da ke cikin benzene daidai da dokoki da ka'idojin da suka dace don guje wa gurɓatar muhalli da cutarwa.


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