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Pyridine (CAS#110-86-1)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C5H5N
Molar Mass 79.1
Yawan yawa 0.978 g/ml a 25 °C (lit.)
Matsayin narkewa -42 ° C (lit.)
Matsayin Boling 115 ° C (launi)
Wurin Flash 68°F
Ruwan Solubility m
Solubility H2O: daidai
Tashin Turi 23.8 mm Hg (25 ° C)
Yawan Turi 2.72 (Vs iska)
Bayyanar Ruwa
Launi mara launi
wari Ana iya gano warin tashin hankali a 0.23 zuwa 1.9 ppm (ma'ana = 0.66 ppm)
Iyakar Bayyanawa TLV-TWA 5 ppm (~15 mg/m3) (ACGIH, MSHA, da OSHA); STEL 10 ppm (ACGIH), IDLH 3600 ppm (NIOSH).
Matsakaicin zango (λmax) ['λ: 305 nm Amax: 1.00',
, 'λ: 315 nm Amax: 0.15',
, 'λ: 335 nm Amax: 0.02',
,': 35
Merck 14,7970
BRN Farashin 103233
pKa 5.25 (a 25 ℃)
PH 8.81 (H2O, 20 ℃)
Yanayin Ajiya Adana a zazzabi +5°C zuwa +30°C.
Kwanciyar hankali Barga. Mai ƙonewa. Ba daidai ba tare da ma'auni mai ƙarfi mai ƙarfi, acid mai ƙarfi.
Iyakar fashewa 12.4%
Fihirisar Refractive n20/D 1.509(lit.)
Abubuwan Jiki da Sinadarai Halayen ruwan rawaya mara launi ko haske. Yana da wari mara daɗi.
tafasar batu 115.5 ℃
daskarewa batu -42 ℃
girman dangi 0.9830g/cm3
Rarraba index 1.5095
flash point 20 ℃
solubility, ethanol, acetone, ether da benzene.
Amfani An fi amfani da shi azaman albarkatun ƙasa don masana'antar harhada magunguna, ana amfani da su azaman kaushi da masu lalata barasa, amma kuma ana amfani dasu wajen samar da roba, fenti, guduro da masu hana lalata.

Cikakken Bayani

Tags samfurin

Lambobin haɗari R11 - Mai ƙonewa sosai
R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma 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.
R52 - Yana cutar da halittun ruwa
R36 / 38 - Iriting ga idanu da fata.
Bayanin Tsaro S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S38 - Idan akwai rashin isasshen iska, sanya kayan aikin numfashi masu dacewa.
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.)
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
S28A-
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S28 - Bayan haɗuwa da fata, wanke nan da nan da sabulu-suds mai yawa.
S24/25 - Guji hulɗa da fata da idanu.
S22 - Kada ku shaka kura.
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 1282 3/PG 2
WGK Jamus 2
RTECS Farashin 8400000
FLUKA BRAND F CODES 3-10
Farashin TSCA Ee
HS Code 2933 31 00
Bayanin Hazard Mai ƙonawa sosai/mai cutarwa
Matsayin Hazard 3
Rukunin tattarawa II
Guba LD50 na baka a cikin beraye: 1.58 g/kg (Smyth)

 

Gabatarwa

inganci:

1. Pyridine ruwa ne mara launi tare da kamshin benzene mai ƙarfi.

2. Yana da babban wurin tafasa da rashin ƙarfi, kuma yana iya zama mai narkewa a cikin nau'o'in kaushi na kwayoyin halitta, amma yana da wuya a narkewa cikin ruwa.

3. Pyridine abu ne na alkaline wanda ke kawar da acid a cikin ruwa.

4. Pyridine na iya samun haɗin gwiwar hydrogen tare da mahadi masu yawa.

 

Amfani:

1. Ana amfani da Pyridine sau da yawa a matsayin mai narkewa a cikin halayen halayen kwayoyin halitta, kuma yana da babban solubility don yawancin kwayoyin halitta.

2. Pyridine kuma yana da aikace-aikace a cikin kira na magungunan kashe qwari, irin su kira na fungicides da kwari.

 

Hanya:

1. Pyridine za a iya shirya ta hanyoyi daban-daban na kira, wanda aka fi amfani da shi ta hanyar raguwar hydrogenation na pyridinexone.

2. Sauran hanyoyin shirye-shirye na yau da kullum sun hada da amfani da ammonia da aldehyde mahadi, ƙarin amsawar cyclohexene da nitrogen, da dai sauransu.

 

Bayanin Tsaro:

1. Pyridine wani kaushi ne na kwayoyin halitta kuma yana da wani yanayi. Ya kamata a ba da hankali ga yanayin dakin gwaje-gwaje da ke da isasshen iska yayin amfani da shi don guje wa shakar abin da ya wuce kima.

2. Pyridine yana da ban haushi kuma yana iya haifar da lahani ga idanu, fata, da hanyoyin numfashi. Ya kamata a sanya kayan kariya da suka dace, gami da safar hannu, tabarau, da abin rufe fuska, yayin aiki.

3. Ana buƙatar matakan kariya da kulawa da ya dace ga mutanen da suka kamu da pyridine na dogon lokaci.


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