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Pentane (CAS#109-66-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C5H12
Molar Mass 72.15
Yawan yawa 0.626g/mLat 25°C(lit.)
Matsayin narkewa -130 °C
Matsayin Boling 36 °C
Wurin Flash -57°F
Ruwan Solubility marar narkewa
Solubility ethanol: mai narkewa (lit.)
Tashin Turi 26.98 psi (55 ° C)
Yawan Turi 2.48 (Vs iska)
Bayyanar Ruwa
Takamaiman Nauyi 0.63
Launi Mara launi
wari Kamar mai.
Iyakar Bayyanawa TLV-TWA 600 ppm (~1800 mg/m3) (ACGIH), 1000 ppm (~3000 mg/m3) (OSHA), 500 ppm (~1500 mg/m3) (MSHA); STEL 750 ppm (~2250 mg/ m3) (AGIH).
Matsakaicin zango (λmax) ['λ: 200 nm Amax: ≤0.70',
, 'λ: 210 nm Amax: ≤0.20',
, 'λ: 220 nm Amax: ≤0.07',
, 'λ:
Merck 14,7116
BRN 969132
pKa > 14 (Schwarzenbach et al., 1993)
Yanayin Ajiya Adana a zazzabi +5°C zuwa +30°C.
Iyakar fashewa 1.4-8% (V)
Fihirisar Refractive n20/D 1.358
Abubuwan Jiki da Sinadarai Ruwa mara launi.
solubility dan kadan mai narkewa a cikin ethanol, mai narkewa a cikin ether da hydrocarbons.
Amfani An yafi amfani da kwayoyin sieve desorption da maye gurbin Freon a matsayin kumfa wakili, amfani da sauran ƙarfi, masana'anta wucin gadi kankara, maganin sa barci, kira na pentanol, isopentane, da dai sauransu

Cikakken Bayani

Tags samfurin

Lambobin haɗari R12 - Mai Wuta Mai Wuta
R51/53 - Mai guba ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa.
R65 - Mai cutarwa: Zai iya haifar da lalacewar huhu idan an haɗiye shi
R66 - Maimaita bayyanarwa na iya haifar da bushewar fata ko tsagewa
R67 - Tururi na iya haifar da bacci da dizziness
Bayanin Tsaro S9 - Ajiye akwati a wuri mai kyau.
S16 - Ka nisantar da tushen wuta.
S29 - Kada ku komai a cikin magudanar ruwa.
S33 - Ɗauki matakan kariya game da fitar da a tsaye.
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
S62 - Idan an haɗiye, kada ku haifar da amai; nemi shawarar likita nan da nan kuma a nuna wannan akwati ko lakabin.
ID na UN UN 1265 3/PG 2
WGK Jamus 2
RTECS RZ945000
FLUKA BRAND F CODES 3-10
Farashin TSCA Ee
HS Code Farashin 29011090
Matsayin Hazard 3
Rukunin tattarawa II
Guba LC (a cikin iska) a cikin mice: 377 mg / l (Fühner)

 

Gabatarwa

Pentane. Kaddarorinsa sune kamar haka:

Yana da ɓata tare da yawancin kaushi na halitta amma ba da ruwa ba.

 

Abubuwan Sinadarai: N-pentane shine hydrocarbon aliphatic wanda ke iya ƙonewa kuma yana da ƙaramin filasha da zafin jiki na atomatik. Ana iya ƙone shi a cikin iska don samar da carbon dioxide da ruwa. Tsarinsa yana da sauƙi, kuma n-pentane yana amsawa tare da mafi yawan mahaɗan kwayoyin halitta.

 

Amfani: N-pentane ana amfani da shi sosai a cikin gwaje-gwajen sinadarai, shirye-shiryen kaushi da gauraye, kuma yana da mahimmancin ɗanyen abu a cikin masana'antar mai.

 

Hanyar shiri: n-pentane yana samuwa ne ta hanyar fatattaka da gyarawa a cikin aikin tace man fetur. Kayayyakin man fetur da waɗannan hanyoyin ke samarwa sun ƙunshi n-pentane, waɗanda za a iya raba su kuma a tsarkake su ta hanyar distillation don samun n-pentane mai tsabta.

 

Bayanin tsaro: n-pentane ruwa ne mai ƙonewa kuma yakamata a kiyaye shi daga buɗewar wuta da yanayin zafi. Ya kamata a yi amfani da shi a cikin wuri mai kyau da kuma kauce wa hulɗa tare da magunguna masu karfi. Tsawon lokaci mai tsawo ga n-pentane na iya haifar da bushewa da bushewar fata, kuma yakamata a ɗauki matakan kariya masu dacewa kamar safar hannu da tabarau. Idan an sha shakar bazata ko tuntuɓar fata tare da n-pentane, nemi taimakon likita nan da nan.


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