cyclopentadiene (CAS # 542-92-7)

Ohun-ini Kemikali:

Ilana molikula	C5H6
Molar Mass	66.1
iwuwo	d40 0.8235; d410 0.8131; d420 0.8021; d425 0.7966; d430 0.7914
Ojuami Iyo	-85°; mp 32,5°
Boling Point	bp760 41,5-42,0 °
Omi Solubility	10.3 mM ni 25 °C (gbigbọn flask-UV spectrophotometry, Streitwieser ati Nebenzahl, 1976)
Solubility	Miscible pẹlu acetone, benzene, erogba tetrachloride, ati ether. Soluble ni acetic acid, aniline, ati carbon disulfide (Windholz et al., 1983).
Vapor Presure	381 ni 20.6 °C, 735 ni 40.6 °C, 1,380 ni 60.9 °C (Stoeck ati Roscher, 1977)
Ifarahan	Omi ti ko ni awọ
Ifilelẹ Ifarahan	TLV-TWA 75 ppm (～202 mg/m3) (ACGIH, NIOSH, ati OSHA); IDLH 2000 ppm (NIOSH).
pKa	16 (ni 25℃)
Iduroṣinṣin	Idurosinsin ni yara otutu. Ibamu pẹlu awọn aṣoju oxidizing, acids ati ọpọlọpọ awọn agbo ogun miiran. Le ṣe awọn peroxides ni ibi ipamọ. Le faragba lẹẹkọkan polymerisation.Decomposes on alapapo
Atọka Refractive	nD16 1.44632
Ti ara ati Kemikali Properties	Ọja yii jẹ omi ti ko ni awọ, MP-97.2 ℃, BP 40 ℃, n20D 1.4446, iwuwo ibatan 0.805 (19/4 ℃), miscible pẹlu oti, ether, benzene ati erogba tetrachloride, tiotuka ni carbon disulfide, aniline, acetic acid ati omi paraffin, insoluble ninu omi. Awọn polymerization ni a ṣe ni iwọn otutu yara lati ṣe agbejade dicyclopentadiene. cyclopentadiene dimer, MP -1 ℃, BP 170 ℃, n20D 1.1510, iwuwo ojulumo 0.986. Cyclopentadiene wa ni deede bi dimer.

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Alaye ọja

ọja Tags

UN ID	Ọdun 1993
Kíláàsì ewu	3.2
Iṣakojọpọ Ẹgbẹ	III
Oloro	LD50 ti dimer ẹnu ni awọn eku: 0.82 g/kg (Smyth)

Ifaara

Cyclopentadiene (C5H8) jẹ omi ti ko ni awọ, oorun oorun. O jẹ olefin riru pupọ ti o jẹ polymerized pupọ ati pe o jo ina.

Cyclopentadiene ni ọpọlọpọ awọn ohun elo ni iwadii kemikali. O tun le ṣee lo bi ohun elo aise fun awọn polima ati awọn rubbers lati mu ilọsiwaju ti ara ati awọn ohun-ini kemikali.

Awọn ọna akọkọ meji wa fun igbaradi ti cyclopentadiene: ọkan ni a ṣe lati inu epo paraffin, ati pe ekeji ti pese sile nipasẹ iṣesi isomerization tabi iṣesi hydrogenation ti olefins.

Cyclopentadiene jẹ iyipada pupọ ati flammable, ati pe o jẹ olomi flammable. Ninu ilana ti ibi ipamọ ati gbigbe, ina ati awọn ọna idena bugbamu nilo lati mu lati yago fun olubasọrọ pẹlu awọn ina ṣiṣi ati awọn iwọn otutu giga. Wọ awọn ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ, awọn goggles, ati aṣọ bugbamu nigba lilo ati mimu cyclopentadiene mu. Ni akoko kanna, o yẹ ki o ṣe itọju lati yago fun olubasọrọ pẹlu awọ ara ati ifasimu ti awọn eefin rẹ, ki o má ba fa irritation ati majele. Ni iṣẹlẹ ti jijo lairotẹlẹ, ge orisun ti n jo ni kiakia ki o sọ di mimọ pẹlu awọn ohun elo imudani ti o yẹ. Ninu iṣelọpọ ile-iṣẹ, awọn ilana ṣiṣe aabo ti o yẹ ati awọn igbese nilo lati faramọ lati rii daju aabo iṣẹ.

Ti tẹlẹ: Cyclohexanone (CAS # 108-94-1)

Itele: Cyclopentanone (CAS # 120-92-3)

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