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ibicuruzwa

cyclopentadiene (CAS # 542-92-7)

Umutungo wa Shimi:

Inzira ya molekulari C5H6
Misa 66.1
Ubucucike d40 0.8235; d410 0.8131; d420 0.8021; d425 0.7966; d430 0.7914
Ingingo yo gushonga -85 °; mp 32.5 °
Ingingo ya Boling bp760 41.5-42.0 °
Amazi meza 10.3 mM kuri 25 ° C (shake flask-UV spectrophotometrie, Streitwieser na Nebenzahl, 1976)
Gukemura Ntibisanzwe hamwe na acetone, benzene, tetrachloride ya karubone, na ether. Gukemura muri acide acike, aniline, na karubone disulfide (Windholz et al., 1983).
Umwuka 381 kuri 20,6 ° C, 735 kuri 40,6 ° C, 1,380 kuri 60.9 ° C (Stoeck na Roscher, 1977)
Kugaragara Amazi adafite ibara
Imipaka ntarengwa TLV-TWA 75 ppm (~ 202 mg / m3) (ACGIH, NIOSH, na OSHA); IDLH 2000 ppm (NIOSH).
pKa 16 (kuri 25 ℃)
Igihagararo Ihagaze ku bushyuhe bwicyumba. Ntibishobora kubangikanya ibintu bya okiside, acide nibindi byinshi bitandukanye. Irashobora gukora peroxide mububiko. Ashobora gukorerwa polymerisation ubwayo.Ibice byo gushyushya
Ironderero nD16 1.44632
Ibintu bifatika na shimi Iki gicuruzwa ni amazi atagira ibara, MP-97.2 ℃, BP 40 ℃, n20D 1.4446, ubucucike bugereranije 0.805 (19/4 ℃), butemewe na alcool, ether, benzene na tetrachloride ya karubone, gushonga muri karubone disulfide, aniline, aside acike na paraffin y'amazi, idashonga mumazi. Polymerisation yakorewe mubushyuhe bwicyumba kugirango itange dicyclopentadiene. cyclopentadiene dimer, MP -1 ℃, BP 170 ℃, n20D 1.1510, ubucucike bugereranije 0.986. Cyclopentadiene isanzwe igaragara nka dimer.

Ibicuruzwa birambuye

Ibicuruzwa

Indangamuntu ya Loni 1993
Icyiciro cya Hazard 3.2
Itsinda ryo gupakira III
Uburozi LD50 ya dimer mu kanwa mu mbeba: 0.82 g / kg (Smyth)

 

Intangiriro

Cyclopentadiene (C5H8) ni amazi atagira ibara, impumuro nziza. Ni olefin idahindagurika cyane ifite polymerize cyane kandi irashya cyane.

 

Cyclopentadiene ifite uburyo bwinshi bwo gukoresha mubushakashatsi bwimiti. Irashobora kandi gukoreshwa nkibikoresho fatizo bya polymers na rubber kugirango bitezimbere imiterere yumubiri nubumara.

 

Hariho uburyo bubiri bwingenzi bwo gutegura cyclopentadiene: bumwe butangwa bivuye kumeneka ryamavuta ya paraffine, ubundi bugategurwa na reaction ya isomerisation cyangwa hydrogenation reaction ya olefine.

 

Cyclopentadiene ihindagurika cyane kandi irashya, kandi ni amazi yaka. Muri gahunda yo kubika no gutwara, hagomba gufatwa ingamba zo gukumira umuriro n’ibisasu kugira ngo hatabaho guhura n’umuriro n’ubushyuhe bwinshi. Wambare ibikoresho bikwiye birinda nka gants, indorerwamo, hamwe n imyenda iturika mugihe ukoresha no gukoresha cyclopentadiene. Muri icyo gihe, hakwiye kwitonderwa kugirango wirinde guhura nuruhu no guhumeka imyuka yacyo, kugirango bidatera uburakari nuburozi. Mugihe habaye impanuka itunguranye, gabanya inkomoko yamenetse vuba hanyuma uyisukure hamwe nibikoresho bikwiye. Mu musaruro w’inganda, hagomba kubahirizwa uburyo bukoreshwa n’umutekano kugira ngo umutekano ukorwe.


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