Dichloromethane |75-09-2
Bayanan Jiki na Samfur:
| Sunan samfur | Dichloromethane |
| Kayayyaki | Ruwa mara launi mara launi tare da ƙanshin ƙanshi |
| Wurin narkewa(°C) | -95 |
| Wurin tafasa (°C) | 39.8 |
| Dangantaka yawa (Ruwa=1) | 1.33 |
| Dangantakar tururi mai yawa (iska = 1) | 2.93 |
| Cikakken tururin matsa lamba (kPa) | 46.5 (20°C) |
| Zafin konewa (kJ/mol) | - 604.9 |
| Matsakaicin zafin jiki (°C) | 237 |
| Matsin lamba (MPa) | 6.08 |
| Octanol/water partition coefficient | 1.25 |
| Wurin walƙiya (°C) | -4 |
| zafin wuta (°C) | 556 |
| Iyakar fashewar sama (%) | 22 |
| Ƙananan iyakar fashewa (%) | 14 |
| Solubility | Dan kadan mai narkewa cikin ruwa, mai narkewa a cikin ethanol, ether. |
Kayayyakin Samfura da Kwanciyar hankali:
1.Very kadan mai guba da saurin dawowa daga guba, don haka ana iya amfani da shi azaman maganin sa barci.Haushi da fata da kuma mucous membrane.Babban berayen bakin LD50: 1.6mL/kg.iska iyakar halatta taro na 500 × 10-6.Ya kamata aikin ya sa abin rufe fuska na gas, wanda aka gano guba nan da nan an cire shi daga wurin, magani mai alama.Mafi ƙarancin chloride na methane.Turin yana da maganin sa barci sosai kuma shakar da yawa zai haifar da guba mai tsanani tare da ciwon hanci, ciwon kai da amai.Guba na yau da kullun yana haifar da dizziness, gajiya, asarar ci, impaired hematopoiesis da rage jajayen ƙwayoyin jini.Liquid methylene chloride yana haifar da dermatitis lokacin saduwa da fata.Shakar tururin 90.5g/m3 a cikin berayen da aka kashe a cikin mintuna 90.Matsakaicin ma'auni na olfactory shine 522mg/m3 kuma iyakar halattaccen taro a wurin aiki shine 1740mg/m3.
2.Kwarai: Kwanciyar hankali
3.Abubuwan da aka haramta: Alkali karafa, aluminum
4.Conditions don kauce wa bayyanar: Haske, iska mai laushi
5.Polymerisation hazard: Non-polymerisation
Aikace-aikacen samfur:
1.In Bugu da kari ga Organic kira, wannan samfurin ne kuma yadu amfani da cellulose acetate film, cellulose triacetate famfo, man fetur dewaxing, kaushi a cikin samar da aerosols da maganin rigakafi, bitamin, steroidal mahadi, kazalika da karfe surface lacquer tsaftacewa da kuma degreasing da kuma fim mai cirewa.
2.An yi amfani da shi a cikin fumigation na hatsi da refrigeration na masu daskarewa marasa ƙarfi da na'urorin kwantar da iska.Ana amfani da shi azaman wakili mai busawa a cikin samar da kumfa polyether urethane kuma azaman wakili mai busawa don kumfa polysulfone extruded.
3.An yi amfani da shi azaman ƙarfi, cirewa da mutagen.An yi amfani da shi a binciken kwayoyin halitta.
4.Yana da ƙoshin ƙarfi mai kyau, ƙaramin ƙarfi ne mai zafi tare da ɗanɗano mai guba da rashin ƙonewa a cikin abubuwan da ake amfani da su na masana'antu da yawa, kuma yana da ƙarfi mai kyau don yawancin resins, paraffins da fats.Yafi amfani da fenti stripper, petroleum dewaxing sauran ƙarfi, extractant na thermally m abubuwa, extractant na lanolin daga ulu da edible mai daga kwakwa, sauran ƙarfi na cellulose triacetate film.Hakanan ana amfani dashi sosai a cikin fiber acetate, masana'antar fiber vinyl chloride, sarrafawa da kashe wuta, refrigerants, urotropine da sauran masana'anta.
5.An yi amfani da shi a masana'antar lantarki.Yawanci ana amfani dashi azaman mai tsaftacewa don cire mai.
6.Widely amfani a matsayin harshen wuta retardant sauran ƙarfi tare da low tafasasshen batu.Baya ga wanke-wanke na injin jirgin sama, injuna daidai gwargwado, da dai sauransu, ana iya amfani da shi a matsayin wakili na cire fenti, kuma ana iya haɗa shi da sauran abubuwan da za a yi amfani da su wajen wanke masana'antu iri-iri.
7.Har ila yau, amfani da matsayin ethyl ester fiber ƙarfi, hakori gida maganin sa barci, refrigerant da wuta extinguishing wakili, da dai sauransu, shi ne na kowa eluent ga chromatographic rabuwa da kuma hakar rabuwa na kowa kaushi.
8.An yi amfani da shi azaman ƙarfi a cikin guduro da masana'antar filastik.
Bayanan Ajiye samfur:
1.Ajiye a cikin dakin ajiya mai sanyi, mai iska.
2.Kiyaye daga wuta da tushen zafi.
3.Ajiye a yanayin zafi da bai wuce 32°C ba da kuma ɗanɗano zafi wanda bai wuce 80%.
4.Kiyaye akwati a rufe.
5.Ya kamata a adana shi daban daga karafa na alkali da sinadarai masu cin abinci, kuma kada a taba hadawa.
6.An sanye shi da nau'ikan da suka dace da adadin kayan aikin kashe gobara.
7.Yankin ajiya ya kamata a sanye shi da kayan aiki na gaggawa na gaggawa da kayan aiki masu dacewa.
