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Dichloromethane

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Nokuzivikanwa Chinese zita: Dichloromethane zvinhu ngozi nhamba: 61552 Chirungu zita: DichloromethaneUN nhamba: 1593 Molecular payakavakirwa: CH2Cl2 Molecular uremu: 84,94 CAS nhamba: 75-09-2 Zvokunyama uye zvemakemikari zvivako Chitarisiko uye miitiro Hauoneki läpinäkyvä mvura, pamwe inonhuwirira kwakanaka. Kubvunda pfungwa (° C) -96.7 rushomanana arambe achirema (mvura = 1) 1.33 rushomanana arambe achirema (mhepo = 1) 2.93 kufashaira pfungwa (° C) 39.8


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Chinese zita : Dichloromethane

Number kwenhumbi ngozi: 61552

Chirungu zita: Dichloromethane

UN nhamba: 1593

Molecular fomura: CH2Cl2

Molecular uremu: 84,94

CAS nhamba: 75-09-2

Mumuviri makemikari zvivako

Chitarisiko uye miitiro

A Hauoneki, läpinäkyvä mvura pamwe anonhuhwirira kwakanaka.

Kubvunda pfungwa (° C)

-96,7

Hama arambe achirema (mvura = 1)

1.33

Hama arambe achirema (mhepo = 1)

2,93

Achibika pfungwa (° C)

39,8

Yakazara mhute kumanikidzwa (kPa)

30.55 / 10 ℃

Solubility

Zvishoma soluble nemvura soluble mu panyaya iyi uye Eteri.

Toxicity uye utano njodzi

ekisiposha muganhu

 

 

Time-weighted avhareji zvinobvumidzwa pfungwa (MG / m3)

200

Kwenguva pfupi dzokupisa zvinobvumidzwa pfungwa (MG / m3)

300

Maximum zvinobvumidzwa wevasungwa (MG / m3)

/

Route yokupinda nechisimba

Inhalation, ingestion, percutaneous Absorção de Água.

toxicity

LD50: 1600 ~ 2000mg / makirogiramu (Rat dzinogamuchidzanwa)

LC50: 88000mg / m3,1 / 2 小时 (Rat inhalation)

Youtano

Dichloromethane ndiye rufimbi chinokonzera kufema uye kweropa nechepakati rutivi rwomuviri uye zvinogona kukonzera pulmonary edema. Chenjera chepfu: varwere vave dzungu, nemusoro, kurutsa uye mucous Kamudzira kutsamwa mumaziso uye yokumusoro kufema turakiti. In Muzviitiko zvakaipisisa, bronchitis uye pulmonary edema zvingaitika, uye yokutindivadza zviratidzo zvakadai pakoma zvingaitika. Chirwere Migumisiro: Long-rokuti dzokupisa kunyanya zvinosanganisira nemusoro, kurukutika, dzungu, kurasikirwa kudya, anonoke kufamba, uye nehope. Dai kukuvadza ganda, ganda defatting, kuoma, scaling uye chapping.

Kwerusenzi kuputika Muvuti

Flammability

Combustible

Combustion manyowa chigadzirwa

Carbon monoxide, carbon dioxide, rehydrogen chloride, phosgene.

Flash pfungwa (° C)

/

Upper kuputika muganhu (ndima%)

19

Galvanzie tembiricha (° C)

615

Lower kuputika muganhu (ndima%)

12

ngozi unhu

Kana moto, mukuru kupisa kuri zvinobata moto. Manyowa nokuda Kupisa kunogona kusunungura zvikuru muchetura phosgene. Kana mukuru kupisa, dzomunyika kwokudzvinyirira kwomunhu mudziyo inowedzera, wabvunza mukana cracking walnut uye kuputika.

 

Construction moto nengozi kupatsanura

C

utsigo

utsigo

polymerization Muvuti

haigoni kuonekwa

kusapindirana

Alkali simbi, aruminiyamu.

Fire kurwa nzira

Kudzima nemvura, furo, carbon dioxide, uye jecha.

rwekutanga

Skin kuonana: Bvisai yakasviba zvipfeko uye sukurudza kwazvo nesipo nemvura. Eye kuonana: Pakarepo kusimudza anopenya uye sukurudza zvakawanda pemvura kana sesaline. Inhalation: Kurumidza Bvisa zviziviswe kuti mhepo yakanaka. Ipa okisijeni kana kufema kwakaoma. Kamwe kufema kwamira, kutanga CPR pakarepo. Kwachiremba. Ingestion: Ingestion imwe yakawanda mvura inodziya, kunyengedza kurutsa, kwachiremba.

Leakage kwetsvina

Vabva vashandi vari yakasviba munzvimbo nzvimbo yakachengeteka, Kurambidza chokuita vashandi kupinda yakasviba nzvimbo ndoparadza moto kunobva. Zvinokurudzirwa kuti zvashata vashandi vanopfeka self contained kufema midziyo uye vanopfeka talk moto unodzivirira zvipfeko. Stop idonhe apo kuunza makachengeteka. Zvinonzi hwakakanyiwa jecha kana nevamwe vasiri combustible adsorbent uye ipapo anounganidzwa uye kuendeswa kune imwe kwetsvina nzvimbo kuti inoraswa. Kana pane yakawanda leakage, shandisa dike kuti yaiva, uye ipapo vaunganidze, kuchinjwa, Kuzvigadzira Patsva kana tsvina pashure inoraswa.

Storage neyokufambisa nezvavanofunga

1 Storage Tsaona: Store mune inotonhorera, ventilated yokuchengetera zvinhu. Rambai kure moto uye nokupisa. Kukutadzisa zuva ekisiposha. Chengeta mudziyo chisimbiso. Zvinofanira kuchengetwa aparadzane oxidants uye acids. Havagoni kuva yakavhenganiswa uye zvakasiyana. Tumafuta Takudzai uye Kudzikisa panguva vabata kudzivirira kukuvara kavha uye mumagaba. Uzvichenjerere pachavo kuchengetedzwa pakupa uye kubata kushandiswa. 2 Transportation zvokungwarira: Tisati nokupfuuridzirwa, tarisa kana kavha mugaba zvakakwana uye rakanamwa. Panguva zvokufambisa, nechokwadi kuti mudziyo asingadi achigarira maoko, pakaparara, vanowira kana kukuvara. Zvinonzi zvaisambobvumirwa kuwadzana acids, oxidants, zvokudya uye zvokudya yokuvirisa. Transportation rinoitwa maererano waakaudzwa nzira.


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