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Dichloromethane(CAS#75-09-2)

Āhuatanga matū:

Tātai rāpoi CH2Cl2
Molar Mass 84.93
Kiato 1.325
Te Whakarewa -97℃
Piro Pouri 39-40 ℃
Wairewa wai 20 g/L (20 ℃)
Taurangi Refactive 1.4242
Āhuatanga ā-tinana, matū hoki Te ahua me nga ahuatanga: te wai marama kore tae, te kakara kakara.
ira whakarewa (℃): -96.7
ira kohua (℃): 39.8
kiato whanaunga (wai = 1): 1.33
kiato kohu whanaunga (Air = 1): 2.93
pehanga kohu kukū (kPa): 30.55(10 ℃)
wera o te ngingiha (kJ/mol): 604.9
te pāmahana tino nui (℃): 237
pēhanga arohaehae (MPa): 6.08
taukohiko o te octanol/wai whakarea wehewehe: 1.25
te pāmahana mura (℃): 615
Tepe Pahū o runga%(V/V): 19
tepe pahū iti%(V/V): 12
memehatanga: he iti te wairewa ki te wai, he wairewa ki te waiwaro, etera.
Whakamahi Ka whakamahia hei whakarewa i roto i te kapia me te ahumahi kirihou. Ka whakamahia nuitia i roto i nga umanga rongoa, kirihou me te kiriata.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xn – He kino
Waehere Morearea R40 – Nga taunakitanga iti o te paanga mate pukupuku
Whakaahuatanga Haumaru S23 – Kaua e hau kohu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
UN ID UN 1593/1912

 

Dichloromethane(CAS#75-09-2)

Whakamahi

Ko tenei hua kaore i te whakamahia anake mo te whakahiato waro, engari ka whakamahia ano hoki hei kiriata cellulose acetate, cellulose triacetate miro, petroleum dewaxing, aerosol me nga patu paturopi, huaora, steroids i roto i te hanga whakarewa, me te paparanga peita whakarewa horoi horoi whakaheke me te kaihoroi. . I tua atu, ka whakamahia ano hoki mo te whakamaroke witi me te whakamahana o nga pouaka pouaka iti-pēhanga me te hau. Ka whakamahia hei kaihoko pupuhi awhina i roto i te hanga o te Polyether urethane pahuka me te hei kaihoko pupuhi mo nga pahuka polysulfone extruded.

Whakahoutanga Whakamutunga:2022-01-01 10:13:47

Haumaru

he iti rawa te paitini, a ka tere ake te mahara i muri i te paihana, na reira ka taea te whakamahi hei rongoa. He irritant ki te kiri me te mucous membrane. Nga kiore taiohi pakeke ld501.6ml/kg. Ko te 500 × 10-6 te kukū e whakaaetia ana i roto i te hau. Ko te mahi kia mau i te kanohi hau, kitea i muri tonu paihana i te scene, maimoatanga tohumate ki piauau rino pahū katia tākai, 250kg ia oko, waka tereina tank, waka ka taea te kawe. Me rongoa i roto i te pouri pouri maroke, wahi pai-hā, whakarongo ki te makuku.


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