isibhengezo_sekhasi

umkhiqizo

1 1 1-Trifluoroacetone (CAS# 421-50-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C3H3F3O
I-Molar Mass 112.05
Ukuminyana 1.252g/mLat 25°C(lit.)
I-Melting Point -78 °C
I-Boling Point 22°C(lit.)
I-Flash Point −23°F
Ukuncibilika kwamanzi I-Miscible
Ukuncibilika I-Chloroform, iMethanol
I-Vapor Presure 13.62 psi ( 20 °C)
Ukubukeka Uketshezi
Umbala Sula engenambala
I-BRN 1748614
Isimo Sesitoreji 2-8°C
Ukuzinza Iyaguquguquka
Kuyazwela I-Lachrymatory
I-Refractive Index n20/D 1.3(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R12 – Ivutha Kakhulu
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S29 – Ungathululi emiseleni.
I-S33 - Thatha izinyathelo zokuphepha ngokumelene nokukhishwa okumile.
S36 – Gqoka izingubo ezifanele zokuzivikela.
S7/9 -
I-S9 – Gcina isiqukathi endaweni enomoya omuhle.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S39 – Gqoka ukuvikela iso / ubuso.
Ama-ID e-UN UN 1993 3/PG 1
I-WGK Germany 3
AMAKHODI E-FLUKA BRAND F 19
I-TSCA T
Ikhodi ye-HS 29147090
Inothi Lengozi Okuvuthayo/I-Lachrymatory
I-Hazard Class 3
Iqembu Lokupakisha I

 

Isingeniso

1,1,1-Trifluoroacetone. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-1,1,1-trifluoroacetone iwuketshezi oluvuthayo olunokunambitheka okubabayo nokumnandi. Iqinile kumakhemikhali, ayiboli kalula ngama-asidi, ama-alkali noma ama-oxidant, futhi ayincibiliki kalula nge-hydrolyzed. Inoncibilika kahle futhi iyancibilika ezinhlobonhlobo zezincibilikisi eziphilayo ezifana notshwala, ama-ether, nama-ketone.

 

Sebenzisa:

I-1,1,1-Trifluoroacetone inezinhlobonhlobo zokusetshenziswa embonini. Kuyi-solvent ebalulekile engasetshenziswa ezindaweni ezifana nama-coatings, izinto zokuhlanza, okokukhipha amafutha, nama-gas sealants. Ingasetshenziswa futhi njenge-ejenti yokuvuvukala ye-polyurethane, i-polyester ne-PTFE, kanye ne-plasticizer kanye ne-flame retardant ye-coatings.

 

Indlela:

Ukulungiswa kwe-1,1,1-trifluoroacetone ngokuyinhloko kwenziwa ukusabela kwe-reagent fluorinated ne-acetone. Indlela evamile ukusebenzisa i-ammonium bifluoride (NH4HF2) noma i-hydrogen fluoride (HF) ukuze usabele nge-acetone phambi kwe-catalyst ukukhiqiza i-1,1,1-trifluoroacetone. Le nqubo yokusabela idinga ukwenziwa ngaphansi kokulawulwa okuqinile ngoba i-hydrogen fluoride iyigesi enobuthi.

 

Ulwazi Lokuphepha:

I-1,1,1-Trifluoroacetone iwuketshezi oluvutha umlilo olungaqhuma lapho luvezwe ilangabi elivulekile noma izinga lokushisa eliphezulu. Ine-flash point ephansi kanye nezinga lokushisa elizenzakalelayo, futhi idinga ukuphathwa futhi igcinwe kahle, kude nezinto ezivuthayo nezinto ezishisayo. Izimpahla zokuzivikela ezifanele njengezingubo zamehlo ezivikelayo, amagilavu ​​nezingubo zokuzivikela kufanele zigqokwe lapho zisetshenziswa. Kufanele kuqinisekiswe ukuthi isebenza endaweni engenawo umoya futhi igweme ukuhogela umhwamuko wayo ngoba ungadala umonakalo emzimbeni womuntu. Uma uthinta isikhumba noma amehlo, hlambulula ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha.

 


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