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Muaj nuj nqi
CAS Nr:. | 10049-05-5 |
Linear Formula: | CrCl2 |
Purity: | 99 feem pua - 99.999 feem pua |
Qhov tsos: | Dawb crystalline khoom |
Chromium(II) Chloride Description
Cov anhydrous chromium (II) chloride yog dawb thaum ntshiab, tab sis cov qauv coj mus muag feem ntau yog grey lossis ntsuab. Nws yog hygroscopic thiab yooj yim yaj nyob rau hauv dej kom muab ci xiav cua-rhiab daws teeb meem ntawm tetrahydrate Cr (H2O) 4Cl2.
Chromium (II) chloride yog soluble hauv dej. Nws yog insoluble hauv cawv thiab ether. Nws yog incompatible nrog muaj zog oxidizing neeg sawv cev, dej thiab active hlau.
Chromium (II) chloride yog siv nyob rau hauv condensation ntawm aldehydes nrog trisubstituted chloroalkenes thiab nyob rau hauv lub synthesis ntawm ib tug heev active precatalyst rau ethylene oligimerization. Kev siv ntxiv ntawm chromium (II) chloride suav nrog kev hloov pauv ntawm cov davhlau ya nyob twg olefins rau hauv trans-iodocyclopropanes (ua ke nrog iodoform thiab tetraethyl ethylenediamine) nrog cov txiaj ntsig zoo; tsim bis (indenyl) chromium dimers thiab lwm yam khoom muaj feem xyuam.
Chromium(II) Chloride Applications thiab Related Industries
● Kev tsim tshuaj lom neeg
● Kev Tshawb Fawb & Kev Tshawb Fawb
● Chaw
Chemical Identifiers
Linear Formula | CrCl2 |
MDL Number | PAB 00010947 |
EC No. | 233-163-3 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 24871 |
IUPAC npe | Dichlorochromium |
SMILES | Cl [Cr]Cl |
InchI ID nkag mus | InChI=1S/2ClH.Cr/h2*1H;/q; ntxiv 2/p-2 |
InchI Key | QSWDMMVNRMROPK-UHFFFAOYSA-K |
Chromium (II) Chloride Properties (Theoretical)
Compound Formula | Cl2Cr |
Molecular Luj | 122.9 |
Qhov tshwm sim | dawb crystalline khoom |
Melting Point | 824 ° C (1,515 ° F) |
Boiling Point | 1,120 ° C (2,048 ° F) |
Qhov ntom | 2.9g / cm33 |
Solubility hauv H2O | N/A |
Exact Mass | N/A |
Monoisotopic pawg | 121.87822 Nws |
Them nqi | N/A |
Chromium(II) Chloride Health & Safety Information
Lus Cim | Ceeb toom |
Cov Lus Qhia Txog Hazard | H302-H315-H319-H335 |
Hazard Codes | Xn |
Cov Lus Qhia Ua Ntej | P261-P305 ntxiv rau P351 ntxiv rau P338 |
Flash Point | Tsis siv tau |
Risk Codes | 22-36/37/38 |
Cov lus hais txog kev nyab xeeb | 26-36 |
RTECS Number | GB5250000 |
Cov ntaub ntawv thauj mus los | UN 3077 9 / PG III |
WGK Germany | 3 |
GHS Daim duab | GHS07 Exclamation Point
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Cim npe nrov: chromium (ii) chloride, Tuam Tshoj, lwm tus neeg, yuav, muag, ua nyob rau hauv Suav teb
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