Sekugadzirwa kwehunyanzvi, tinoda kukupa yemhando yepamusoro L () -Ascorbic acid CAS 50-81-7. Uye isu tichakupa iwe yakanakisa mushure mekutengesa sevhisi uye kuendesa panguva.
Believe Chemical inotungamira China L () -Ascorbic acid CAS 50-81-7 mugadziri, mutengesi uye mutengesi. Kuomerera pakutsvaga kwemhando yakakwana yezvigadzirwa, kuitira kuti L () -Ascorbic acid CAS 50-81-7 yedu yakagutswa nevatengi vakawanda. Shandong Tendai
Isu takanaka pane zvakanakira zvemakemikari zvigadzirwa mumunda. Zvigadzirwa zvedu zvinotengeswa kuEurope, United States, Japan, South Korea, Southeast Asia nedzimwe nyika nematunhu. Iine sainzi uye tekinoroji segwara, kutendeseka sehwaro, mhando sehupenyu, uye kuvimba nepfungwa yebhizinesi yekuvandudza nekusimudzira, isu tinotarisira nemoyo wese kutanga kuchinjana uye kudyidzana kwakakura nevatengi vemuno nevekunze kugadzira budiriro!
|
Product Name |
L ()-Ascorbic acid |
||
|
Formula |
C6H8O6 |
Molecular Weight |
176.12 |
|
CAS NO. |
50-81-7 |
Quantity |
500KG |
|
Items |
Tsanangudzo |
Results |
|
Chitarisiko |
hupfu huchena kusvika kuyero zvishoma |
Conforms |
|
Assay |
99% | 99.4% |
|
MHEDZISO |
Mhedzisiro yacho inoenderana neyakajairwa |
|
Kunyungudika 190-194 ° C (Zvita.)
Kutenderera chaiko 20.5 º (C = 10, H2O)
Poindi yekubikira 227.71 ° C (yakaomarara fungidziro)
Density: 1,65g / cm3
Refractive index 21 ° (C = 10, H2O) fema2109 | ascorbicacid
Mamiriro ekuchengetedza: chitoro 5 ° CTO 30 ° C
Solubility H2O: 50mg / mlat20 ° C, yakajeka, pedyo isina ruvara
Chimiro: Upfu
Asidhi coefficient (PKA) 4.04,11.7 (AT25 â)
Ruvara: chena kusvika kune yero
PH kukosha: 3.59 (1mmsolution); 3.04(10mMsolution); 2.53(100mMsolution);
Kunhuwa (kunhuwa) kusanhuwa
Discoloration yeasidhi-base chiratidzo (pH kukosha kwemhando: 1-2.5)
Chiitiko chemaziso[α] 25/D19.0to23.0°,c=10%inH2O
Kunyungudika kwemvura 333g / L (20 º C)
Synthesis ye organic intermediates.
