Fulvic acid CAS 479-66-3

CAS:479-66-3

Cov mis molecular:C14H12O8

Qhov Hnyav Molecular:308.24

EINECS:610-395-7

Cov lus txhais:FULVIC ACID PURITY 95%; 1H,3H-Pyrano4,3-b1benzopyran-9-carboxylic acid, 4,10-dihydro-3,7,8-trihydroxy-3-methyl-10-oxo-; 4,10-dihydro-3,7,8-trihydroxy-3-methyl-10-oxo-1h,3h-pyrano[4,3-b][1]benzopyran-9-carboxylic acid; Fulvic acid; 3,7,8-trihydroxy-3-methyl-10-oxo-1,3,4,10-tetrahydropyrano[4,3-b]chromene-9-carboxylic acid vic acid; 3,7,8-trihydroxy-3-methyl-10-oxo-1,4-dihydropyrano[4,3-b]chromene-9-carboxylicaci

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

Fulvic acid CAS 479-66-3 yog dab tsi?

Fulvic acid yog ib yam khoom dub uas muaj ntau yam sib xyaws ua ke nrog cov khoom siv biologically active, thiab yog qhov kawg ntawm cov khoom uas lwj tag nrho cov khoom muaj sia. Nws muaj cov khoom tshwj xeeb thiab peev xwm hloov pauv thiab hloov pauv cov khoom sib xyaw ua ke, suav nrog yuav luag txhua yam khoom organic thiab inorganic hauv xwm.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Kub taw tes	661.0 ± 55.0 °C (Kwv yees)
Qhov Ceev	1.79±0.1 g/cm3(Kwv yees)
Qhov kub yaj	246 ° C (decomp)
pKa	2.18 ± 0.40 (Kwv yees)
UA KOM YAJ	yaj tau hauv methanol
Cov xwm txheej cia khoom	Khaws cia rau ntawm -20 ° C

Daim Ntawv Thov

Fulvic acid, ua ib hom humus, yog ib qho khoom siv photoactive ntuj uas tuaj yeem dhau los ntawm ntau yam kev hloov pauv dawb thaum nqus lub teeb, ua rau cov pa phem hauv dej rhiab heev thiab txhawb nqa lawv qhov kev puas tsuaj.