Fumaric acid za a iya amfani dashi azaman mai sarrafa acidity

Fumaric acid, wanda kuma aka sani da fumaric acid, violet acid ko lichenic acid, wato fumaric acid (sunan IUPAC (E) -butenedioic acid), mara launi ne, crystal mai flammable wanda ya ?unshi acid Carboxylic da aka samu daga butene. Kona fumaric acid yana fitar da hayakin anhydride na maleic mai ban haushi. Yana dandana kamar 'ya'yan itace kuma ana samunsa a Corydalis, Boletus, Lichens, da Icelandic Nori.

Tuntube mu

samfurin bayani

Bayani

Ana amfani da Fumaric acid wajen samar da resin polyester mara kyau. Irin wannan resin yana da kyakkyawan juriya da juriya na zafi; copolymer na fumaric acid da vinyl acetate ne mai kyau m. Copolymer tare da styrene shine albarkatun kasa don kera FRP. Plasticizer da fumaric acid ya yi ba mai guba ba ne kuma ana iya amfani dashi don latex na vinyl acetate a lamba tare da abinci. Wannan samfurin shine matsakaicin sinadari mai kyau kamar magani da wakili na bleaching. Ana amfani da shi wajen samar da maganin dimercaptosuccinic acid a cikin masana'antar harhada magunguna. Ana cire fumaric acid tare da sodium carbonate don samun sodium fumarate ( [17013-01-3]), sannan a maye gurbinsa da sulfate na ferrous don samun ba?in ?arfe fumarate, wanda ake amfani da shi don magance ?ananan ?wayoyin jini na jini tare da magungunan ?arfe. Ana amfani da wannan samfurin azaman wakili mai ?ari-mai tsami, ana amfani dashi a cikin abubuwan sha masu da?i, alewa 'ya'yan itace, jelly, ice cream, da sauransu, yawancin wa?anda ake amfani dasu tare da wakilin citric acid mai tsami. Gishirin monosodium da aka yi ta hanyar amsawar fumaric acid da sodium hydroxide, Hakanan ana amfani dashi azaman kayan yaji kuma a matsayin matsakaici don guduro na roba da mordant.

bayanin 2

Aikace-aikace

A cikin abincin da aka fi amfani da su a kayan nama, sarrafa kayan kifi da sauransu. Fumaric acid za a iya amfani dashi azaman mai sarrafa acidity, acidifier, antioxidant, mai tallata gishiri da yaji. Wannan samfurin yana da tasirin buffer mai ?arfi don kiyaye bayani mai ruwa a kusan pH3.0, kuma yana da muhimmiyar rawa a cikin rigakafin ?wayoyin cuta da mildew, a lokaci guda, yana da ?an?ano mai ?an?ano, yana ?aya daga cikin mafi ?arancin acidic acid, ?arancin sha, kuma yana taimakawa wajen tsawaita rayuwar rayuwar foda. Lokacin da aka canza acid fumaric zuwa sodium fumarate, ruwan solubility da dandano sun fi kyau.

?ayyadaddun samfur

Sunan samfur	Fumaric acid
CAS	110-17-8
MF	Saukewa: C4H4O4
MW	116.07
EINECS	203-743-0
Fumaric acid Chemical Properties	?
Wurin narkewa	298-300 °C (sbl.) (lit.)
Wurin tafasa	137.07°C
yawa	1.62
tururi matsa lamba	1.7 mm Hg (165 ° C)
FEMA	2488 \| FUMARIC ACID
refractive index	1.5260 (?ididdiga)
Fp	230 °C
yanayin ajiya.	Adana a ?asa + 30 ° C.
narkewa	95% ethanol: mai narkewa 0.46g/10 ml, bayyananne, mara launi
tsari	Fine Crystalline Foda
pka	3.02, 4.38 (a 25oC)
launi	Fari
PH	2.1 (4.9g/l, H2O, 20oC)
m iyaka	40%
Ruwan Solubility	0.63g/100 ml (25oC)
Lambar JECFA	618
Merck	144,287
BRN	605763
Kwanciyar hankali:	Barga a dakin da zafin jiki. Bazuwa a kusa da 230 C. Ba tare da jituwa tare da karfi mai karfi oxidizing jamiái, tushe, rage jamiái. Mai ?onewa.
InChiKey	VZCYOOQTPOCHFL-OWOJBTEDSA-N
Bayanan Bayani na CAS DataBase	110-17-8(CAS DataBase Reference)
Bayanin Chemistry NIST	Fumaric acid (110-17-8)
Tsarin Rijistar Abun EPA	Fumaric acid (110-17-8)

Abubuwa	Matsayi
Assay(%)	≥99.0
raga	Ta hanyar 300 Mesh
Farashin PPM	≤3
Karfe masu nauyi (Pb)	≤10
Ruwa (%)	≤0.3
Maleic Acid (%)	≤0.1
Launi (Pt-Co)	≤15 Hazan
Wurin narkewa(oC)	286-289
Solubility (25oC)	≥1.00g/100ml Ruwa