Enwere ike iji fumaric acid d? ka onye na-ach?kwa acidity

Fumaric acid, nke a makwaara d? ka fumaric acid, violet acid ma ? b? lichenic acid, ya b? fumaric acid (IUPAC aha (E) -butenedioic acid), b? kristal na-enwegh? agba, nke na-ere ?k? nke nwere Carboxylic acid sitere na butene. ?k? fumaric acid na-ewep?ta uzuzu anhydride maleic na-akpasu iwe. ? na-at? ?t? d? ka mkp?r? osisi ma d? na Corydalis, Boletus, Lichens, na Icelandic Nori.

Kp?t?r? any?

nk?wa ngwaah?a

Nk?wa

A na-eji fumaric acid na-emep?ta resins polyester na-ad?gh? mma. ?d? resin a na-eji ezigbo nguzogide kem?kal? na nguzogide okpom?k?; copolymer nke fumaric acid na vinyl acetate b? ezigbo nrapado. Copolymer nwere styrene b? ak?r?ngwa maka imep?ta FRP. Plasticizer nke fumaric acid mere ad?gh? egbu egbu ma nwee ike iji ya mee ihe maka vinyl acetate latex na k?ntakt? na nri. Ngwaah?a a b? ezigbo kem?kal? etiti d? ka ?gw? na ihe ?cha ?cha anya. A na-eji ya na mmep?ta nke antidote dimercaptosuccinic acid na ?l? ?r? ?gw?. A na-ewep? fumaric acid na sodium carbonate iji nweta sodium fumarate ( [17013-01-3]), wee dochie ya na ferrous sulfate iji nweta iron fumarate, nke a na-eji agw? obere ?bara ?bara ?bara ?bara anaemia na ?gw? nd? nwere ígwè. A na-eji ngwaah?a a d? ka ihe mgbakwunye nri-utoojoo, nke a na-eji na ihe ????? na-enye ume ?h?r?, swiiti mkp?r? osisi, jelii, ice cream, wdg, ?t?t? n'ime ha na-ejik?ta ya na onye na-ah? maka utoojoo citric acid. Nnu monosodium mere site na mmeghachi omume nke fumaric acid na sodium hydroxide, A na-ejikwa ya d? ka ihe na-esi ísì ?t? na d?ka etiti maka resin synthetic na mordant.

nk?wa2

Ngwa

Na nri a na-ejikar? eme ihe na ngwaah?a an?, nhazi ngwaah?a az? na ihe nd? ?z?. Enwere ike iji fumaric acid d? ka onye na-ach?kwa acidity, acidifier, antioxidant, onye na-akwalite nnu na ose. Ngwaah?a a nwere mmet?ta nchekwa siri ike iji mee ka ngw?ta mmiri d? n'ihe d? ka pH3.0, ma nwee ?r? d? mkpa na mgbochi antibacterial na mildew, n'otu oge ah?, ? nwere uto astringent, b? otu n'ime acid acid siri ike, obere absorption ?n?ego, ma na-enyere aka ?gbat? nd? nd? nke ngwaah?a nt? nt?. Mgbe fumaric acid gbanwere n'ime sodium fumarate, mmiri solubility na ekpomeekpo d? mma.

Nk?wap?ta ngwaah?a

Aha ngwaah?a	Fumaric acid
CAS	110-17-8
MF	C4H4O4
MW	116.07
EINECS	203-743-0
Njirimara kem?kal? Fumaric acid	?
Ebe mgbaze	298-300 Celsius C (sbl.) (?k?)
Ebe esi nri	137.07°C (at?mat? siri ike)
njup?ta	1.62
uzuoku mgbali	1.7 mm Hg (165 Celsius C)
FEMA	2488 \| FUMARIC Acid
index refractive	1.5260 (at?mat?)
Fp	230 Celsius C
nchekwa okpom?k?.	Chekwaa n'okpuru +30 Celsius.
solubility	95% ethanol: soluble0.46g/10 mL, doro anya, enwegh? agba
?d?	Nt? nt? kristal d? mma
pka	3.02, 4.38 (na 25oC)
agba	?cha
PH	2.1 (4.9g/l, H2O, 20oC)
mgbawa ?gba	40%
Mmiri Solubility	0.63 g/100 ml (25 oC)
N?mba JECFA	618
Merck	144,287
BRN	605763
Nkw?si ike:	Kw?sie ike na ?l? okpom?k?. Na-emebi emebi na gburugburu 230 C. Na-ekwek?gh? na ihe nd? na-emep?ta oxidizing siri ike, nt?ala, nd? na-ebelata ihe. Na-agbany? ?k?.
InChiKey	VZCYOOQTPOCHFL-OWOJBTEDSA-N
Ntuziaka dataBase CAS	110-17-8(CAS DataBase nt?aka)
Ntuziaka Chemistry NIST	Fumaric acid (110-17-8)
Sistem? ndek? ihe EPA	Fumaric acid (110-17-8)

Ihe	?kp?r?
Nyocha (%)	≥99.0
Ntupu	Site na Mesh 300
AS PPM	≤3
?la d? ar? (Pb)	≤10
Mmiri (%)	≤0.3
Maleic acid (%)	≤0.1
Agba (Pt-Co)	≤15 Hazen
Ebe mgbaze (oC)	286-289
Solubility (25oC)	≥1.00g/100ml mmiri