Menene benzoic acid?
Da fatan za a duba bayani
Sunan samfurin: Benzoic acid
Lambar CAS: 65-85-0
Tsarin kwayoyin halitta: C7H6O2
Properties: Flaky ko allura siffar crystal, tare da benzene da formaldehyde wari; mai sauƙi mai narkewa cikin ruwa; mai narkewa a cikin barasa ethyl, diethyl ether, chloroform, benzene, carbon disulfide da carbon tetrachloride; wurin narkewa (℃): 121.7 ; wurin tafasa (℃): 249.2; cikakken tururi matsa lamba (kPa): 0.13 (96 ℃); wurin walƙiya (℃): 121; zafin wuta (℃): 571; ƙananan iyakar abubuwan fashewa% (V/V): 11; Fihirisar magana: 1.5397nD
Menene babban amfani da benzoic acid?
Babban amfani:Benzoic acidana amfani dashi azaman wakili na bacteriostatic na emulsion, man goge baki, jam da sauran abinci; mordant na rini da bugu; tsaka-tsakin magunguna da rini; don shirye-shiryen filastik da turare; karfe kayan aiki antirust wakili .
Babban fihirisa:
Daidaitaccen abu | pharmacopoeia China 2010 | British Pharmacopoeia BP 98-2009 | Amurka Pharmacopeia USP23-32 | Abincin ƙari GB1901-2005 | E211 | Farashin FCCV | Abincin ƙari NY/T1447-2007 |
bayyanar | farar fata mai laushi ko siffar allura | crystal mara launi ko fari lu'ulu'u foda | - | farin crystal | farin crystal foda | farar fata mai laushi ko siffar allura | farin crystal |
gwajin cancanta | wuce | wuce | wuce | wuce | wuce | wuce | wuce |
bushe tushen abun ciki | ≥99.0% | 99.0-100.5% | 99.5-100.5% | ≥99.5% | ≥99.5% | 99.5% - 100.5% | ≥99.5% |
sauran ƙarfi bayyanar | - | bayyananne, m | - | - | - | - | - |
abu mai saurin oxidizable | wuce | wuce | wuce | wuce | wuce | wuce | wuce★ |
abu mai sauƙin carbonizable | - | ba duhu fiye da Y5 (rawaya) | ba duhu fiye da Q (ruwan hoda) | wuce | wuce | wuce | - |
karfe mai nauyi (Pb) | ≤0.001% | ≤10pm | ≤10ug/g | ≤0.001% | ≤10mg/kg | - | ≤0.001% |
saura akan kunnawa | ≤0.1% | - | ≤0.05% | 0.05 da | - | ≤0.05% | - |
wurin narkewa | 121-124.5ºC | 121-124ºC | 121-123ºC | 121-123ºC | 121.5-123.5ºC | 121-123 ℃ | 121-123 ℃ |
sinadarin chlorine | - | ≤300ppm | - | ≤0.014% | ≤0.07% () | - | ≤0.014%★ |
arsenic | - | - | - | ≤2mg/kg | ≤3mg/kg | - | ≤2mg/kg |
phthalic acid | - | - | - | wuce | - | - | ≤100mg/kg★ |
sulfate | ≤0.1% | - | - | ≤0.05% | - | - | |
hasara akan bushewa | - | - | ≤0.7% (danshi) | ≤0.5% | ≤0.5% | ≤0.7% | ≤0.5% (danshi) |
mercury | - | - | - | - | ≤1mg/kg | - | - |
jagora | - | - | - | - | ≤5mg/kg | ≤2.0mg/kg | - |
biphenyl | - | - | - | - | - | - | ≤100mg/kg★ |
Mataki / abu | premium daraja | babban daraja |
bayyanar | farin m | fari ko haske rawaya mai laushi mai ƙarfi |
abun ciki, % ≥ | 99.5 | 99.0 |
chromaticity ≤ | 20 | 50 |
wurin narkewa, ℃ ≥ | 121 |
Marufi: jakar polypropylene da aka saka tare da jakar fim na polythene na ciki
Bayani dalla-dalla: 25kg, 850*500mm
Me yasa amfani dabenzoic acid? Benzoic acid aiki:
(1) Haɓaka aikin aladu, musamman ma ingantaccen canjin abinci
(2) Mai kiyayewa; Maganin rigakafi
(3) Anfi amfani dashi don maganin fungal da maganin kashe kwayoyin cuta
(4) Benzoic acid wani muhimmin nau'in acid ne mai kiyaye abinci
Benzoic acid da gishirin sa an yi amfani da shi shekaru da yawa a matsayin masu kiyayewa
Wakilai ta masana'antar abinci, amma a wasu ƙasashe kuma a matsayin ƙari na silage, galibi saboda tasirinsu mai ƙarfi akan fungi da yeasts daban-daban.
Lokacin aikawa: Yuli-18-2024