he aha te waikawa benzoic?
Tena koa tirohia nga korero
Ingoa hua: waikawa benzoic
Nama CAS: 65-85-0
tātai rāpoi: C7H6O2
Āhuatanga: He karaehe parapara, he ngira te ahua, he haunga benzene me te formaldehyde; ngawari te whakarewa i roto i te wai; wairewa ki te waipiro ethyl, diethyl ether, chloroform, benzene, waro disulfide me te waro tetrachloride; ira whakarewa(℃): 121.7 ; ira kohua (℃): 249.2; pehanga kohu kukū(kPa): 0.13(96℃); ira uira (℃): 121; pāmahana whakakā (℃): 571; iti te rohe pahū%(V/V): 11; taupū whakaata: 1.5397nD
He aha te whakamahinga matua o te waikawa benzoic?
Mahinga matua:waikawa Benzoicka whakamahia hei kaihoko bacteriostatic o te whakaehunga, te toothpaste, te tami me etahi atu kai; mordant o te tae me te tā; te takawaenga o te rongoa me te waikano; mo te whakarite o te plasticizer me te hinu kakara; taputapu rino kaihoko antirust.
Taupū matua:
Tuemi paerewa | pharmacopoeia Hainamana 2010 | British Pharmacopoeia BP 98—2009 | United States Pharmacopeia USP23—32 | taapiri kai GB1901-2005 | E211 | FCCV | taapiri kai NY/T1447-2007 |
ahua | he kirikiri ma, he ngira te ahua | tioata taekore, paura karaihe ma ranei | — | karaihe ma | paura tioata ma | kirikiri ma, ngira ahua karaihe\ | karaihe ma |
whakamātautau tohu | paahi | paahi | paahi | paahi | paahi | paahi | paahi |
ihirangi turanga maroke | ≥99.0% | 99.0-100.5% | 99.5-100.5% | ≥99.5% | ≥99.5% | 99.5%-100.5% | ≥99.5% |
ahua whakarewa | — | marama, marama | — | — | — | — | — |
te matū ngawari ka taea te waikura | paahi | paahi | paahi | paahi | paahi | paahi | kua hipa★ |
matū kare noa te waro | — | kaua e pouri atu i te Y5(kowhai) | kaua e pouri atu i te Q(mawhero) | paahi | paahi | paahi | — |
konganuku taumaha (Pb) | ≤0.001% | ≤10ppm | ≤10ug/g | ≤0.001% | ≤10mg/kg | — | ≤0.001% |
te toenga i runga i te mura | ≤0.1% | — | ≤0.05% | 0.05% | — | ≤0.05% | — |
ira whakarewa | 121-124.5ºC | 121-124ºC | 121-123ºC | 121-123ºC | 121.5-123.5ºC | 121-123 ℃ | 121-123 ℃ |
pūhui māota | — | ≤300ppm | — | ≤0.014% | ≤0.07% () | — | ≤0.014%★ |
arsenic | — | — | — | ≤2mg/Kg | ≤3mg/kg | — | ≤2mg/Kg |
waikawa phthalic | — | — | — | paahi | — | — | ≤100mg/kg★ |
pūkawa ngāwha | ≤0.1% | — | — | ≤0.05% | — | — | |
mate i runga i te whakamaroke | — | — | ≤0.7% (makuku) | ≤0.5% | ≤0.5% | ≤0.7% | ≤0.5% (makuku) |
mercury | — | — | — | — | ≤1mg/kg | — | — |
arahi | — | — | — | — | ≤5mg/kg | ≤2.0mg/kg☆ | — |
biphenyl | — | — | — | — | — | — | ≤100mg/kg★ |
Taumata/tuemi | kōeke moni | kōeke runga |
ahua | ma kirikiri totoka | he ma, he kowhai kowhai marama ranei he toka |
ihirangi, % ≥ | 99.5 | 99.0 |
chromaticity ≤ | 20 | 50 |
ira whakarewa, ℃ ≥ | 121 |
Packaging: peeke polypropylene raranga me te putea kiriata polythene o roto
Whakatakotoranga Packaging: 25kg, 850 * 500mm
He aha te whakamahi i tewaikawa benzoic? Mahi Waikawa Benzoic:
(1) Whakanuia te mahi a nga poaka, ina koa te pai o te huringa kai
(2) Tiaki; He kaihoko antimicrobial
(3) Ka whakamahia te nuinga mo te antifungal me te antiseptic
(4) Ko te waikawa Benzoic tetahi momo momo waikawa nui hei tiaki kai
Ko te waikawa Benzoic me ona tote kua whakamahia mo nga tau maha hei tiaki
he kai ma te ahumahi kai, engari i etahi whenua ano he taapiri maataki, na te kaha o te kaha ki nga momo harore me nga rewena.
Wā tuku: Hūrae-18-2024