Kini benzoic acid?
Jọwọ ṣayẹwo alaye
Orukọ ọja: Benzoic acid
CAS No.: 65-85-0
Ilana molikula: C7H6O2
Awọn ohun-ini: Flaky tabi apẹrẹ abẹrẹ, pẹlu benzene ati õrùn formaldehyde; die-die tiotuka ninu omi; tiotuka ninu ọti ethyl, ether diethyl, chloroform, benzene, carbon disulfide ati erogba tetrachloride; yo ojuami (℃): 121,7 ; aaye farabale (℃): 249,2; riru oru ti o kun (kPa): 0.13 (96℃); ojuami ìmọlẹ (℃): 121; iwọn otutu ina (℃): 571; iye ibẹjadi kekere% (V/V): 11; atọka itọka: 1.5397nD
Kini lilo akọkọ ti benzoic acid?
Awọn lilo akọkọ:Benzoic acidti lo bi oluranlowo bacteriostatic ti emulsion, toothpaste, jam ati awọn ounjẹ miiran; mordant ti dyeing ati titẹ sita; agbedemeji ti oogun ati awọn awọ; fun igbaradi ti plasticizer ati lofinda; irin ẹrọ antirust oluranlowo.
Atọka akọkọ:
| Standard ohun kan | Kannada pharmacopoeia 2010 | British Pharmacopoeia BP 98-2009 | Orilẹ Amẹrika Pharmacopeia USP23-32 | ounje aropo GB1901-2005 | E211 | FCCV | ounje aropo NY / T1447-2007 |
| irisi | funfun flaky tabi abẹrẹ apẹrẹ gara | colorless gara tabi funfun gara lulú | - | funfun gara | funfun gara lulú | flaky funfun tabi apẹrẹ abẹrẹ crystal\ | funfun gara |
| afijẹẹri igbeyewo | koja | koja | koja | koja | koja | koja | koja |
| akoonu ipilẹ gbigbẹ | ≥99.0% | 99.0-100.5% | 99.5-100.5% | ≥99.5% | ≥99.5% | 99.5% -100.5% | ≥99.5% |
| epo irisi | - | ko o, sihin | - | - | - | - | - |
| ni imurasilẹ oxidizable nkan na | koja | koja | koja | koja | koja | koja | koja★ |
| ni imurasilẹ carbonizable nkan na | - | ko dudu ju Y5 (ofeefee) | ko dudu ju Q (Pinki) | koja | koja | koja | - |
| irin eru (Pb) | ≤0.001% | ≤10ppm | ≤10ug/g | ≤0.001% | ≤10mg/kg | - | ≤0.001% |
| aloku lori iginisonu | ≤0.1% | - | ≤0.05% | 0.05 | - | ≤0.05% | - |
| yo ojuami | 121-124.5ºC | 121-124ºC | 121-123ºC | 121-123ºC | 121.5-123.5ºC | 121-123 ℃ | 121-123 ℃ |
| chlorine agbo | - | ≤300ppm | - | ≤0.014% | ≤0.07% () | - | ≤0.014%★ |
| arsenic | - | - | - | ≤2mg/kg | ≤3mg/kg | - | ≤2mg/kg |
| phthalic acid | - | - | - | koja | - | - | ≤100mg/kg★ |
| imi-ọjọ | ≤0.1% | - | - | ≤0.05% | - | - | |
| pipadanu on gbigbe | - | - | ≤0.7% (ọrinrin) | ≤0.5% | ≤0.5% | ≤0.7% | ≤0.5% (ọrinrin) |
| Makiuri | - | - | - | - | ≤1mg/kg | - | - |
| asiwaju | - | - | - | - | ≤5mg/kg | ≤2.0mg/kg☆ | - |
| biphenyl | - | - | - | - | - | - | ≤100mg/kg★ |
| Ipele/ohun kan | Ere ite | oke ite |
| irisi | funfun flaky ri to | funfun tabi ina ofeefee flaky ri to |
| akoonu,% ≥ | 99.5 | 99.0 |
| chromaticity ≤ | 20 | 50 |
| yo ojuami, ℃ ≥ | 121 | |
Iṣakojọpọ: apo polypropylene ti a hun pẹlu apo fiimu polythene inu
Apoti sipesifikesonu: 25kg, 850 * 500mm
Kí nìdí lo awọnbenzoic acid? Benzoic Acid iṣẹ:
(1) Ṣe ilọsiwaju iṣẹ ti awọn ẹlẹdẹ, ni pato ṣiṣe ti iyipada kikọ sii
(2) Itoju; Aṣoju antimicrobial
(3) Ni akọkọ ti a lo fun antifungal ati apakokoro
(4) Benzoic acid jẹ itọju ifunni iru acid pataki
Benzoic acid ati awọn iyọ rẹ ti lo fun ọpọlọpọ ọdun bi olutọju
Awọn aṣoju nipasẹ ile-iṣẹ ounjẹ, ṣugbọn ni diẹ ninu awọn orilẹ-ede tun bi awọn afikun silage, nipataki nitori ipa wọn ti o lagbara si ọpọlọpọ awọn elu ati awọn iwukara.
Akoko ifiweranṣẹ: Oṣu Keje-18-2024
