of benzoic acid lies in the undissociated (nonionized acid) molecules that increase in number as the pH of the food environment drops. The dissociation constant (pKa) of benzoic acid is 4.2, at which pH the concentration of both the dissociated and undissociated fractions are equal (Figure 1...
英文名称:Benzoic Acid、Carboxybenzene 别名:安息香酸、苯酸、苯蚁酸、苄酸、息香酸 分子式:C6H5COOH 有效物质含量:99 型号:食品级 品牌:Benzoic Acid、Carboxybenzene生产厂家 CAS编号: 65-85-0 用途:食品、饲料、工业等防腐、抑菌、延长保质期 苯甲酸生产厂家 苯甲酸厂家 食品级苯甲酸 用途 苯甲酸报价 苯甲酸...
FEMA2131 | BENZOIC ACID Flash point250 °F storage temp.2-8°C solubilitysoluble, clear, colorless (95% ethanol, 1gm/3mL) pka4.19(at 25℃) formSolid colorWhite to yellow-beige to orange PH3.66(1 mM solution);3.12(10 mM solution);2.6(100 mM solution); ...
Benzoicacid,2-hydroxy-,cyclohexylester 性质 沸点 192-193 °C(Press: 30 Torr) 密度 1.17±0.1 g/cm3(Predicted) 蒸气压 0.001-0.055Pa at 20℃ 酸度系数(pKa) 8.13±0.30(Predicted) 气味(Odor) 花香香脂甜味 香型 floral LogP 4.5-4.7 at 35℃ and pH7 表面张力 65-72.8mN/m at 1.1-5mg/L and...
中文名称2-二苯基膦苯甲酸英文名称2-(Diphenylphosphino)benzoic acid 中文别名 2-(二苯基膦基)苯甲酸;2-(二苯基磷)苯甲酸;2-(联苯基膦基)苯甲酸; 英文别名 2-diphenylphosphanylbenzoic acid;2-(Diphenylphosphino)benzoic Acid;(2-Carboxyphenyl)diphenylphosphine; ...
Dietary supplementation of benzoic acid and essential oil compounds affects buffering capacity of the feeds, performance of Turkey poults and their antioxidant status, pH in the digestive tract, intestinal microbiota and morphology Monohydroxy benzoic acids with the -OH moiety at the ortho- or para-...
Benzoic Acid Standard 苯甲酸标准品 品牌:FUJIFILM Wako 发表于2023年12月21日由上海金畔生物科技有限公司 Benzoic Acid Standard 苯甲酸标准品 品牌:FUJIFILM Wako CAS No.:65-85-0 储存条件:2-10℃ 纯度:99.0+% (qNMR) 产品编号 (生产商编号)
Benzoicacid, 2-methyl-2-phenylhydrazide海关 海关编码 2928000090 中文概述 2928000090 其他肼(联氨)及胲(羟胺)的有机衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:20.0% 申报要素 品名, 成分含量, 用途 Summary 2928000090 other organic derivatives of hydrazine or of...
[Benzoic acid,2-cyclohexylidenehydrazide]化源网提供Benzoic acid,2-cyclohexylidenehydrazideCAS号24214-79-7,Benzoic acid,2-cyclohexylidenehydrazideMSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询Benzoic acid,2
At pH values above 4.2 (the pKa of benzoic acid), a gradual suppression of the adsorption occurred; at pH 4.9 and above, no adsorption was noted. The effect of sodium citrate on adsorption is attributable to pH and ionic strength effects. Citric acid had an insignificant effect on the ...