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无水柠檬酸 (E330)

产地: 中国, 泰国
CAS 编号: 77-92-9
HS 代码: 2918.14.00

基本信息

IUPAC 名称: 2-hydroxypropane-1,2,3-tricarboxylic acid
分子公式: C6H8O7
分子量 (g/mol): 192.1200
inchiKey: KRKNYBCHXYNGOX-UHFFFAOYSA-N
inChi: InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
同义词和商品名称: citric acid; 77-92-9; 2-hydroxypropane-1,2,3-tricarboxylic acid; Citric acid, anhydrous; Aciletten; Anhydrous citric acid; Citro; Citretten; Citric acid anhydrous; Chemfill; Hydrocerol A; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-; 2-hydroxy-1,2,3-propanetricarboxylic acid; Kyselina citronova; 2-Hydroxytricarballylic acid; beta-Hydroxytricarballylic acid; 3-Carboxy-3-hydroxypentane-1,5-dioic acid; FEMA No. 2306; FEMA Number 2306; Citric acid,anhydrous

物理形态: 粉末
外观/颜色: Colorless, translucent crystals or powder
气味: Odorless
熔点 (°C): 153.0000
沸点 (°C): Decomposes (NTP, 1992)
密度 (g/cm³): 1.5400
在水中的溶解度: Solubility in water, g/100ml at 20 °C: 59
信号词: 警告
GHS 危险等级: Serious eye damage/eye irritation, Specific target organ toxicity, single exposure; Respiratory tract irritation, Skin corrosion/irritation
H 声明: H315, H319, H335
P 语句: P261
存储条件: Crystalline citric acid, anhydrous, can be stored in dry form without difficulty, although conditions of high humidity and elevated temperatures should be avoided to prevent caking. Storage should be in tight containers to prevent exposure to moist air. Several granulations are commercially available with the larger particle sizes having less tendency toward caking.
行业用法标签: Flavoring and nutrient

分类

染色和印花化学品

技术文档

无水柠檬酸无水柠檬酸是一种天然存在于柑橘类水果中的有机酸，可用作调节 pH 值和增强风味的多功能食品添加剂。在食品工业中，它充当酸度调节剂，以改善饮料、糖果和罐头食品的口感和质地，同时还起到防腐剂的作用，通过抑制微生物的生长来延长保质期。它可以稳定乳制品和冰淇淋中的乳液，防止水果变色，并增强强化食品中的矿物质吸收。