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- 详细信息
- 询价记录
- 文献和实验
- 技术资料
- 保存条件:
2-8°C
- 保质期:
详见产品说明
- 英文名:
Anhydrous citric acid
- 库存:
999
- 供应商:
仕诺达生物
- CAS号:
77-92-9
- 规格:
100mg(多种规格可选)

| 中文名 | 柠檬酸 |
| 英文名 | Citric acid |
| 别名 | 枸橼酸 柠檬酸 柠檬酸酐 无水柠檬酸 枸橼酸,无水 柠檬酸标准品 柠檬酸(无水) 无水柠檬酸标准品 柠檬酸, ACS级 柠檬酸 无水,含水 3-羟基-3-羧基戍二酸 3-羟基-3-羧基戊二酸 柠檬酸, 无水, ACS级 2-羟基丙烷-1,2,3-三羧酸 |
| 英文别名 | BETZ 0623 BETZ 6251 Citric acid Citric acid anhydrous Citric acid anhydride BUFFER CONCENTRATE, PH 9.00 BUFFER CONCENTRATE, PH 8.00 BUFFER CONCENTRATE, PH 7.00 2-hydroxypropane-1,2,3-tricarboxylate 2-Hydroxy-1,2,3-propanetricarboxylic acid BORIC ACID-POTASSIUM CHLORIDE-SODIUM HYDROXIDE BUFFER Citric acid, anhydrous, USP Grade 1,2,3-Propanetricarboxylic acid, 2 hydroxy-citric acid, anhydrous, USP Grade |
| CAS | 77-92-9 |
| EINECS | 201-069-1 |
| 化学式 | C6H8O7 |
| 分子量 | 192.12 |
| InChI | InChI=1/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)/p-3 |
| InChIKey | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
| 密度 | 1.67 g/cm3 at 20 °C |
| 熔点 | 153-159 °C (lit.) |
| 沸点 | 248.08°C (rough estimate) |
| 闪点 | 100 °C |
| 水溶性 | soluble in Water (1174g/L at 10°C, 1809g/L at 30°C, 3825g/L at 80°C). |
| 蒸汽压 | <0.1 hPa (20 °C) |
| 蒸汽密度 | 7.26 (vs air) |
| JECFA Number | 218 |
| 溶解度 | 柠檬酸还在15 °C下溶解于绝对 (无水) 乙醇 (76份柠檬酸/100份乙醇) 中。 |
| 折射率 | 1.493~1.509 |
| 酸度系数 | 3.14(at 20℃) |
| PH值 | 3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution); |
| 存储条件 | 2-8°C |
| 稳定性 | 稳定。与碱、强氧化剂、还原剂、金属硝酸盐不相容。 |
| 敏感性 | Hygroscopic |
| 外观 | 砂砾 |
| 颜色 | White |
| 气味 | Odorless |
| 最大波长(λmax) | ['λ: 260 nm Amax: 0.20', , 'λ: 280 nm Amax: 0.10'] |
| Merck | 14,2326 |
| BRN | 782061 |
| 爆炸极限值 | 8%, 65°F |
| 物化性质 | 白色半透明晶体或粉末。 易溶于水和乙醇 |
| MDL号 | MFCD00011669 |
1H NMR

计算化学数据:
- 分子量:192.12352g/mol
- 化合物是否规范:True
- 准确质量:192.02700259
- 同位素质量:192.02700259
- 复杂度:227
- 可旋转化学键数量:5
- 氢键供体数量:4
- 氢键受体计数:7
- 拓扑极表面积:132
- 重原子数量:13
- 确定原子立构中心数量:0
- 不确定原子立构中心数量:0
- 确定化学键立构中心数量:0
- 不确定化学键立构中心数量:0
- 同位素原子计数:0
- 共价键单元数量:1
- CACTVS Substructure Key Fingerprint:AAADccBgOAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGgAACAAADESAgAAACAAAAgAIAACQCAIAAAAAAAAAAAFAAAABABYAAAAAQAAFIAABAADLJgAKAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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三句话读懂一篇 CNS:「神药」二甲双胍又出抗癌奇招;抑郁症
一层秋雨一层凉,盛夏已离去,早秋即将至,凉爽的天气正是做实验的好时机。本周学术君继续为大家带来一周最新的 CNS 科研进展,共品科学之美!1. Science Advances:揭示新的肝癌癌基因 RRS1每年全世界罹患肝癌的患者高达数十万人。2021 年 8 月 26 日,中国军事科学院周钢桥研究员团队联合贺福初院士团队在 Science Advances 杂志上发表研究论文 Genomic gain of RRS1 promotes hepatocellular carcinoma
Protocol for Trichloroacetic Acid (TCA) Precipitation
and Equipment Required Borosilicate tubes, 12 x 75 mm (e.g., Fisher Cat #14-961-26) 10% TCA (e.g., Acros Cat # 42145-5000; make a 10% (w/v) solution in water) Warning: TCA is caustic! Carrier nucleic acid, 1 mg/ml (e.g., sheared fish
V HCl V HCl pH 0 10.44 1 9.54 2 9.26 3 9.08 3.7 8.98 5ml 8.76 6ml 8.67 10 8.4 11ml 8.22 14 8.13 13.5ml 8.06 14ml 8.04 15ml 7.97 17 7.92 16.5ml 7.82 16.7ml
技术资料








