CAS: | 2516-96-3 | |||
分子式: | C7H4ClNO4 | |||
分子量: | 201.56 | |||
熔点: | 164-168℃ | |||
中文名称: |
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英文名称: |
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性质描述: | 从水中析出针状结晶。熔点165-166℃(166-168℃),相对密度1.608(18/4℃)。溶于乙醇、乙醚、苯,微溶于冷水。 | |||
生产方法: | 由邻氯苯甲酸经硝化而得。将邻氯苯甲酸、硫酸冷却至0℃以下,然后加混酸,在0℃下进行硝化,反应8h后,加热至60℃,再倒入冰水中析出硝基物,再结晶即得成品。 | |||
用途: | 用于合成2-氯-5-氨基苯甲酸、5-硝基水杨酸及其酯类、酰胺类中间体。 |
货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
C804279 | MACKLIN | 2-氯-5-硝基苯甲酸 | 99% | 30元/25g; 58元/100g; 288元/500g; 571元/1kg; 1427元/2.5kg; 2699元/5kg; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
储存:室温 状态:白色到灰白色粉末 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
C0877 | TCI | 2-Chloro-5-nitrobenzoic Acid | >98.0%(GC)(T) | 200元/25G; 1370元/500G; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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技术规格
物性(参考值)
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386538 | J&K | 2-Chloro-5-nitrobenzoic Acid | 99% | 100元/25G; 169元/100G; 612元/500G; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
基本信息
安全信息
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A13754 | Alfa Aesar | 2-Chloro-5-nitrobenzoic Acid | 98+% | 383元/5g; 406元/100g; 1840元/500g; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
基本信息 MDL EINECS 分子式 分子量 熔点 闪点 灵敏度 形态 Beilstein GHS危害和防范说明 GHS符号 Hazard Statements Precautionary Statements 安全信息 危险类别 安全等级 TSCA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
C15469 | Alfa Aesar | 2-Chloro-5-nitrobenzoic Acid | 99+% | 881元/100g; 3209元/500g; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
基本信息 Ref# MDL 分子式 分子量 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PHR1741 | Supelco | 2-Chloro-5-nitrobenzoic Acid | Pharmaceutical Secondary Standard; Certified Reference Material | 3096.84元/200 MG; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
产品说明 一般描述 2-Chloro-5-nitrobenzoic acid, commonly known as Mesalazine Impurity M, is a related compound of anti-inflammatory agent Mesalazine. Mesalazine belongs to a group of drugs referred to as aminosalicylates and is generally used in the treatment of inflammatory bowel disease. 应用 These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements. 分析说明 These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. 其他说明 This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. 附注 To see an example of a Certificate of Analysis for this material enter LRAA7964 in the slot below. This is an example certificate only and may not be the lot that you receive. 基本信息
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079108 | Fluorochem | 2-Chloro-5-nitrobenzoic Acid | 95% | 220元/25g; 440元/100g; | 展开 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
基本信息
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