50419-58-4

• 常用中文名：2-氨基-3,4-二甲基苯甲酸
• 常用英文名：2-Amino-3,4-dimethylbenzoic acid
• CAS号：50419-58-4
• 分子式：C₉H₁₁NO₂
• 分子量：165.189
• 相关类别： 化学试剂 有机试剂 芳烃
• 发布时间：2018-05-20 08:00:00
• 更新时间：2024-01-02 12:11:11
• 下载msds

名称

• 中文名: 2-氨基-3,4-二甲基苯甲酸
• 英文名: 2-Amino-3,4-dimethylbenzoic acid
• 中文别名: 3,4-二甲基邻氨基苯甲酸
• 英文别名: 2-Amino-3.4-dimethyl-benzoesaeure; Benzoic acid, 2-amino-3,4-dimethyl-; p-dimethyl amino benzoic acid; 2-Amino-3,4-dimethylbenzoic acid; MFCD00130041; 3,4-dimethylanthranilic acid; 3,4-dinethylanthranilic acid; 2-AMINO-3,4-DIMETHYL-BENZOIC ACID

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 340.3±30.0 °C at 760 mmHg
• 熔点: 180°C (dec.)
• 分子式: C₉H₁₁NO₂
• 分子量: 165.189
• 闪点: 159.6±24.6 °C
• 精确质量: 165.078979
• PSA: 63.32000
• LogP: 2.13
• 外观性状: 固体;White to Light yellow powder to crystal
• 蒸汽压: 0.0±0.8 mmHg at 25°C
• 折射率: 1.604
• 储存条件:

  保持贮藏器密封、储存在阴凉、干燥的地方，确保工作间有良好的通风或排气装置

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险反应

• 水溶解性: 可溶于：甲醇
• 计算化学:

  1.疏水参数计算参考值（XlogP）:2

  2.氢键供体数量:2

  3.氢键受体数量:3

  4.可旋转化学键数量:1

  5.互变异构体数量:9

  6.拓扑分子极性表面积63.3

  7.重原子数量:12

  8.表面电荷:0

  9.复杂度:181

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:1

• 更多:

  1. 性状：粉末

  2. 密度（g/mL,25ºC）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：180

  5. 沸点（ºC）：未确定

  6. 沸点（ºC，0.5mm hg）：未确定

  7. 折射率：未确定

  8. 闪点（ºC）：未确定

  9. 比旋光度（ºC）：未确定

  10. 自燃点或引燃温度（ºC）： 未确定

  11. 蒸气压（kPa,20ºC）：未确定

  12. 饱和蒸气压（kPa,60ºC）：未确定

  13. 燃烧热（KJ/mol）：未确定

  14. 临界温度（ºC）：未确定

  15. 临界压力（KPa）：未确定

  16. 油水（辛醇/水）分配系数的对数值：未确定

  17. 爆炸上限（%,V/V）：未确定

  18. 爆炸下限（%,V/V）：未确定

  19. 溶解性：未确定

MSDS

Material Safety Data Sheet Section1. Identification of the substance 2-Amino-3,4-dimethylbenzoic acid Product Name: Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation P261:Avoid breathing dust/fume/gas/mist/vapours/spray Wear protective gloves/protective clothing/eye protection/face protection P280: P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing P304+P340:IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing P405:Store locked up Section3. Composition/information on ingredients. 2-Amino-3,4-dimethylbenzoic acid Ingredient name: CAS number:50419-58-4 Section4. First aid measures Immediately wash skin with copious amounts of water for at least 15 minutes while removing Skin contact: contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Ingestion: Section5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution:Wear approved mask/respirator Hand precaution:Wear suitable gloves/gauntlets Skin protection:Wear suitable protective clothing Eye protection:Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section7. Handling and storage Handling:This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Storage:Store in closed vessels. Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Not specified Appearance: Boiling point:No data Melting point:No data Flash point:No data Density:No data Molecular formula:C9H11NO2 Molecular weight:165.2 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对水是稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xi: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26-S37/39
• 海关编码: 2922499990

合成路线

20205-43-0 ~64% 50419-58-4

文献：Rewcastle, Gordon W.; Atwell, Graham J.; Zhuang, Li; Baguley, Bruce C.; Denny, William A. Journal of Medicinal Chemistry, 1991 , vol. 34, # 1 p. 217 - 222

87-59-2 ~% 50419-58-4

文献：Wright, Karen; Alvarez, Antonio Blanco; Crisma, Marco; Toffoletti, Antonio; Formaggio, Fernando; Toniolo, Claudio Helvetica Chimica Acta, 2012 , vol. 95, # 12 p. 2446 - 2459

6579-44-8 ~% 50419-58-4

文献：Baker et al. Journal of Organic Chemistry, 1952 , vol. 17, p. 149,153

4315-13-3 ~% 50419-58-4

文献：Braendstroem,A.; Carlsson,A.I. Acta Chemica Scandinavica (1947-1973), 1967 , vol. 21, p. 983 - 992

95-47-6 ~% 50419-58-4

文献：Braendstroem,A.; Carlsson,A.I. Acta Chemica Scandinavica (1947-1973), 1967 , vol. 21, p. 983 - 992

49666-83-3 ~% 50419-58-4

文献：Braendstroem,A.; Carlsson,A.I. Acta Chemica Scandinavica (1947-1973), 1967 , vol. 21, p. 983 - 992

3637-01-2 ~% 50419-58-4

文献：Braendstroem,A.; Carlsson,A.I. Acta Chemica Scandinavica (1947-1973), 1967 , vol. 21, p. 983 - 992

上下游产品

上游产品  6
20205-43-0 87-59-2 6579-44-8 4315-13-3
95-47-6 3637-01-2
下游产品  6
117570-53-3 129833-31-4 58138-74-2 117570-93-1
7343-07-9 62484-19-9

海关

海关编码	2922499990
中文概述	2922499990 其他氨基酸及其酯及它们的盐（含有一种以上含氧基的除外）. 增值税率:17.0% 退税率:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装
监管条件	A.入境货物通关单 B.出境货物通关单
检验检疫	P.进境动植物、动植物产品检疫 Q.出境动植物、动植物产品检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验
Summary	HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%