122-25-8

• 常用中文名：5,5'-亚甲基二水杨酸
• 常用英文名：5,5'-Methylenedisalicylic acid
• CAS号：122-25-8
• 分子式：C₁₅H₁₂O₆
• 分子量：288.25200
• 相关类别： 化学试剂 有机试剂 芳香酸
• 发布时间：2018-08-28 16:39:10
• 更新时间：2024-01-02 06:59:06

名称

• 中文名: 5,5'-亚甲基二水杨酸
• 英文名: 5,5‘-Methylenedisalicylic acid
• 中文别名: 5,5’-亚甲基二水杨酸
• 英文别名: EINECS 204-530-5; MFCD00016506; 5-[(3-carboxy-4-hydroxyphenyl)methyl]-2-hydroxybenzoic acid; 5,5'-Methylenebis(2-hydroxybenzoic acid); 5,5'-Methylenedisalicylic acid; 5,5′-Methylenedisalicylic acid

物化性质

• 密度: 1.511 g/cm3
• 沸点: 569.6ºC at 760 mmHg
• 熔点: 235-242 °C
• 分子式: C₁₅H₁₂O₆
• 分子量: 288.25200
• 闪点: 312.3ºC
• 精确质量: 288.06300
• PSA: 115.06000
• LogP: 2.08500
• 外观性状: 奶油色粉末
• 蒸汽压: 8.19E-14mmHg at 25°C
• 储存条件: 室温，密闭，干燥
• 水溶解性: insoluble
• 分子结构:

  五、分子性质数据：

  1、 摩尔折射率：73.19

  2、 摩尔体积（m³/mol）：190.7

  3、 等张比容（90.2K）：572.6

  4、 表面张力（dyne/cm）：81.1

  5、 介电常数：

  6、 偶极距（10 ^-24cm ³）：

  7、 极化率：29.01

• 计算化学:

  1.疏水参数计算参考值（XlogP）:3.3

  2.氢键供体数量:4

  3.氢键受体数量:6

  4.可旋转化学键数量:4

  5.互变异构体数量:10

  6.拓扑分子极性表面积115

  7.重原子数量:21

  8.表面电荷:0

  9.复杂度:360

  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. 熔点（℃）：235-242°C

  2. 溶解性：不溶于水

MSDS

Name: 5 5 -Methylenedisalicylic Acid 95% Material Safety Data Sheet Synonym: None Known CAS: 122-25-8 Section 1 - Chemical Product MSDS Name:5 5 -Methylenedisalicylic Acid 95% Material Safety Data Sheet Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 122-25-8 5,5'-Methylenedisalicylic Acid 95% 204-530-5 Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. Ingestion: May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use foam, dry chemical, or carbon dioxide. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use only in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 122-25-8: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Crystals Color: Not available. Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 238 deg C (dec) Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Insoluble. Specific Gravity/Density: Molecular Formula: C15H12O6 Molecular Weight: 288.0804 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not currently available. Conditions to Avoid: Incompatible materials, dust generation. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 122-25-8 unlisted. LD50/LC50: Not available. Carcinogenicity: 5,5'-Methylenedisalicylic Acid - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 122-25-8: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 122-25-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 122-25-8 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 安全声明 (欧洲): S24/25
• 海关编码: 2918290000

合成路线

128626-47-1 ~91% 122-25-8

文献：Cushman, Mark; Kanamathareddy, Suseela Tetrahedron, 1990 , vol. 46, # 5 p. 1491 - 1498

50-00-0 69-72-7 ~87% 122-25-8

文献：Sanjeeva Reddy, Cherkupally; Raghu, Mekala Chemical and Pharmaceutical Bulletin, 2008 , vol. 56, # 12 p. 1732 - 1734

1829-32-9 ~% 122-25-8

文献：Tetrahedron, , vol. 46, # 5 p. 1491 - 1498

28505-57-9 ~% 122-25-8

文献：Bioorganic and Medicinal Chemistry Letters, , vol. 17, # 10 p. 2760 - 2764

124-38-9 620-92-8 ~% 122-25-8

文献：Journal of Applied Chemistry, , vol. 3, p. 486,493

119-36-8 ~% 122-25-8

文献：Bioorganic and Medicinal Chemistry Letters, , vol. 17, # 10 p. 2760 - 2764

7647-01-0 50-00-0 69-72-7 ~% 122-25-8

文献：Archiv der Pharmazie (Weinheim, Germany), , vol. 245, p. 45 DE49970 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 50

上下游产品

上游产品  7
50-00-0 69-72-7 1829-32-9 124-38-9
620-92-8 119-36-8 7647-01-0
下游产品  7
4431-00-9 2346-44-3 620-92-8 860756-97-4
124-38-9 128626-48-2 639-56-5

海关

海关编码	2918290000
中文概述	2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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
监管条件	A.入境货物通关单 B.出境货物通关单
检验检疫	R.进口食品卫生监督检验 S.出口食品卫生监督检验
Summary	HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%