5908-27-0

• 常用中文名：1,2-萘醌-4-磺酸钾盐
• 常用英文名：1-Naphthalenesulfonicacid, 3,4-dihydro-3,4-dioxo-, potassium salt (1:1)
• CAS号：5908-27-0
• 分子式：C₁₀H₅KO₅S
• 分子量：276.30700
• 相关类别： 化学试剂 有机试剂 双环化合物
• 发布时间：2018-03-04 08:00:00
• 更新时间：2024-01-09 19:01:17

• 染料中间体。钠盐还用于比色测定胺类、氨基酸和磺胺衍生物。

名称

• 中文名: 1,2-萘醌-4-磺酸钾盐
• 英文名: potassium 1,2-naphthoquinone-4-sulfonic acid
• 中文别名: 1,2-萘醌-4-磺酸钾
• 英文别名: potassium 1,2-naphthoquinone-4-sulphonate; 3,4-Dioxo-3,4-dihydronaphthalene-1-sulfonic acid potassium salt; EINECS 227-611-7; 1,2-NAPHTHOQUINONE-4-SULFONIC ACID POTASSIUM SALT TECH; 3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid potassium salt; B-Naphthoquinone-4-sulfonic acid potassium salt; 1,2-NAPHTHOQUINONE-4-SULFONIC ACID POTASSIUM SALT

物化性质

• 密度: 1.68g/cm3
• 熔点: 286-288ºC(lit.)
• 分子式: C₁₀H₅KO₅S
• 分子量: 276.30700
• 精确质量: 275.94900
• PSA: 99.72000
• LogP: 1.41890
• 折射率: 1.691
• 储存条件:

  避光，阴凉干燥处，密封保存

• 稳定性:

  常温常压下稳定，金黄色针状结晶。90%产品的熔点286-288℃。能溶于50%醇，微溶于水，溶液呈弱碱性。该品钠盐（[521-24-4]）易溶于水，微溶于95%乙醇。

• 计算化学:

  1、 疏水参数计算参考值（XlogP）：-0.1

  2、 氢键供体数量：1

  3、 氢键受体数量：5

  4、 可旋转化学键数量：1

  5、 互变异构体数量：

  6、 拓扑分子极性表面积（TPSA）：88.5

  7、 重原子数量：16

  8、 表面电荷：0

  9、 复杂度：468

  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：未确定

  2. 密度（g/mL,25/4℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：286-288

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率：未确定

  8. 闪点（ºC）：未确定

  9. 比旋光度（º）：未确定

  10. 自燃点或引燃温度（ºC）：未确定

  11. 蒸气压（kPa,25ºC）：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

Name: 1 2-Naphthoquinone-4-sulfonic acid potassi um salt tech. 90% Material Safety Data Sheet Synonym: CAS: 5908-27-0 Section 1 - Chemical Product MSDS Name:1 2-Naphthoquinone-4-sulfonic acid potassi um salt tech. 90% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 5908-27-0 1,2-Naphthoquinone-4-sulfonic acid pot tech., 9 227-611-7 Hazard Symbols: XI Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. 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. Ingestion: Get medical aid. 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: 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. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. 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. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 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# 5908-27-0: Personal Protective Equipment Eyes: Not available. 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: Powder Color: orange Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 286 - 288 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C10H5KO5S Molecular Weight: 276.29 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 5908-27-0 unlisted. LD50/LC50: Not available. Carcinogenicity: 1,2-Naphthoquinone-4-sulfonic acid potassi um salt - 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 Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: IMO Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 5908-27-0: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 5908-27-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 5908-27-0 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S22-S26-S37-S39

上下游产品

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54808-30-9

制备

1-氨基-2-萘酚-4-磺酸用稀硝酸氧化，由于放出二氧化氮，使得到的糊状产物带橙黄色，加入饱和氯化铵溶液，生成1,2-萘醌-4-磺酸铵。将其溶于含溴的水中用活性炭脱色，再加饱和氯化钾析出钾盐结晶，收率17-18%。