145-74-4

• 常用中文名：8-氯萘-1-磺酸
• 常用英文名：1-Naphthalenesulfonicacid, 8-chloro-
• CAS号：145-74-4
• 分子式：C₁₀H₇ClO₃S
• 分子量：242.67900
• 发布时间：2018-02-22 08:00:00
• 更新时间：2025-08-25 17:24:18

名称

• 中文名: 8-氯萘-1-磺酸
• 英文名: 8-chloronaphthalene-1-sulfonic acid
• 中文别名: 8-氯萘磺酸二水合物
• 英文别名: 8-chloronapthalene-1-sulfonic acid; 8-CHLORONAPHTHALENE-1-SULFONIC ACID DIHYDRATE; 8-Chlor-naphthalin-sulfonsaeure-(1); 8-Chloro-1-naphthalenesulfonic acid; 8-chloro-naphthalene-1-sulfonic acid; 8-chloronaphthalene-1-sulphonic acid; 8-Chlor-naphthalin-1-sulfonsaeure; EINECS 205-661-0

物化性质

• 密度: 1.533g/cm3
• 熔点: 145ºC
• 分子式: C₁₀H₇ClO₃S
• 分子量: 242.67900
• 精确质量: 241.98000
• PSA: 62.75000
• LogP: 3.82070
• 储存条件:

  密封于干燥阴凉处保存。

• 稳定性:

  常温常压下稳定。

• 分子结构:

  五、分子性质数据：

  1、 摩尔折射率：59.48

  2、 摩尔体积（m³/mol）：158.2

  3、 等张比容（90.2K）：442.3

  4、 表面张力（dyne/cm）：60.9

  5、 极化率（10^-24cm³）：23.58

• 计算化学:

  1.疏水参数计算参考值（XlogP）:2.5

  2.氢键供体数量:1

  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:无

  6.拓扑分子极性表面积62.8

  7.重原子数量:15

  8.表面电荷:0

  9.复杂度:322

  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:

  一、物性数据：

  1. 熔点（ºC）：145-147ºC

MSDS

Name: 8-Chloronaphthalene-1-sulfonic acid 97% Material Safety Data Sheet Synonym: CAS: 145-74-4 Section 1 - Chemical Product MSDS Name:8-Chloronaphthalene-1-sulfonic acid 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 145-74-4 8-Chloronaphthalene-1-sulfonic acid 97% 205-661-0 Hazard Symbols: C Risk Phrases: 34 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Causes burns. Potential Health Effects Eye: Causes eye burns. Skin: Causes skin burns. Ingestion: Causes gastrointestinal tract burns. Inhalation: Causes chemical burns to the respiratory tract. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Do not induce vomiting. Get medical aid immediately. Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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. 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. Section 7 - HANDLING and STORAGE Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. Corrosives area. 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# 145-74-4: 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: Solid Color: off-white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 145 - 147 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: C10H7ClO3S Molecular Weight: 242.68 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Hydrogen chloride, chlorine, carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 145-74-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 8-Chloronaphthalene-1-sulfonic 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 Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.* Hazard Class: 8 UN Number: 3261 Packing Group: III IMO Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. Hazard Class: 8 UN Number: 3261 Packing Group: III RID/ADR Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. Hazard Class: 8 UN Number: 3261 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: C Risk Phrases: R 34 Causes burns. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 145-74-4: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 145-74-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 145-74-4 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: 三、生态学数据： 其它有害作用：该物质对环境可能有危害，对水体应给予特别注意。

安全

• 危害码 (欧洲): C:Corrosive;
• 风险声明 (欧洲): R34
• 安全声明 (欧洲): S26-S36/37/39-S45
• 海关编码: 2904909090

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海关

海关编码	2904909090
中文概述	2904909090 其他烃的磺化、硝化、亚硝化衍生物（不论是否卤化）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%