536-46-9

• 常用中文名：N,N-二甲基对苯二胺,盐酸盐
• 常用英文名：p-Dimethylaminoaniline dihydrochloride
• CAS号：536-46-9
• 分子式：C₈H₁₄Cl₂N₂
• 分子量：209.116
• 相关类别： 有机原料 氨基化合物 无环单胺、多胺及其衍生物和盐
• 发布时间：2018-06-06 19:50:26
• 更新时间：2024-01-04 13:14:24
• 【用途一】
  用作分析试剂
  【用途二】
  适用于过氧化物酶测试（suitable for peroxidase test），环保试剂

名称

• 中文名: N,N-二甲基对苯二胺二盐酸盐
• 英文名: n,n-dimethyl-p-phenylenediamine monohydrochloride
• 中文别名: N,N-二甲基对苯二胺,盐酸盐; 4-氨基-N,N-二甲基苯胺二盐酸盐; N,N-二甲基-1,4-苯二胺二盐酸盐; 4-氨基-N,N-二甲基苯胺盐酸盐
• 英文别名: DIMETHYLAMINOANILINE; EINECS 218-146-0; 4-Amino-N,N-dimethylaniline dihydrochloride; DMPPDA.2HCl; N,NDimethylPPhenylenediamineDihclGr; N,N-Dimethyl-p-phenylenediami; 1,4-benzenediamine, N,N-dimethyl-, dihydrochloride; N,N-Dimethylbenzene-1,4-diamine dihydrochloride; DMPPDA 2HCL; NNDIMETHYLPARAPHENYLENEDIAMINE; N,N-dimethyl-1,4-phenylenendiamine dihydrochloride; N,N-DIMETHYL-P-PHENYLENEDIAMINE DI HCL; 4-Dimethylaminoaniline Dihydrochloride; N,N-Dimethyl-p-phenylenediamine dihydrochloride; N,N'-(dimethylamino)-1,4-phenylenediamine dihydrochloride; MFCD00012990; usafek-7423; N,N-DIMETHYL-P-PHENYLENEDIAMINE 2HCL; N,N,-dimethyl-p-phenylenediamine dihydrochloride; N,N-Dimethyl-p-phenylenediammonium Dichloride; 1,4-(N,N-dimethyl)phenylenediamine dihydrochloride; N,N-dimethyl-1,4-phenylenediamine dihydrochloride; DMPPDA2HC1; p-Dimethylaminoaniline dihydrochloride; DMPD 2HCL; 1,4-Benzenediamine, N,N-dimethyl-, hydrochloride (1:2); N,N-Dimethyl-1,4-benzenediamine dihydrochloride

物化性质

• 密度: 0.94g/cm3
• 沸点: 211.6ºC at 760mmHg
• 熔点: 222 °C (dec.)(lit.)
• 分子式: C₈H₁₄Cl₂N₂
• 分子量: 209.116
• 闪点: 84.2ºC
• 精确质量: 208.053406
• PSA: 29.26000
• LogP: 3.52000
• 外观性状: 固体;White to Light yellow to Dark green powder to crystaline
• 储存条件:

  充氮气密封避光干燥保存，储存温度为-20℃。

• 稳定性:

  1.暴露在空气会变黑。

  2.易吸潮，吸入、口服或接触皮肤有毒，大量使用应穿适当的防护服。

• 计算化学:

  1、 疏水参数计算参考值（XlogP）：

  2、 氢键供体数量：3

  3、 氢键受体数量：2

  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）：29.3

  7、 重原子数量：12

  8、 表面电荷：0

  9、 复杂度：93.4

  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：3

• 更多:

  1. 性状：白色至灰色粉末

  2. 密度（g/ cm³,25/4℃）：未确定

  3. 相对蒸汽密度（g/cm³,空气=1）：未确定

  4. 熔点（ºC）：199

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,8kPa）：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（mm Hg,20ºC）：未确定

  12. 饱和蒸气压（kPa,55.1ºC）：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：易溶于水、乙醇、苯和三氯甲烷中，微溶于乙醚。与有机过氧化物反应产生紫红色产物。

生物活性

• 描述: N、 N-二甲基对苯二胺二盐酸盐是一种生物化学试剂,可作为生物材料或有机化合物进行生命科学相关研究。
• 相关类别:
  研究领域 >> 其他

MSDS

Name: N N-Dimethyl-P-Phenylenediamine Dihydrochloride 99% Material Safety Data Sheet Synonym: USAF EK-742 CAS: 536-46-9 Section 1 - Chemical Product MSDS Name:N N-Dimethyl-P-Phenylenediamine Dihydrochloride 99% Material Safety Data Sheet Synonym:USAF EK-742 Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 536-46-9 N,N-Dimethyl-p-Phenylenediamine Dihydr 99 208-635-7 Hazard Symbols: T Risk Phrases: 23/24/25 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Toxic by inhalation, in contact with skin and if swallowed.Hygroscopic (absorbs moisture from the air).Light sensitive.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. The toxicological properties of this material have not been fully investigated. Skin: May cause skin irritation. The toxicological properties of this material have not been fully investigated. Ingestion: May cause digestive tract disturbances. 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 immediately. Skin: Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. 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: 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 agent most appropriate to extinguish fire. Do NOT get water inside containers. Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Wash hands before eating. Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Store protected from light. Do not allow contact with water. Wash clothing before reuse. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. Store protected from light. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 536-46-9: 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: Chunks Color: off-white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 222 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: N/A Explosion Limits, upper: N/A Decomposition Temperature: Solubility in water: freely soluble Specific Gravity/Density: Molecular Formula: C8H12N2.2HCl Molecular Weight: 209.12 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, light, moisture. Incompatibilities with Other Materials: Strong oxidizing agents, acids, acid chlorides, acid anhydrides. Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 536-46-9: ST1300000 LD50/LC50: Not available. Carcinogenicity: N,N-Dimethyl-p-Phenylenediamine Dihydrochloride - Not listed by ACGIH, IARC, or NTP. Other: See actual entry in RTECS for complete information. 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: TOXIC SOLID, ORGANIC, N.O.S.* Hazard Class: 6.1 UN Number: 2811 Packing Group: II IMO Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing Group: II RID/ADR Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing group: II Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: T Risk Phrases: R 23/24/25 Toxic by inhalation, in contact with skin and if swallowed. Safety Phrases: S 28A After contact with skin, wash immediately with plenty of water. 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# 536-46-9: No information available. Canada CAS# 536-46-9 is listed on Canada's DSL List. CAS# 536-46-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 536-46-9 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 急性毒性：小鼠经腹腔LC50：25mg/kg，除致死剂量外无详细说明； 生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。 CHEMICAL IDENTIFICATION RTECS NUMBER : ST1300000 CHEMICAL NAME : p-Phenylenediamine, N,N-dimethyl-, dihydrochloride CAS REGISTRY NUMBER : 536-46-9 LAST UPDATED : 199701 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C8-H12-N2.2Cl-H MOLECULAR WEIGHT : 209.14 WISWESSER LINE NOTATION : ZR DN1&1 &GH 2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD404-218 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83511 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 700 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83511 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

安全

• 符号: GHS06
• 信号词: Danger
• 危害声明: H300-H311 + H331-H319
• 警示性声明: P261-P264-P280-P301 + P310-P305 + P351 + P338-P311
• 个人防护装备: Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
• 危害码 (欧洲): T:Toxic;
• 风险声明 (欧洲): R23/24/25
• 安全声明 (欧洲): S36/37-S45
• 危险品运输编码: UN 2811 6.1/PG 2
• WGK德国: 3
• RTECS号: ST1750000
• 包装等级: III
• 危险类别: 6.1
• 海关编码: 2921590090

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制备

1.用工业盐酸溶解二甲基苯胺，并冷至0～5℃，然后将亚硝酸钠溶液加到二甲基苯胺的酸溶液中，进行亚硝化反应。反应结束后，滤出对亚硝基N,N-二甲基苯胺，用浓盐酸洗涤后滤干，再用浓盐酸溶解。在冷却和搅拌下，分次少量加入还原锌粉，温度控制在30℃左右。当溶液完全脱色后，冷却，再加入25%的氢氧化钠至强碱性，过滤后的滤液静置分层，水层加乙醚提取，回收乙醚后与油层合并进行减压蒸馏5.732kPa下收集164～165℃馏分，将收集到的馏分倒入盐酸，脱色过滤，浓缩，用丙酮析出结晶，滤干后即为成品N,N-二甲基对苯二胺盐酸盐。过程反应式为：

海关

海关编码	2921590090
中文概述	2921590090. 其他芳香多胺及衍生物及它们的盐. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 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
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%