2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid | 2641-01-2

• 物质功能分类: 化学试剂 - 有机试剂 - 芳香酸
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 偶氮苯
• 英文名称: 2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid
• 英文别名: 2-(4-dipropylamino-phenylazo)-benzoic acid；2-(4-Dipropylamino-phenylazo)-benzoesaeure；Propylrot；Benzoesaeure-(2 azo 4)-(N.N-dipropyl-anilin)；4'-Dipropylamino-azobenzol-carbonsaeure-(2)
• CAS: 2641-01-2
• 化学式: C₁₉H₂₃N₃O₂
• 分子量: 325.411
• InChiKey: LIIDWKDFORMMDQ-QZQOTICOSA-N

物化性质

• 熔点：
  173-175 °C
• 沸点：
  463.59°C (rough estimate)
• 密度：
  1.1611 (rough estimate)
• 溶解度：
  不溶于水；溶于乙醇、甲醇
• 稳定性/保质期：
  在常温常压下保持稳定，应避免与不相容的材料接触。

计算性质

• 辛醇/水分配系数(LogP)：
  5.43
• 重原子数：
  24.0
• 可旋转键数：
  8.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.32
• 拓扑面积：
  65.26
• 氢给体数：
  1.0
• 氢受体数：
  4.0

安全信息

• 危险品标志：
  Xn
• 安全说明：
  S22,S36/37
• 危险类别码：
  R44,R20/21/22,R40
• 海关编码：
  29270000

SDS

Name:	Propyl Red 98% (UV-Vis) Material Safety Data Sheet
Synonym:	2-4(Dipeopylamino)phenylazo-Benzoic Aci
CAS:	2641-01-2

Section 1 - Chemical Product MSDS Name:Propyl Red 98% (UV-Vis) Material Safety Data Sheet
Synonym:2-4(Dipeopylamino)phenylazo-Benzoic Aci

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
2641-01-2	Benzoic acid, 2-4-(Dipropylamino)pheny	98	220-140-8

Hazard Symbols: None Listed.
Risk Phrases: None Listed.

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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. 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 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.

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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.
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:

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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 agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.

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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.

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Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 2641-01-2: 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.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: reddish
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 173.50 - 174.50 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: C19H23N3O2
Molecular Weight: 325.40

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 2641-01-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Benzoic acid, 2-4-(Dipropylamino)phenylazo- - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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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.

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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.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
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# 2641-01-2: No information available.
Canada
CAS# 2641-01-2 is listed on Canada's DSL List.
CAS# 2641-01-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2641-01-2 is listed on the TSCA inventory.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

制备方法： 酸碱指示剂，其pH变色范围为4.4（紫红）至6.2（橙黄）。

用途简介：暂无详细信息。

用途： 酸碱指示剂，其pH变色范围为4.4（紫红）至6.2（橙黄）。

反应信息

• 作为产物：
  描述：

  o-Carboxybenzenediazonium 、 N,N-二丙基苯胺 生成 2-[[4-(dipropylamino)phenyl]diazenyl]benzoic acid
  参考文献：
  名称：

  Lubs; Clark, Journal. Washington Academy of Sciences, Washington, D. C, vol. 5, p. 612

  摘要：

  DOI：

文献信息

• Lubs; Clark, Journal. Washington Academy of Sciences, Washington, D. C, vol. 5, p. 612
  作者：Lubs、Clark

  DOI：——

  日期：——