50768-79-1

• 常用中文名：4-(3,5-二溴-2-吡啶偶氮)-1,3-苯二胺
• 常用英文名：4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine
• CAS号：50768-79-1
• 分子式：C₁₁H₉Br₂N₅
• 分子量：371.03100
• 发布时间：2018-12-31 09:04:20
• 更新时间：2024-01-09 06:21:29
• 用于钴和镉的色度分析

名称

• 中文名: 4-(3,5-二溴-2-吡啶偶氮)-1,3-苯二胺
• 英文名: 4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine
• 英文别名: Dibromopyridylazophenylenediamine; 4-(3,5-DibroMo-2-pyridylazo)-1,3-phenylenediaMine ,Cd]; forcolorimetricanalysisofCo,Cd

物化性质

• 密度: 1.99g/cm3
• 沸点: 536.6ºC at 760 mmHg
• 分子式: C₁₁H₉Br₂N₅
• 分子量: 371.03100
• 闪点: 278.3ºC
• 精确质量: 368.92200
• PSA: 89.65000
• LogP: 5.34880
• 外观性状: 固体;Light yellow to Brown powder to crystal
• 折射率: 1.758
• 储存条件: 存放于惰性气体之中;避免光,空气

MSDS

4-(3,5-Dibromo-2-pyridylazo)-1,3-phenylenediamine [for Revision number: 5 Colorimetric Analysis of Co, Cd] SAFETY DATA SHEET Section1. IDENTIFICATION Product name:4-(3,5-Dibromo-2-pyridylazo)-1,3-phenylenediamine [for Colorimetric Analysis of Co, Cd] Section2. HAZARDS IDENTIFICATION GHS classification Not classified PHYSICAL HAZARDS HEALTH HAZARDS Category 2 Skin corrosion/irritation Serious eye damage/eye irritationCategory 2A ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbols Signal wordWarning Causes skin irritation Hazard statements Causes serious eye irritation Precautionary statements: [Prevention]Wash hands thoroughly after handling. Wear protective gloves/eye protection/face protection. [Response]IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. IF ON SKIN: Gently wash with plenty of soap and water. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance Substance/mixture: Components:4-(3,5-Dibromo-2-pyridylazo)-1,3-phenylenediamine [for Colorimetric Analysis of Co, Cd] Percent:>98.0%(T) 50768-79-1 CAS Number: Chemical Formula:C11H9Br2N5 4-(3,5-Dibromo-2-pyridylazo)-1,3- phenylenediamine [for Colorimetric Analysis of Co, Cd] Section4. FIRST AID MEASURES Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention. Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth. A rescuer should wear personal protective equipment, such as rubber gloves and air- Protection of first-aiders: tight goggles. Section5. FIRE-FIGHTING MEASURES Suitable extinguishingDry chemical, foam, water spray, carbon dioxide. media: Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to from the chemical:generate poisonous fume. Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Remove movable containers if safe to do so. Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment. equipment for firefighters: Section6. ACCIDENTAL RELEASE MEASURES Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak. protective equipment and Entry to non-involved personnel should be controlled around the leakage area by emergency procedures: roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it. containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with up: appropriate laws and regulations. Section7. HANDLING AND STORAGE Precautions for safe handling Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment. Prevent dispersion of dust. Wash hands and face thoroughly after handling. Use a local exhaust if dust or aerosol will be generated. Advice on safe handling: Avoid contact with skin, eyes and clothing. Conditions for safe storage, including any incompatibilities Keep container tightly closed. Store in a cool and dark place. Storage conditions: Store under inert gas. Store away from incompatible materials such as oxidizing agents. Heat-sensitive, Light-sensitive, Air-sensitive Comply with laws. Packaging material: Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering controls:Install a closed system or local exhaust as possible so that workers should not be exposed directly. Also install safety shower and eye bath. Personal protective equipment Respiratory protection: Dust respirator. Follow local and national regulations. Hand protection:Protective gloves. Safety glasses. A face-shield, if the situation requires. Eye protection: Skin and body protection: Protective clothing. Protective boots, if the situation requires. 4-(3,5-Dibromo-2-pyridylazo)-1,3- phenylenediamine [for Colorimetric Analysis of Co, Cd] Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Form:Crystal- Powder Yellow - Yellow red Colour: Odour:No data available pH: No data available Melting point/freezing point:No data available No data available Boiling point/range: Flash point:No data available Flammability or explosive limits: Lower:No data available Upper:No data available Relative density:No data available Solubility(ies): No data available [Water] [Other solvents]No data available Section10. STABILITY AND REACTIVITY Chemical stability:Stable under proper conditions. Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx), Hydrogen bromide products: Section11. TOXICOLOGICAL INFORMATION Acute Toxicity:No data available Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: IARC =No data available No data available NTP = Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available Crustacea:No data available Algae:No data available Persistence / degradability: No data available BioaccumulativeNo data available potential(BCF): Mobility in soil Log Pow:No data available Soil adsorption (Koc):No data available Henry's LawNo data available constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. 4-(3,5-Dibromo-2-pyridylazo)-1,3- phenylenediamine [for Colorimetric Analysis of Co, Cd] Section14. TRANSPORT INFORMATION Hazards Class:Does not correspond to the classification standard of the United Nations UN-No:Not listed Section15. REGULATORY INFORMATION Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002 and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 海关编码: 2933399090

海关

海关编码	2933399090
中文概述	2933399090. 其他结构含非稠合吡啶环的化合物. 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:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%