4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine

Modify Date: 2024-01-09 06:21:29

4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine Structure
4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine structure
Common Name 4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine
CAS Number 50768-79-1 Molecular Weight 371.03100
Density 1.99g/cm3 Boiling Point 536.6ºC at 760 mmHg
Molecular Formula C11H9Br2N5 Melting Point N/A
MSDS N/A Flash Point 278.3ºC

 Names

Name 4-(3,5-dibromo-2-pyridylazo)-1,3-phenylenediamine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.99g/cm3
Boiling Point 536.6ºC at 760 mmHg
Molecular Formula C11H9Br2N5
Molecular Weight 371.03100
Flash Point 278.3ºC
Exact Mass 368.92200
PSA 89.65000
LogP 5.34880
Index of Refraction 1.758

 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

 Safety Information

HS Code 2933399090

 Customs

HS Code 2933399090
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%

 Synonyms

Dibromopyridylazophenylenediamine
4-(3,5-DibroMo-2-pyridylazo)-1,3-phenylenediaMine ,Cd]
forcolorimetricanalysisofCo,Cd