4,5-Dibromo-2-phenyl-3(2H)-pyridazinone

Modify Date: 2024-01-08 19:40:23

4,5-Dibromo-2-phenyl-3(2H)-pyridazinone Structure
4,5-Dibromo-2-phenyl-3(2H)-pyridazinone structure
Common Name 4,5-Dibromo-2-phenyl-3(2H)-pyridazinone
CAS Number 14305-08-9 Molecular Weight 329.975
Density 1.9±0.1 g/cm3 Boiling Point 340.1±52.0 °C at 760 mmHg
Molecular Formula C10H6Br2N2O Melting Point 143ºC
MSDS N/A Flash Point 159.5±30.7 °C

 Names

Name 4,5-Dibromo-2-phenylpyridazin-3(2H)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.9±0.1 g/cm3
Boiling Point 340.1±52.0 °C at 760 mmHg
Melting Point 143ºC
Molecular Formula C10H6Br2N2O
Molecular Weight 329.975
Flash Point 159.5±30.7 °C
Exact Mass 327.884674
PSA 34.89000
LogP 2.10
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.688

 MSDS

Name: 4 5-Dibromo-2-phenyl-2 3-dihydropyridazin-3-one 97% Material Safety Data Sheet
Synonym: 4,5-Dibromo-2-phenylpyridazine-3-(2H)-on
CAS: 14305-08-9
Section 1 - Chemical Product MSDS Name:4 5-Dibromo-2-phenyl-2 3-dihydropyridazin-3-one 97% Material Safety Data Sheet
Synonym:4,5-Dibromo-2-phenylpyridazine-3-(2H)-on

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
14305-08-9 4,5-Dibromo-2-phenyl-2,3-dihydropyrida 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

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.
Ingestion:
Get medical aid. Wash mouth out with 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:
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 water spray, dry chemical, carbon dioxide, or chemical foam.

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:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

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# 14305-08-9: 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: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 143 - 144 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: C10H6Br2N2O
Molecular Weight: 330

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen bromide, acrid smoke and fumes, bromine.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 14305-08-9: UR6180000 LD50/LC50:
Not available.
Carcinogenicity:
4,5-Dibromo-2-phenyl-2,3-dihydropyridazin-3-one - 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
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 14305-08-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 14305-08-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 14305-08-9 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UR6180000
CHEMICAL NAME :
3(2H)-Pyridazinone, 4,5-dibromo-2-phenyl-
CAS REGISTRY NUMBER :
14305-08-9
BEILSTEIN REFERENCE NO. :
0177515
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H6-Br2-N2-O
MOLECULAR WEIGHT :
330.00

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,921,1985
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,921,1985

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
HS Code 2933990090

 Synthetic Route

~%

4,5-Dibromo-2-phenyl-3(2H)-pyridazinone Structure

4,5-Dibromo-2-p...

CAS#:14305-08-9

Literature: Tetrahedron Letters, , vol. 47, # 49 p. 8733 - 8735

~%

4,5-Dibromo-2-phenyl-3(2H)-pyridazinone Structure

4,5-Dibromo-2-p...

CAS#:14305-08-9

Literature: Chemische Berichte, , vol. 32, p. 535

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4,5-dibromo-2-phenylpyridazin-3-one
4,5-Dibromo-2-phenylpyridazin-3(2H)-one
3(2H)-Pyridazinone, 4,5-dibromo-2-phenyl-
4,5-Dibromo-2-phenyl-3(2H)-pyridazinone