3,6-Pyridazinedione,1,2-dihydro-1-methyl-

Modify Date: 2024-01-10 18:40:14

3,6-Pyridazinedione,1,2-dihydro-1-methyl- Structure
3,6-Pyridazinedione,1,2-dihydro-1-methyl- structure
Common Name 3,6-Pyridazinedione,1,2-dihydro-1-methyl-
CAS Number 5436-01-1 Molecular Weight 126.11300
Density 1.263g/cm3 Boiling Point 260.1ºC at 760mmHg
Molecular Formula C5H6N2O2 Melting Point 210-212 °C
MSDS N/A Flash Point 111.1ºC

 Names

Name 3-hydroxy-1-methylpyridazin-6(1h)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.263g/cm3
Boiling Point 260.1ºC at 760mmHg
Melting Point 210-212 °C
Molecular Formula C5H6N2O2
Molecular Weight 126.11300
Flash Point 111.1ºC
Exact Mass 126.04300
PSA 55.12000
Index of Refraction 1.511

 MSDS

Name: 1-Methyl-3 6-(1H 2H)-pyridazinedione Material Safety Data Sheet
Synonym:
CAS: 5436-01-1
Section 1 - Chemical Product MSDS Name:1-Methyl-3 6-(1H 2H)-pyridazinedione Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
5436-01-1 1-Methyl-3,6-(1H,2H)-pyridazinedione unlisted
Hazard Symbols: XN
Risk Phrases: 20/21/22 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed.
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
Harmful if inhaled. Causes respiratory tract irritation.
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:

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. Use only in a chemical fume hood.
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# 5436-01-1: 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: Crystalline powder
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 210 - 212 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: C5H6N2O2
Molecular Weight: 126.12

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 5436-01-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1-Methyl-3,6-(1H,2H)-pyridazinedione - Not listed by ACGIH, IARC, or NTP.

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: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
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# 5436-01-1: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 5436-01-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 5436-01-1 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes Xn
Risk Phrases 44-36/37/38-20/21/22
Safety Phrases S36/37/39-S26
HS Code 2933990090

 Synthetic Route

~86%

3,6-Pyridazinedione,1,2-dihydro-1-methyl- Structure

3,6-Pyridazined...

CAS#:5436-01-1

Literature: Magano, Javier; Acciacca, Allison; Beylin, Vladimir; Spence, Julie; Dunn, Peter; Hughes, Mike Synthetic Communications, 2007 , vol. 37, # 20 p. 3569 - 3578

~%

3,6-Pyridazinedione,1,2-dihydro-1-methyl- Structure

3,6-Pyridazined...

CAS#:5436-01-1

Literature: Helvetica Chimica Acta, , vol. 37, p. 837,848

~%

3,6-Pyridazinedione,1,2-dihydro-1-methyl- Structure

3,6-Pyridazined...

CAS#:5436-01-1

Literature: Helvetica Chimica Acta, , vol. 37, p. 837,848

 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

6-hydroxy-2-methylpyridazin-3-one
MFCD00176268
6-hydroxy-2-methylpyridazin-3(2H)-one
1-METHYL-3,6-(1H,2H)PYRIDAZINEDIONE
6-hydroxy-2-methyl-3(2H)-pyridazinone
2-methyl-6-hydroxy-3(2H)-pyridazinone
2-Methyl-6-hydroxypyridazine-3(2H)-one
3-hydroxy-1-methyl-1,6-dihydropyridazin-6-one
BUTTPARK 417-19
AURORA KA-267
2,3-dihydro-2-methyl-3-oxo-6-hydroxypyridazine
N-Methylmaleic hydrazide
N-METHYL PYRIDAZINEDIONE
3(2H)-pyridazinone,6-hydroxy-2-methyl
1,6-dihydro-3-hydroxy-1-methyl-6-oxo-pyridazine
3-hydroxy-1-methyl-6-pyridazinone