2-(PYRIDIN-4-YL)MALONALDEHYDE

Modify Date: 2026-07-09 19:16:47

2-(PYRIDIN-4-YL)MALONALDEHYDE Structure
2-(PYRIDIN-4-YL)MALONALDEHYDE structure
Common Name 2-(PYRIDIN-4-YL)MALONALDEHYDE
CAS Number 51076-46-1 Molecular Weight 149.14700
Density 1.171g/cm3 Boiling Point 269.3ºC at 760mmHg
Molecular Formula C8H7NO2 Melting Point 320ºC
MSDS N/A Flash Point 120.7ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-(4-Pyridyl)malondialdehyde
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.171g/cm3
Boiling Point 269.3ºC at 760mmHg
Melting Point 320ºC
Molecular Formula C8H7NO2
Molecular Weight 149.14700
Flash Point 120.7ºC
Exact Mass 149.04800
PSA 47.03000
LogP 0.56300
Index of Refraction 1.522
InChIKey RYYVVCNGQOENKM-UHFFFAOYSA-N
SMILES O=CC(C=O)c1ccncc1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: 2-(4-Pyridyl)malondialdehyde Material Safety Data Sheet
Synonym: None
CAS: 51076-46-1
Section 1 - Chemical Product MSDS Name:2-(4-Pyridyl)malondialdehyde Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
51076-46-1 2-(2-pyridyl)malondialdehyde 100 % unlisted
Hazard Symbols: C
Risk Phrases: 34

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Causes burns.Corrosive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
Eyes: Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed. Extensive irrigation with water is required (at least 30 minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
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. 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.

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.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed.
Do not ingest or inhale. Use with adequate ventilation. Discard contaminated shoes.
Storage:
Store in a cool, dry place. Keep container closed when not in use.
Corrosives area.

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# 51076-46-1: 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 minimize contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: white to off-white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: > 320 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: slightly soluble in water
Specific Gravity/Density:
Molecular Formula: C8H7NO2
Molecular Weight: 149.0545

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:
Strong bases, strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 51076-46-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2-(2-pyridyl)malondialdehyde - 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
Shipping Name: CORROSIVE SOLID, N.O.S.*
Hazard Class: 8
UN Number: 1759
Packing Group: III
IMO
Shipping Name: CORROSIVE SOLID, N.O.S.
Hazard Class: 8
UN Number: 1759
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE SOLID, N.O.S.
Hazard Class: 8
UN Number: 1759
Packing group: III

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 25 Avoid contact with eyes.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
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# 51076-46-1: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 51076-46-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 51076-46-1 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes C,Xi
Risk Phrases R34
Safety Phrases S26-S45-S36-S37-S39
HS Code 2933399090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00216535
2-pyridin-4-ylpropanedial
2-(Pyridin-4-yl)malonaldehyde

 2-(PYRIDIN-4-YL)MALONALDEHYDE | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of 2-(4-Pyridyl)malondialdehyde?
A: Polar surface area (PSA) of 2-(4-Pyridyl)malondialdehyde is 47.03000.
Q: What is the LogP of 2-(4-Pyridyl)malondialdehyde?
A: LogP of 2-(4-Pyridyl)malondialdehyde is 0.56300.
Q: What is the melting point of 2-(4-Pyridyl)malondialdehyde?
A: Melting point of 2-(4-Pyridyl)malondialdehyde is 320ºC.
Q: What is the InChIKey of 2-(4-Pyridyl)malondialdehyde?
A: InChIKey of 2-(4-Pyridyl)malondialdehyde is RYYVVCNGQOENKM-UHFFFAOYSA-N.
Q: What English synonyms does 2-(4-Pyridyl)malondialdehyde have?
A: English synonyms of 2-(4-Pyridyl)malondialdehyde: MFCD00216535, 2-pyridin-4-ylpropanedial, 2-(Pyridin-4-yl)malonaldehyde.
Q: What is the molecular formula of 2-(4-Pyridyl)malondialdehyde?
A: Molecular formula of 2-(4-Pyridyl)malondialdehyde is C8H7NO2.
Q: What is the CAS number of 2-(4-Pyridyl)malondialdehyde?
A: CAS number of 2-(4-Pyridyl)malondialdehyde is 51076-46-1.
Q: What is the English name of 2-(4-Pyridyl)malondialdehyde?
A: The English name of 2-(4-Pyridyl)malondialdehyde is 2-(4-Pyridyl)malondialdehyde.
Q: What is the molecular weight of 2-(4-Pyridyl)malondialdehyde?
A: Molecular weight of 2-(4-Pyridyl)malondialdehyde is 149.14700.
Q: What is the safety information for 2-(4-Pyridyl)malondialdehyde?
A: Safety information for 2-(4-Pyridyl)malondialdehyde: S26-S45-S36-S37-S39.

 2-(PYRIDIN-4-YL)MALONALDEHYDEfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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