ethyl 3-methyl-4-oxo-2-butenoate

Modify Date: 2024-01-10 09:51:04

ethyl 3-methyl-4-oxo-2-butenoate Structure
ethyl 3-methyl-4-oxo-2-butenoate structure
Common Name ethyl 3-methyl-4-oxo-2-butenoate
CAS Number 41891-38-7 Molecular Weight 142.15200
Density N/A Boiling Point N/A
Molecular Formula C7H10O3 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name (E)-ethyl 3-methyl-4-oxobut-2-enoate

 Chemical & Physical Properties

Molecular Formula C7H10O3
Molecular Weight 142.15200
Exact Mass 142.06300
PSA 43.37000
LogP 0.69470

 MSDS

Name: Ethyl 3-formylcrotonate Material Safety Data Sheet
Synonym:
CAS: 41891-38-7
Section 1 - Chemical Product MSDS Name:Ethyl 3-formylcrotonate Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
41891-38-7 Ethyl 3-formylcrotonate 255-575-2
Hazard Symbols: F C
Risk Phrases: 11 34

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Highly flammable. Causes burns.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. 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.
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. Will burn if involved in a fire. Flammable liquid and vapor.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Remove all sources of ignition.
Use a spark-proof tool.

Section 7 - HANDLING and STORAGE
Handling:
Use spark-proof tools and explosion proof equipment. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Flammables-area. 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 general or local explosion-proof ventilation to keep airborne levels to acceptable levels.
Exposure Limits CAS# 41891-38-7: 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: Clear liquid
Color: yellow
Odor: none reported
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 188 - 190 deg C
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: > 2 deg C (> 35.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 1.045
Molecular Formula: C7H10O3
Molecular Weight: 142.15

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

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 41891-38-7 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 3-formylcrotonate - 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: FLAMMABLE LIQUID, CORROSIVE, N.O.S.*
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing group: II

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 34 Causes burns.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
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# 41891-38-7: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 41891-38-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 41891-38-7 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

HS Code 2918300090

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%