3-Methyl-3-buten-2-one
- Product Name
- 3-Methyl-3-buten-2-one
- CAS No.
- 814-78-8
- Chemical Name
- 3-Methyl-3-buten-2-one
- Synonyms
- Stabilizedwithhq;methylbutenone[qr];CH2=C(CH3)C(=O)CH3;3-Methyl-3-buten-2-on;Methylisopropenylketon;3-Methylene-2-butanone;3-methylbut-3-en-2-one;3-METHYL-3-BUTEN-2-ONE;2-Methyl-1-buten-3-one;3-methyl-but-3-en-2-one
- CBNumber
- CB2399238
- Molecular Formula
- C5H8O
- Formula Weight
- 84.12
- MOL File
- 814-78-8.mol
3-Methyl-3-buten-2-one Property
- Melting point:
- -54°C
- Boiling point:
- 98°C
- Density
- 0,86 g/cm3
- refractive index
- 1.4210 to 1.4250
- Flash point:
- 9°C
- storage temp.
- Freezer
- Water Solubility
- Slightly soluble in water
- solubility
- Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
- form
- clear liquid
- color
- Colorless to Light yellow
- Odor
- Very pungent; pleasant; sweet.
- LogP
- 0.561 (est)
- CAS DataBase Reference
- 814-78-8
- NIST Chemistry Reference
- 3-Buten-2-one, 3-methyl-(814-78-8)
- EPA Substance Registry System
- 3-Buten-2-one, 3-methyl- (814-78-8)
Safety
- Hazard Codes
- F,T+
- Risk Statements
- 11-23/24/25-36/37/38-27-25
- Safety Statements
- 16-29-33-36/37/39-45-28-26
- RIDADR
- 1246
- RTECS
- EN0175000
- HazardClass
- 3.1
- PackingGroup
- II
- HS Code
- 29141900
- Hazardous Substances Data
- 814-78-8(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P312Call a POISON CENTER or doctor/physician if you feel unwell.
P330Rinse mouth.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
N-Bromosuccinimide Price
- Product number
- CDS000556
- Product name
- 3-Methyl-3-buten-2-one
- Purity
- AldrichCPR
- Packaging
- 1G
- Price
- $81.6
- Updated
- 2023/06/20
- Product number
- M0378
- Product name
- 3-Methyl-3-buten-2-one (stabilized with HQ)
- Purity
- >95.0%(GC)
- Packaging
- 25mL
- Price
- $215
- Updated
- 2024/03/01
- Product number
- M332855
- Product name
- 3-Methyl-3-buten-2-one(StabilizedinHQ)(~90%)
- Packaging
- 1ml
- Price
- $65
- Updated
- 2021/12/16
- Product number
- 155400
- Product name
- 3-Methyl-3-buten-2-one (stabilized with HQ)
- Packaging
- 5g
- Price
- $70
- Updated
- 2021/12/16
- Product number
- 39216
- Product name
- 3-Methyl-3-buten-2-one(StabilizedwithHQ),≥95%(GC)Hazmat
- Purity
- ≥95%(GC)
- Packaging
- 500G
- Price
- $188.7
- Updated
- 2021/12/16
3-Methyl-3-buten-2-one Chemical Properties,Usage,Production
Chemical Properties
Colorless or light yellow transparent liquid
Uses
Plastics.
Definition
ChEBI: 3-Methyl-3-buten-2-one is an olefinic compound. It is functionally related to an acrylic acid.
Production Methods
3-Methyl-3-buten-2-one is produced by acid-catalyzed condensation of 2-butanone with formaldehyde in the liquid phase.
A further possibility is the methylolization of 2-
butanone under alkaline conditions followed by
elimination of water:
General Description
A clear colorless liquid. Flash point of 52°F. Denser than water and insoluble in water. Hence sinks in water. Vapors heavier than air.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
3-Methyl-3-buten-2-one tends to polymerize; this reaction is mostly suppressed by the inhibitor. Can polymerize if heated or contaminated. If confined in a container when polymerization is initiated, the container may violently rupture [USCG, 1999].
Hazard
Flammable, dangerous fire risk, explosivelimits in air 1.8–9.0%.
Health Hazard
Inhalation causes irritation of nose and throat. Liquid may cause severe damage to eyes, resulting possibly in some permanent impairment of vision; vapor produces tears. If not removed promptly from skin, liquid may cause delayed pain and blistering. Ingestion causes irritation of mouth and stomach.
Fire Hazard
Behavior in Fire: May polymerize and explode.
Chemical Reactivity
Reactivity with Water: No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Will polymerize in the absence of inhibitor, especially when heated; Inhibitor of Polymerization: Up to 1% hydroquinone.
Safety Profile
Poison by ingestion and skin contact. Moderately toxic by inhalation and intraperitoneal routes. A skin and severe eye irritant. A dangerous fire hazard when exposed to heat or flame. Explosive in the form of vapor when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes.
3-Methyl-3-buten-2-one Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3-Methyl-3-buten-2-one manufacturers
- Product
- 3-Methyl-3-buten-2-one 814-78-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 20 mt
- Release date
- 2023-02-25
- Product
- 3-Methyl-3-buten-2-one 814-78-8
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-06-27
- Product
- 3-Methyl-3-buten-2-one 814-78-8
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- Customized
- Release date
- 2018-08-09