ChemicalBook > CAS DataBase List > 3,3-Dimethylacrylic acid

3,3-Dimethylacrylic acid

Product Name
3,3-Dimethylacrylic acid
CAS No.
541-47-9
Chemical Name
3,3-Dimethylacrylic acid
Synonyms
3-METHYLBUT-2-ENOIC ACID;3-METHYL-2-BUTENOIC ACID;SENECIOIC ACID;SENECIC ACID;3-METHYLCROTONIC ACID;3-Methylbutenoic acid;FEMA 3187;AURORA 22781;Seneciosαure;(CH3)2C=CHCOOH
CBNumber
CB6273219
Molecular Formula
C5H8O2
Formula Weight
100.12
MOL File
541-47-9.mol
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3,3-Dimethylacrylic acid Property

Melting point:
65-70 °C (lit.)
Boiling point:
194-195 °C (lit.)
Density 
0,969 g/cm3
refractive index 
1.4226 (estimate)
FEMA 
3187 | 3-METHYLCROTONIC ACID
Flash point:
93°C
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Solid
pka
pK1:5.12 (25°C)
color 
Off-White to Pale Orange
Odor
at 1.00 % in propylene glycol. green phenolic dairy
Odor Type
phenolic
Water Solubility 
Soluble in water, and methanol.
JECFA Number
1204
BRN 
1720305
InChIKey
YYPNJNDODFVZLE-UHFFFAOYSA-N
LogP
1.35
CAS DataBase Reference
541-47-9(CAS DataBase Reference)
NIST Chemistry Reference
2-Butenoic acid, 3-methyl-(541-47-9)
EPA Substance Registry System
2-Butenoic acid, 3-methyl- (541-47-9)
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Safety

Hazard Codes 
Xi,C
Risk Statements 
37/38-41-34
Safety Statements 
26-36/37/39-45-27
RIDADR 
UN3261
WGK Germany 
1
RTECS 
GQ5425000
F 
21
TSCA 
Yes
HazardClass 
8
HS Code 
29161900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D138606
Product name
3,3-Dimethylacrylic acid
Purity
97%
Packaging
100g
Price
$94
Updated
2025/07/31
Sigma-Aldrich
Product number
D138606
Product name
3,3-Dimethylacrylic acid
Purity
97%
Packaging
500g
Price
$157.7
Updated
2025/07/31
TCI Chemical
Product number
M0543
Product name
3-Methylcrotonic Acid
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$18
Updated
2025/07/31
TCI Chemical
Product number
M0543
Product name
3-Methylcrotonic Acid
Purity
>98.0%(GC)(T)
Packaging
100g
Price
$49
Updated
2025/07/31
TCI Chemical
Product number
M0543
Product name
3-Methylcrotonic Acid
Purity
>98.0%(GC)(T)
Packaging
500g
Price
$153
Updated
2025/07/31
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3,3-Dimethylacrylic acid Chemical Properties,Usage,Production

Description

May be prepared by the action of alkalis or bases on the ester of α-bromoisovaleric acid; by condensation of acetone with malonic acid or bromoacetic ester; by oxidation of mesityl oxide with sodium hypochlorite.

Chemical Properties

3-Methylcrotonic acid has green, phenolic, dairy aroma

Chemical Properties

White to brown crystal

Occurrence

Reported found in the rhizomes of Senecio kaempferi Seib.; the corresponding ester occurs naturally in waste wort. Also reported found in raspberries, wheat bread, cocoa, coffee, black tea, Arctic bramble, and green and roasted maté.

Uses

Chemical Intermediates.

Definition

ChEBI: A methyl-branched fatty acid that is but-2-enoic acid bearing a methyl substituent at position 3.

Preparation

By the action of alkalis or bases on the ester of α-bromoisovaleric acid; by condensation of acetone with malonic acid or bromoacetic ester; by oxidation of mesityl oxide with sodium hypochlorite.

Synthesis Reference(s)

Journal of the American Chemical Society, 71, p. 3214, 1949 DOI: 10.1021/ja01177a079
Organic Syntheses, Coll. Vol. 3, p. 302, 1955
Tetrahedron Letters, 36, p. 2469, 1995 DOI: 10.1016/0040-4039(95)00285-K

Purification Methods

Crystallise the acid from hot water or pet ether (b 60-80o). [Beilstein 2 IV 1555.]

3,3-Dimethylacrylic acid Preparation Products And Raw materials

Raw materials

Sodium bisulfite POTASSIUM HYPOCHLORITE

Preparation Products

Methyl 3-methyl-2-butenoate
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View Lastest Price from 3,3-Dimethylacrylic acid manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
3,3-Dimethylacrylic acid 541-47-9
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 mt
Release date
2024-11-14
Jinan Finer Chemical Co., Ltd
Product
3,3-Dimethylacrylic acid 541-47-9
Price
US $0.00/Kg/Bag
Min. Order
1KG
Purity
995
Supply Ability
5000mt/year
Release date
2020-09-08
Hebei Zhuanglai Chemical Trading Co Ltd
Product
3,3-Dimethylacrylic acid 541-47-9
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 ton
Release date
2024-11-20

541-47-9, 3,3-Dimethylacrylic acid Related Search:

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  • (CH3)2C=CHCOOH
  • 2-Butenoicacid,3-methyl-
  • 3,3-Dimethylacrylsαure
  • 3-methyl-2-butenoicaci
  • 3-Methyl-2-butensαure
  • 3-methyl-buten-2-oic-acid
  • 3-methyl-crotonicaci
  • 3-Methylcrotonsαure
  • beta,beta-Dimethacrylic acid
  • beta,beta-dimethacrylicacid
  • beta-Methylcrotonic acid
  • β-Methylcrotonicacid
  • SENECIOIC ACID
  • RARECHEM AL BE 0210
  • BETA,BETA-DIMETHYLACRYLIC ACID
  • B-METHYLCROTONIC ACID
  • AURORA 22781
  • FEMA 3187
  • 3-METHYL-2-BUTENOIC ACID
  • 3-METHYLBUT-2-ENOIC ACID
  • 3-METHYLCROTONIC ACID
  • 3,3-DIMETHTYLACRYLIC ACID
  • 3,3-DIMETHYLACRYLIC ACID
  • 3-Methyl-2-butenoic acid~3-Methylcrotonic acid
  • 3-Methylcrotonic acid,(3,3-Dimethylactrylic acid
  • Methylcrotonicacid,98%
  • 3,3-Dimethylacrylic
  • 3,3-Dimethylacrylic acid, 3-Methyl-2-butenoic acid, 3-Methylcrotonic acid, Senecioic acid
  • 3,3-Dimethylacrylic acid, 3-Methylcrotonic acid, Senecioic acid
  • 3,3-Dimethylacrylic acid,97%
  • 3-METHYLCROTONIC ACID 97+%
  • B-B-DIMETHYLACRYLIC ACID CRYSTALLINE
  • SENECIOIC ACID 97%
  • 3,3-DimethylacrylicAcid,>90%
  • B,B-DIMETHYLACRYLIC ACID
  • Senecioic Acid (3,3-Dimethyl Acrylic Acid)
  • 3,3-Dimethylacrylic Acid 3-Methyl-2-butenoic Acid Senecioic Acid
  • 3,3-DiMethylacrylic acid, 3-Methylcrotonic acid
  • DiMethylacrylic Aci
  • 3-Methylbut-2-enoic acid, 3,3-Dimethylacrylic acid, Senecioic acid
  • beta-methylcrotonicacid
  • Crotonic acid, 3-methyl-
  • Crotonicacid,3-methyl-
  • dimethylacrylicacid
  • Kyselina 3-methyl-2-butenova
  • kyselina3-methyl-2-butenova
  • SENECIC ACID
  • Seneciosαure
  • β,β-Dimethylacrylicacid
  • 3,3- twoMethacrylic acid
  • 3,3-DiMethylacrylic acid 97%
  • 3-Methylcrotonicacid98%
  • 3-Methylbutenoic acid
  • 3-MethylcrotonicAcid&gt
  • 3-methylbut-2-enoicaci
  • 3, 3-dimethacrylic acid
  • 3,3-Dimethylacrylic Acid|||Senecioic acid|||3-Methylcrotonic Acid
  • 3-Methylbut-2-enoic acid, 10 mM in DMSO