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

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
Molecular Weight:
100.12
MDL Number:
MFCD00004366
MOL File:
541-47-9.mol
MSDS File:
SDS
Last updated:2024-03-27 13:45:20

3,3-Dimethylacrylic acid Properties

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)
Substances Added to Food (formerly EAFUS) 3-METHYLCROTONIC ACID
EWG's Food Scores 1
FDA UNII EKV8I38F9I
NIST Chemistry Reference 2-Butenoic acid, 3-methyl-(541-47-9)
EPA Substance Registry System 2-Butenoic acid, 3-methyl- (541-47-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H315-H318-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi,C
Risk Statements  37/38-41-34
Safety Statements  26-36/37/39-45-27
WGK Germany  1
RTECS  GQ5425000
21
TSCA  Yes
HS Code  29161900
NFPA 704
1
3 0

3,3-Dimethylacrylic acid price More Price(31)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D138606 3,3-Dimethylacrylic acid 97% 541-47-9 500g $64.4 2024-03-01 Buy
Sigma-Aldrich D138606 3,3-Dimethylacrylic acid 97% 541-47-9 100g $91.2 2024-03-01 Buy
TCI Chemical M0543 3-Methylcrotonic Acid >98.0%(GC)(T) 541-47-9 25g $18 2024-03-01 Buy
TCI Chemical M0543 3-Methylcrotonic Acid >98.0%(GC)(T) 541-47-9 100g $49 2024-03-01 Buy
Alfa Aesar A16865 3,3-Dimethylacrylic acid, 98% 541-47-9 25g $26.65 2024-03-01 Buy
Product number Packaging Price Buy
D138606 500g $64.4 Buy
D138606 100g $91.2 Buy
M0543 25g $18 Buy
M0543 100g $49 Buy
A16865 25g $26.65 Buy

3,3-Dimethylacrylic acid Chemical Properties,Uses,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.]

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View Lastest Price from 3,3-Dimethylacrylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,3-Dimethylacrylic acid pictures 2024-05-17 3,3-Dimethylacrylic acid
541-47-9
US $0.00 / Kg/Bag 1KG 995 5000mt/year Jinan Finer Chemical Co., Ltd
3,3-Dimethylacrylic Acid pictures 2024-03-27 3,3-Dimethylacrylic Acid
541-47-9
US $190.00 / Kg 1Kg 97 500 Kg R&D Scientific Inc.
3,3-Dimethylacrylic acid pictures 2023-09-18 3,3-Dimethylacrylic acid
541-47-9
US $0.00 / kg 1kg 0.99 20tons Hebei Yanxi Chemical Co., Ltd.
(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 RARECHEM AL BE 0210 BETA,BETA-DIMETHYLACRYLIC ACID B-METHYLCROTONIC ACID AURORA 22781 FEMA 3187 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 Seneciosαure β,β-Dimethylacrylicacid 3,3- twoMethacrylic acid 3,3-DiMethylacrylic acid 97% 3-Methylcrotonicacid98% 3-MethylcrotonicAcid> 3-methylbut-2-enoicaci SENECIOIC ACID 3-METHYL-2-BUTENOIC ACID 3-METHYLBUT-2-ENOIC ACID 3-METHYLCROTONIC ACID SENECIC ACID 3-Methylbutenoic acid 3, 3-dimethacrylic acid 541-47-9 41-47-9