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
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) | ![]() ![]() 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 | |||||||||
F | 21 | |||||||||
TSCA | Yes | |||||||||
HS Code | 29161900 | |||||||||
NFPA 704 |
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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 |
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.]
3,3-Dimethylacrylic acid Preparation Products And Raw materials
Raw materials
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Preparation Products
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Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29798 | 60 |
Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 | info@dakenam.com | China | 16914 | 58 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21668 | 55 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +86-18949832763 | info@tnjchem.com | China | 2989 | 55 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29894 | 58 |
NINGBO INNO PHARMCHEM CO., LTD. | 13867897135 | sales@nbinno.com | CHINA | 925 | 58 |
Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2967 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 | alice@crovellbio.com | China | 8822 | 58 |
Xiamen AmoyChem Co., Ltd | +86-592-6051114 +8618959220845 | sales@amoychem.com | China | 6387 | 58 |
Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5909 | 58 |
View Lastest Price from 3,3-Dimethylacrylic acid manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
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2024-08-23 | 3,3-Dimethylacrylic acid
541-47-9
|
US $0.00 / Kg/Bag | 1KG | 995 | 5000mt/year | Jinan Finer Chemical Co., Ltd | |
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2024-08-15 | 3,3-Dimethylacrylic acid
541-47-9
|
US $0.00 / kg | 1kg | 0.99 | 20tons | Hebei Yanxi Chemical Co., Ltd. | |
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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
541-47-9
- US $0.00 / Kg/Bag
- 995
- Jinan Finer Chemical Co., Ltd
-
- 3,3-Dimethylacrylic acid
541-47-9
- US $0.00 / kg
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
-
- 3,3-Dimethylacrylic Acid
541-47-9
- US $190.00 / Kg
- 97
- R&D Scientific Inc.
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