3,3-Dimethylacrylic acid
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3,3-Dimethylacrylic acid 속성
- 녹는점
- 65-70 °C (lit.)
- 끓는 점
- 194-195 °C (lit.)
- 밀도
- 0,969 g/cm3
- 굴절률
- 1.4226 (estimate)
- 인화점
- 93°C
- 저장 조건
- Keep in dark place,Sealed in dry,Room Temperature
- 용해도
- 클로로포름(약간 용해됨), 메탄올(약간 용해됨)
- 물리적 상태
- 고체
- 물리적 상태
- 단단한 모양
- 산도 계수 (pKa)
- pK1:5.12 (25°C)
- 색상
- 미색에서 옅은 오렌지색까지
- 냄새
- 프로필렌 글리콜 중 1.00%. 녹색 페놀 유제품
- ?? ??
- 페놀성
- 수용성
- 물과 메탄올에 용해됩니다.
- JECFA Number
- 1204
- BRN
- 1720305
- InChIKey
- YYPNJNDODFVZLE-UHFFFAOYSA-N
- LogP
- 1.35
- CAS 데이터베이스
- 541-47-9(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi,C | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 37/38-41-34 | ||
| 안전지침서 | 26-36/37/39-45-27 | ||
| WGK 독일 | 1 | ||
| RTECS 번호 | GQ5425000 | ||
| F 고인화성물질 | 21 | ||
| TSCA | Yes | ||
| HS 번호 | 29161900 | ||
| 기존화학 물질 | KE-23593 |
3,3-Dimethylacrylic acid C화학적 특성, 용도, 생산
개요
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.화학적 성질
White to brown crystal출처
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.용도
Chemical Intermediates.정의
ChEBI: A methyl-branched fatty acid that is but-2-enoic acid bearing a methyl substituent at position 3.제조 방법
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.Purification Methods
Crystallise the acid from hot water or pet ether (b 60-80o). [Beilstein 2 IV 1555.]3,3-Dimethylacrylic acid 준비 용품 및 원자재
원자재
중아황산나트륨
차아염소산 칼륨
Cyclopropanecarboxylic acid, 3-(2-chloroethenyl)-2,2-dimethyl-
2-(4-fluoro-3-phenoxyphenyl)-2-hydroxyethanenitrile
4-fluoro-3-phenoxy benzoic acid
4-Fluoro-3-phenoxybenzaldehyde
준비 용품
3,3-Dimethylacrylic acid 공급 업체
글로벌( 441)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29797 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 |
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| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21689 | 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 |
sales@coreychem.com | China | 29914 | 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 | 2966 | 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 |