2',4'-Dihydroxypropiophenone
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2',4'-Dihydroxypropiophenone 속성
- 녹는점
- 95-98 °C(lit.)
- 끓는 점
- 178 °C / 7mmHg
- 밀도
- 1.1708 (rough estimate)
- 굴절률
- 1.5260 (estimate)
- 산도 계수 (pKa)
- 8.03±0.40(Predicted)
- 물리적 상태
- powder to crystal
- 색상
- Light yellow to Yellow to Orange
- BRN
- 1238635
- InChIKey
- LLBBBYLDTDJMNU-UHFFFAOYSA-N
- CAS 데이터베이스
- 5792-36-9(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 36/37/38 | ||
| 안전지침서 | 26-37/39-24/25 | ||
| WGK 독일 | 3 | ||
| HS 번호 | 29145090 |
2',4'-Dihydroxypropiophenone C화학적 특성, 용도, 생산
화학적 성질
light yellow crystals or crystalline powder제조 방법
Preparation by reaction of propionic acid with resorcinol,in the presence of zinc chloride (Nencki reaction), at reflux (160–165°) ? for 15 min, at 150° for 20 min
in the presence of boron trifluoride for 2 h at 70° (79%), at 80° (67%) ? or at 105–108° for 15 min (71%)
in the presence of polyphosphoric acid for 10–20 min in a boiling water bath ? (65%)
in the presence of 70% perchloric acid at reflux for 30 min (70%)
in the presence of Amberlite IR-120 (cation exchange resin sulfonic acid type) ? at 160° for 2–3 h (76%)
Preparation by reaction of propionitrile with resorcinol (Hoesch reaction) (75%) (65%) (46%)(35%)
Preparation by reaction of propionic anhydride with resorcinol
in the presence of Amberlite IR-120 (cation exchange resin sulfonic acid ? type) at 160° for 2–3 h (82%)
in the presence of concentrated sulfuric acid (small drops) at 130° for some ? min (60%)
Also obtained by Fries rearrangement of resorcinol dipropionate
with aluminium chloride at 180–185° for 90 min (25%)
with boron trifluoride, in the presence of resorcinol, at 75° for 1 h (83%)
Also obtained by reaction of ethylmagnesium bromide with 2,4-dihydroxy-N, N-diethylbenzamide in refluxing benzene (12%).
2',4'-Dihydroxypropiophenone 준비 용품 및 원자재
원자재
준비 용품
2',4'-Dihydroxypropiophenone 공급 업체
글로벌( 123)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Xiamen Work-For-World Medicine Co.,Ltd. | +undefined15921822462 |
keqingyong@wfwmed.com | China | 201 | 58 |
| Xiamen Shindano Biotechnology Co.,ltd | 0592-6266840 15750707980 |
sales@chemsdano.com | CHINA | 93 | 58 |
| career henan chemical co | +86-0371-86658258 15093356674; |
factory@coreychem.com | China | 29826 | 58 |
| sgtlifesciences pvt ltd | +8617013299288 |
dj@sgtlifesciences.com | China | 12382 | 58 |
| GLR Innovations | +91 9891111994 |
info@glrgroup.in | India | 4542 | 58 |
| Aromsyn Co., Ltd. | +86-0571-85585865 +8613336024896 |
CB@aromsyn.com | China | 19185 | 58 |
| Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503259 +86-19930503259 |
cherry@crovellbio.com | China | 18455 | 58 |
| LEAPCHEM CO., LTD. | +86-852-30606658 |
market18@leapchem.com | China | 43348 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +undefined18621343501 |
product@acmec-e.com | China | 33349 | 58 |
| Aladdin Scientific | +1-833-552-7181 |
sales@aladdinsci.com | United States | 57511 | 58 |