TERT-BUTYL ETHYL MALONATE
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TERT-BUTYL ETHYL MALONATE 속성
- 끓는 점
- 83-85 °C/8 mmHg (lit.)
- 밀도
- 0.994 g/mL at 25 °C (lit.)
- 굴절률
- n
20/D 1.416(lit.)
- 인화점
- 189 °F
- 저장 조건
- Inert atmosphere,Room Temperature
- 산도 계수 (pKa)
- 11.86±0.46(Predicted)
- 물리적 상태
- 투명한 액체
- 색상
- 무색 내지 거의 무색
- 수용성
- 가장 일반적인 용매와 혼합 가능합니다. 물과 섞이지 않습니다.
- BRN
- 1776681
- InChIKey
- OCOBFMZGRJOSOU-UHFFFAOYSA-N
- CAS 데이터베이스
- 32864-38-3(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
안전지침서 | 23-24/25 | ||
---|---|---|---|
유엔번호(UN No.) | NA 1993 / PGIII | ||
WGK 독일 | 3 | ||
HS 번호 | 29171900 |
TERT-BUTYL ETHYL MALONATE C화학적 특성, 용도, 생산
화학적 성질
Clear colorless liquid용도
tert-Butyl ethyl malonate is used in the preparation of polar ester-functionalized aliphatic polysulfone. It is also a useful reagent for organic synthesis.Purification Methods
A likely impurity is monoethyl malonate; check IR for OH bands at 3330 br cm-1 . To ca 50g of ester add ice cold NaOH (50g in 200mL of H2O and 200g of ice). Swirl a few times (filter off ice if necessary), place it in a separating funnel and extract with 2 x 75mL of Et2O. Dry the extract (MgSO4) (since traces of acid decompose the t-Bu group of the ester, the distillation flask has to be washed with aqueous NaOH, rinsed with H2O and allowed to dry). Addition of some K2CO3 or MgO before distilling is recommended to inhibit decomposition. Distil it under reduced pressure through a 10cm Vigreux column (p 11). Decomposition is evidenced by severe foaming due to autocatalytic decomposition and cannot be prevented from accelerating except by stopping the distillation and rewashing the distillation flask with alkali again. [Breslow et al. J Am Chem Soc 66 1287 1944, Hauser et al. J Am Chem Soc 64 2714 1942, Strube Org Synth Coll Vol IV 417 1963, Stube Org Synth 37 35 1957, Beilstein 2 IV 1884.]TERT-BUTYL ETHYL MALONATE 준비 용품 및 원자재
원자재
트리페닐메틸나트륨
에탄디아조늄M,2-에톡시-2-옥소-
carbon monoxide
클로로포름산에틸
삼차부틸 아세트산
Ethyl hydrogen malonate
에틸말로닐염화물
tert-부틸알코올
말론산 디에틸
디에틸 카보네이트
이소부텐
준비 용품
TERT-BUTYL ETHYL MALONATE 공급 업체
글로벌( 243)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 |
sales@hbmojin.com | China | 12460 | 58 |
Hebei Duling International Trade Co. LTD | +8617333973358 |
sales01@hbduling.cn | China | 15437 | 58 |
Ouhuang Engineering Materials (Hubei) Co., Ltd | +86-86177 |
admin@hbouhuang.com | China | 2952 | 58 |
Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29798 | 60 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21673 | 55 |
ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 |
ivan@atkchemical.com | China | 32760 | 60 |
Zjartschem | +86-571-8723 8903 jocelynpan@zjarts.com |
jocelynpan@zjarts.com | CHINA | 993 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29897 | 58 |
Accela ChemBio Inc. | (+1)-858-699-3322 |
info@accelachem.com | United States | 19965 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +86-19930503282 |
alice@crovellbio.com | China | 8827 | 58 |
TERT-BUTYL ETHYL MALONATE 관련 검색:
말론산
BENZYL TERT-BUTYL MALONATE
Di-tert-Butyl malonate
Diisopropyl malonate
Diethyl malonate
Ethyl potassium malonate
3-tert-Butoxy-3-oxopropanoic acid
Dimethyl malonate
Potassium 3-methoxy-3-oxopropanoate
Ethyl hydrogen malonate
TERT-BUTYL METHYL MALONATE
MONOMETHYL MALONATE
TERT-BUTYL ETHYL MALONATE
FMOC-D-GLA(OTBU)2-OH
FMOC-TYR(MALONYL-DI-OTBU)-OH
ETHYLMALONIC ACID
Butylmalonic acid
Z-D-GLA(OTBU)2-OH