SAMARIUM(II) IODIDE
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SAMARIUM(II) IODIDE 속성
- 녹는점
- 526 ±3°
- 끓는 점
- solid: 1580℃ [CRC10]
- 밀도
- 0.922 g/mL at 25 °C
- 인화점
- −2 °F
- 저장 조건
- 2-8°C
- 용해도
- reacts with H2O
- 물리적 상태
- 가루
- 색상
- 짙은 청록색
- 감도
- Air & Moisture Sensitive
- Merck
- 14,8349
- 노출 한도
- ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)
- InChIKey
- UAWABSHMGXMCRK-UHFFFAOYSA-L
- CAS 데이터베이스
- 32248-43-4(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
위험품 표기 | F,Xi,Xn | ||
---|---|---|---|
위험 카페고리 넘버 | 11-19-36/37-40 | ||
안전지침서 | 16-29-33-36/37-26 | ||
유엔번호(UN No.) | UN 2056 3/PG 2 | ||
WGK 독일 | 3 | ||
F 고인화성물질 | 1-10 | ||
위험 등급 | 3 | ||
포장분류 | II | ||
HS 번호 | 28276000 |
SAMARIUM(II) IODIDE C화학적 특성, 용도, 생산
개요
Samarium(II) iodide, SmI2, when employed as a solution for organic synthesis, is known as “Kagan’s reagent.” SmI2 is a green solid and its solutions are green as well. It is a strong one-electron reducing agent that is used in organic synthesis. Solid, solvent-free SmI2 forms by high-temperature decomposition of samarium(III) iodide (SmI3).화학적 성질
Deep bleu-green solution용도
Samarium(II) iodide solution (SmI2) can be used as a reagent in the synthesis of:- Benzannulated pyrrolizidines and indolizidines by SmI2-induced cyclizations of indole derivatives.
- Chiral 4-substituted 2-oxazolidinones and 5,5-disubstituted oxazolidinones through asymmetric Reformatsky type reaction.
- γ-Aminoalkyl substituted γ-butyrolactones via ketyl-alkene coupling reaction.
It can also be used in:
- Reduction of conjugated double and triple bonds into alkenes using SmI2/H2O/amine mixtures.
- Conversion of β-hydroxyketones into 1,3-diols by SmI2/H2O/Et3N.
- Selective reduction of 6-membered lactones to the corresponding diols/triols using SmI2-H2O reagent system.
SmI2 is an effective single-electron reducing agent for the promotion of ketone-olefin, ketyl aryl cyclizations, and pinacol coupling reactions under mild conditions. Often both intramolecular and intermolecular couplings proceed in a highly stereoselective fashion. It is also used in the synthesis of new heteroleptic samarium aryloxide/cyclopentadienide complexes.
Purification Methods
A possible impurity is SmI3 from which it is made. If present, grind the solid to a powder and heat it in a stream of pure H2. The temperature (~ 500-600o) should be below the m (~ 628o) of SmI3, since the molten compounds react very slowly. [Wetzel in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II pp 1149, 1150 1965.]SAMARIUM(II) IODIDE 준비 용품 및 원자재
원자재
준비 용품
SAMARIUM(II) IODIDE 공급 업체
글로벌( 165)공급 업체
공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
---|---|---|---|---|---|
career henan chemical co | +86-0371-86658258 +8613203830695 |
sales@coreychem.com | China | 29888 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22968 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39916 | 58 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 |
sales@conier.com | China | 49392 | 58 |
Hubei Ipure Biology Co., Ltd | +8613367258412 |
ada@ipurechemical.com | China | 10326 | 58 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34571 | 58 |
HONG KONG IPURE BIOLOGY CO.,LIMITED | 86 18062405514 18062405514 |
ada@ipurechemical.com | CHINA | 3465 | 58 |
Hunan russell chemicals technology co ltd | 731-88557738 +8613739093081 |
sales01@russellchem.com | CHINA | 291 | 58 |
Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 |
1026@dideu.com | China | 8132 | 58 |
SAMARIUM(II) IODIDE 관련 검색:
사마륨 트리염화물 나프테닉산 희토류염 사마륨 테트라하이드로푸란
DL-Dithiothreitol
Sodium iodide
BISMUTH POTASSIUM IODIDE
Potassium iodide
Lead(II) iodide
NESSLER'S REAGENT
SAMARIUM TRIFLUOROACETYLACETONATE
Samarium trifluoride
SAMARIUM(III) ISOPROPOXIDE
SAMARIUM NITRATE HEXAHYDRATE
TRIS(CYCLOPENTADIENYL)SAMARIUM
SAMARIUM SULFATE
SAMARIUM OXALATE
TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)SAMARIUM(III)