- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: (-)-diop
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: (-)-diop
- Price: ￥468.0/250mg ￥1018.0/1g
- Purity: 97.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: (-)-2,3-O-ISOPROPYLIDENE-2,3-DIHYDROXY-1,4-BIS(DIPHENYLPHOSPHINO)BUTANE
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
32305-98-9
- Name: (-)-diop
- Chemical Name: [(4R,5R)-5-(diphenylphosphanylmethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl-diphenylphosphane
- CAS Number: 32305-98-9
- Molecular Formula: C31H32O2P2
- Molecular Weight: 498.53200
- Catalog: Chemical reagent Organic reagent Phosphine ligand
- Create Date: 2018-11-27 21:55:24
- Modify Date: 2025-08-25 10:36:07
| Name | [(4R,5R)-5-(diphenylphosphanylmethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl-diphenylphosphane |
|---|---|
| Synonyms |
EINECS 250-984-2
(2R,3R)-(-)-1,4-Bis(diphenylphosphino)-2,3-O-isopropylidene-2,3-butanediol (2R,3R)-(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane MLV 3077D (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine) MFCD00014107 (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane (−)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane |
| Boiling Point | 590.3ºC at 760mmHg |
|---|---|
| Melting Point | 88 - 90ºC |
| Molecular Formula | C31H32O2P2 |
| Molecular Weight | 498.53200 |
| Flash Point | 390.9ºC |
| Exact Mass | 498.18800 |
| PSA | 45.64000 |
| LogP | 5.77230 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 36/37/38 |
| Safety Phrases | 26-36/37 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2932999099 |
|
~65%
32305-98-9 |
| Literature: Brunner, H.; Zettlmeier, W. Bulletin des Societes Chimiques Belges, 1991 , vol. 100, # 3 p. 247 - 257 |
|
~61%
32305-98-9 |
| Literature: Arkema Inc. Patent: US2010/234642 A1, 2010 ; Location in patent: Page/Page column 13 ; |
|
~%
32305-98-9 |
| Literature: Tetrahedron Letters, , vol. 34, # 28 p. 4523 - 4526 |
|
~%
32305-98-9 |
| Literature: Tetrahedron Letters, , vol. 34, # 28 p. 4523 - 4526 |
|
~83%
32305-98-9 |
| Literature: Werz, Udo; Brune, Hans-Albert Journal of Organometallic Chemistry, 1989 , vol. 363, p. 377 - 386 |
|
~%
32305-98-9 |
| Literature: Journal of Organic Chemistry, , vol. 45, # 15 p. 2995 - 2999 |
|
~%
32305-98-9 |
| Literature: Bulletin des Societes Chimiques Belges, , vol. 100, # 3 p. 247 - 257 |
|
~%
32305-98-9 |
| Literature: Journal of Organic Chemistry, , vol. 45, # 15 p. 2995 - 2999 |
|
~%
32305-98-9 |
| Literature: Tetrahedron: Asymmetry, , vol. 2, # 3 p. 173 - 174 |
| Precursor 7 | |
|---|---|
| DownStream 0 | |
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |