Cas no 32305-98-9 ((-)-DIOP)

(-)-DIOP structure
(-)-DIOP structure
Product Name:(-)-DIOP
CAS No:32305-98-9
MF:C31H32O2P2
MW:498.532110214233
MDL:MFCD00014107
CID:88961
PubChem ID:24854261
Update Time:2025-04-18

(-)-DIOP Chemical and Physical Properties

Names and Identifiers

    • (((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
    • (-)-DIOP
    • (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)
    • (4R,5R)-(-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane
    • (2R,3R)-(-)-1,4-Bis(diphenylphosphino)-2,3-O-isopropylidene-2,3-butanediol
    • (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane
    • (?)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(dipheny
    • (?)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane
    • (2R,3R)-(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane
    • MLV 3077D
    • (R,R)-DIOP
    • (4R,5R)-(-)-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane
    • (4R,5R)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane
    • (4R,5R)-DIOP
    • (4R,5R)-trans-4,5-Bis[(diphenylphosphino)methyl]-2,2-dimethyl-1,3-dioxolane
    • (R)-DIOP
    • [[(4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene)]bis[diphenylphosphine]
    • MDL: MFCD00014107
    • Inchi: 1S/C31H32O2P2/c1-31(2)32-29(23-34(25-15-7-3-8-16-25)26-17-9-4-10-18-26)30(33-31)24-35(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-22,29-30H,23-24H2,1-2H3/t29-,30-/m0/s1
    • InChI Key: VCHDBLPQYJAQSQ-KYJUHHDHSA-N
    • SMILES: P(C1C=CC=CC=1)(C1C=CC=CC=1)C[C@H]1[C@H](CP(C2C=CC=CC=2)C2C=CC=CC=2)OC(C)(C)O1
    • BRN: 1441045

Computed Properties

  • Exact Mass: 498.18800
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 35
  • Rotatable Bond Count: 8
  • Complexity: 528
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 2
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • XLogP3: 6.2
  • Topological Polar Surface Area: 18.5

Experimental Properties

  • Color/Form: White powder
  • Melting Point: 88-90?°C (lit.)
  • Solubility: Insuluble (2.1E-5 g/L) (25 oC),
  • PSA: 45.64000
  • LogP: 5.77230
  • Sensitiveness: Air Sensitive
  • Specific Rotation: -26° (c 2.0, CHCl3)
  • Optical Activity: [α]19/D ?26°, c =?2.3 in chloroform
  • Solubility: Not determined

(-)-DIOP Security Information

  • Symbol: GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H315-H319-H335
  • Warning Statement: P261-P305+P351+P338
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S26; S36/37
  • FLUKA BRAND F CODES:10-23
  • Hazardous Material Identification: Xi
  • Storage Condition:2-8°C
  • Risk Phrases:R36/37/38

(-)-DIOP Customs Data

  • HS CODE:2932999099
  • Customs Data:

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    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%

(-)-DIOP Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SU ZHOU XIN JIA YUAN HUA XUE Technology Co., Ltd.
600395-1g
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¥285.0 2024-07-19
SU ZHOU XIN JIA YUAN HUA XUE Technology Co., Ltd.
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32305-98-9 99%
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Alichem
A159001614-1g
(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
32305-98-9 95%
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$236.38 2023-09-02
Alichem
A159001614-5g
(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
32305-98-9 95%
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$729.24 2023-09-02
Chemenu
CM196480-1g
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32305-98-9 95%
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Chemenu
CM196480-5g
(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
32305-98-9 95%
5g
$662 2021-08-05
Chemenu
CM196480-1g
(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
32305-98-9 95%
1g
$*** 2023-03-29
Chemenu
CM196480-5g
(((4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene))bis(diphenylphosphine)
32305-98-9 95%
5g
$*** 2023-03-29
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.
O815299-250mg
(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)
32305-98-9 97%
250mg
¥246.00 2022-09-01
abcr
AB121583-250 mg
(4R,5R)-(-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane, 99.5% (R,R)-DIOP; .
32305-98-9 99.5%
250 mg
€76.20 2023-07-20

(-)-DIOP Production Method

(-)-DIOP Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:32305-98-9)(2R,3R)-(-)-1,4-雙(二苯基膦基)-2,3-O-異亞丙基-2,3-丁二醇
Order Number:LE1730111
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:35
Price ($):discuss personally
Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:32305-98-9)(-)-DIOP
Order Number:A821227
Stock Status:in Stock
Quantity:5g/25g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 05:13
Price ($):153.0/760.0

(-)-DIOP Related Literature

Recommended suppliers
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:32305-98-9)(2R,3R)-(-)-1,4-雙(二苯基膦基)-2,3-O-異亞丙基-2,3-丁二醇
LE1730111
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
Email
Amadis Chemical Company Limited
(CAS:32305-98-9)(-)-DIOP
A821227
Purity:99%/99%
Quantity:5g/25g
Price ($):153.0/760.0
Email