ChemicalBook > CAS DataBase List > (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE

(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE

Product Name
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
CAS No.
74839-84-2
Chemical Name
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE
Synonyms
(R,R)-CHIRAPHOS;(2R,3R)-Chiraphos;(R,R)-Chiraphos,97%;2,3-Bis(diphenylphosphino)butane;(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE;(2R,3R)-Butane-2,3-diylbis(diphenylphosphine);(2R,3R)-(+)-2,3-BIS(DIPHENYL PHOSPHINO)BUTANE;((2R,3R)-butane-2,3-diyl)bis(diphenylphosphane);(2R,3R)-(+)-Bis(diphenylphosphino)butane, (R,R)-CHIRAPHOS;[(2R,3R)-3-diphenylphosphanylbutan-2-yl]-diphenylphosphane
CBNumber
CB2351836
Molecular Formula
C28H28P2
Formula Weight
426.48
MOL File
74839-84-2.mol
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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Property

Melting point:
104-109 °C
Boiling point:
529.2±33.0 °C(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
form 
solid
color 
white
Sensitive 
Air Sensitive
InChI
1S/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/m1/s1
InChIKey
FWXAUDSWDBGCMN-DNQXCXABSA-N
SMILES
C[C@H]([C@@H](C)P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4
CAS DataBase Reference
74839-84-2
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
36/37/39-26-37/39
WGK Germany 
3
TSCA 
No
HS Code 
29310099
Storage Class
11 - Combustible Solids
Hazard Classifications
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
725102
Product name
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
Packaging
250mg
Price
$99.9
Updated
2025/07/31
Sigma-Aldrich
Product number
725102
Product name
(2R,3R)-(+)-2,3-Bis(diphenylphosphino)butane
Packaging
1g
Price
$361
Updated
2025/07/31
Strem Chemicals
Product number
15-0165
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS
Packaging
250mg
Price
$95
Updated
2024/03/01
Strem Chemicals
Product number
15-0165
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS
Packaging
1g
Price
$286
Updated
2024/03/01
Strem Chemicals
Product number
15-0165
Product name
(2R,3R)-(+)-Bis(diphenylphosphino)butane, min.98%,(R,R)-CHIRAPHOS
Packaging
5g
Price
$1143
Updated
2024/03/01
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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

(2R,3R)-Bis(diphenylphosphino)butane is a reagent used in the synthesis of endothelin A receptor antagonists. Also used in the synthesis of (R)-Tolterodine and (S)-Tolterodine.

Purification Methods

It recrystallises from absolute EtOH (~6g in 60mL) as colourless plates [Fryzuk & Bosnich J Am Chem Soc 99 6262 1977, Fryzuk & Bosnich J Am Chem Soc 101 3043 1979].

(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Preparation Products And Raw materials

Raw materials

Preparation Products

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(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE Suppliers

J & K SCIENTIFIC LTD.
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18210857532; 18210857532
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86-10-82849933
Email
jkinfo@jkchemical.com
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China
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96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006356688 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
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40228
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Alfa Aesar
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400-6106006
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021-67582001/03/05
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saleschina@alfa-asia.com
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China
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Energy Chemical
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021-021-58432009 400-005-6266
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021-58436166
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sales8178@energy-chemical.com
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Daicel Chiral Technologies (China)CO.,LTD
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021-50460086-9 15921403865
Fax
+86-21-50462321
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han_yajun@dctc.daicel.com
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China
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Thermo Fisher Scientific
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800-810-5118
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+86-10-84193589
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cnchemical@thermofisher.com
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China
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Bide Pharmatech Ltd.
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400-400-164-7117 18317119277
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+86-21-61629029
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product02@bidepharm.com
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Sinocompound Catalysts Co., Ltd.
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0512-67216630 67216634
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0512-56316689
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sales@sinocompound.com
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China
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Hubei Jusheng Technology Co.,Ltd
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027-59599241 18871490274
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027-59599241
Email
1400878000@qq.com
Country
China
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Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51395
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View Lastest Price from (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE manufacturers

Career Henan Chemical Co
Product
(2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANE 74839-84-2
Price
US $1.00-2.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1kg,10kg,100kg
Release date
2019-08-07

74839-84-2, (2R,3R)-(+)-BIS(DIPHENYLPHOSPHINO)BUTANERelated Search:


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  • 74839-84-2
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