DPPB
1,4-bis(diphenylphosphino)butane
CAS: 7688-25-7
Molecular Formula: C28H28P2
DPPB - Names and Identifiers
| Name | 1,4-bis(diphenylphosphino)butane |
| Synonyms | DPPB 1,4-Bis(diphenylphosphino)buta 1,4-bis(diphenylphosphino)butane 1,4-Bis(diphenylphosphiNA)butane TETRAMETHYLENEBIS(DIPHENYLPHOSPHINE) Butane-1,4-diylbis[diphenylphosphine] Tetramethylenebis(diphenylphosphine)DPPB [4-(Diphenylphosphino)butyl](diphenyl)phosphine 1,4-Bis(diphenylphosphino)butane Butane-1,4-diylbis[diphenylphosphine] |
| CAS | 7688-25-7 |
| EINECS | 231-698-7 |
| InChI | InChI=1/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2 |
| InChIKey | BCJVBDBJSMFBRW-UHFFFAOYSA-N |
DPPB - Physico-chemical Properties
| Molecular Formula | C28H28P2 |
| Molar Mass | 426.47 |
| Melting Point | 132-136 °C (lit.) |
| Boling Point | 542.0±33.0 °C(Predicted) |
| Flash Point | 299.5°C |
| Water Solubility | Soluble in chloroform. Slightly soluble in water |
| Vapor Presure | 2.92E-11mmHg at 25°C |
| Appearance | White to yellow crystals |
| Color | White to almost white |
| BRN | 706446 |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD00003051 |
| Physical and Chemical Properties | Melting point 130-137°C. |
DPPB - Risk and Safety
| Risk Codes | R36/38 - Irritating to eyes and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection S33 - Take precautionary measures against static discharges. S16 - Keep away from sources of ignition. S7/9 - |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29319090 |
DPPB - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | 1, 4-bis (diphenylphosphine) butane is an alkane organic compound, which can be used as a pharmaceutical synthesis intermediate. It is a catalyst precursor for organic synthesis, such as the preparation of benzothiazoles. |
| Application | organic phosphine ligands are one of the most widely used and most functional ligands in contemporary homogeneous catalysis, it is widely used in many fields such as basic theoretical research and large-scale industrial production. 1, 4-bis (diphenylphosphine) butane (DPPB) is an alkane organic compound, which can be used as an intermediate in pharmaceutical synthesis. |
| Use | complexes with transition metals are used as catalysts for C- C/C-N/C-O coupling reactions and other organic synthesis; diphosphonates in organometallic chemistry; As Palladium (0) catalysis of ligands in arylcyanation of arylacetylene and deprotection of allyloxy carbamates |
Last Update：2024-04-10 22:29:15
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View History
DPPB
2-巯基-4-甲基嘧啶盐酸盐
ALLYLAMINE HYDROCHLORIDE
1-[4-(MORPHOLIN-4-YLSULFONYL)PHENYL]-5-OXOPYRROLIDINE-3-CARBOXYLIC ACID
4-FLUOROPHENYL 4-METHYL-6,7-DIHYDRO-5H-CYCLOPENTA[D]PYRIMIDIN-2-YL SULFIDE
1,1-DIMETHYLPROPYLZINC BROMIDE
9H-Purin-2-amine, 9-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-
Ethyl 1-Cyclopentene-1-Carboxylate(WX686604)
GLY-GLY-CYS-LEU-PRO-HIS-ASN-ARG-PHE-CYS-ASN-ALA-LEU-SER-GLY-PRO-ARG-CYS-CYS-SER-GLY-LEU-LYS-CYS-LYS-GLU-LEU-SER-ILE-TRP-ASP-SER-ARG-CYS-LEU-NH2
1-Naphthaleneacetic acid, α-[2-(dimethylamino)ethyl]-, hydrochloride (1:1)
2-巯基-4-甲基嘧啶盐酸盐
ALLYLAMINE HYDROCHLORIDE
1-[4-(MORPHOLIN-4-YLSULFONYL)PHENYL]-5-OXOPYRROLIDINE-3-CARBOXYLIC ACID
4-FLUOROPHENYL 4-METHYL-6,7-DIHYDRO-5H-CYCLOPENTA[D]PYRIMIDIN-2-YL SULFIDE
1,1-DIMETHYLPROPYLZINC BROMIDE
9H-Purin-2-amine, 9-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-
Ethyl 1-Cyclopentene-1-Carboxylate(WX686604)
GLY-GLY-CYS-LEU-PRO-HIS-ASN-ARG-PHE-CYS-ASN-ALA-LEU-SER-GLY-PRO-ARG-CYS-CYS-SER-GLY-LEU-LYS-CYS-LYS-GLU-LEU-SER-ILE-TRP-ASP-SER-ARG-CYS-LEU-NH2
1-Naphthaleneacetic acid, α-[2-(dimethylamino)ethyl]-, hydrochloride (1:1)