-
Name
9-BBN DIMER
- EINECS 206-000-9
- CAS No. 21205-91-4
- Article Data26
- CAS DataBase
- Density
- Solubility
- Melting Point 150-152 °C(lit.)
- Formula C16H30B2
- Boiling Point 365.8 °C at 760 mmHg
- Molecular Weight 244.036
- Flash Point 175 °C
- Transport Information UN 3396 4.3/PG 2
- Appearance white crystals or crystalline powder
- Safety 26-43
- Risk Codes 11-14/15-36/37/38
-
Molecular Structure
-
Hazard Symbols
F, 
Xi
- Synonyms Bis-9-borabicyclo[3.3.1]nonane;Diborane(6),1,1:2,2-di-1,5-cyclooctylene- (8CI);9-BBN dimer;9-Borabicyclononane dimer;
- PSA 0.00000
- LogP 5.27080
9-Borabicyclo[3.3.1]nonane dimer Chemical Properties
Molecular structure of 9-Borabicyclo[3.3.1]nonane dimer (CAS NO.21205-91-4) is:
Product Name: 9-Borabicyclo[3.3.1]nonane dimer
CAS Registry Number: 21205-91-4
Empirical Formula: C16H30B2
Molecular Weight: 244.0314
Storage temp.: 2-8°C
Sensitive: Air & Moisture Sensitive
Melting Point: 150-152 °C(lit.)
Flash Point: 175 °C
Enthalpy of Vaporization: 58.8 kJ/mol
Boiling Point: 365.8 °C at 760 mmHg
Vapour Pressure: 3.23E-05 mmHg at 25°C
Product Categories: Reduction;Synthetic Organic Chemistry
9-Borabicyclo[3.3.1]nonane dimer Safety Profile
Safty information about 9-Borabicyclo[3.3.1]nonane dimer (CAS NO.21205-91-4) is:
Hazard Codes: 
F ;
Xi
Risk Statements: 11-14/15-36/37/38
R11:Highly flammable.
R14/15 :Reacts violently with water and contact with water liberates extremely flammable gases.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-43
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
RIDADR: UN 3396 4.3/PG 2
WGK Germany: 3
F: 10-16
HazardClass: 4.2
PackingGroup: I
9-Borabicyclo[3.3.1]nonane dimer Specification
9-Borabicyclo[3.3.1]nonane dimer , its cas register number is 21205-91-4. It also can be called 9-Bbn dimer ; Bis-9-borabicyclo[3.3.1]nonane ; 9-Bbn Crystalline Dimer ; Dicyclo[3,3,1]9-boron octyl polymer .It is a white crystals or crystalline powder.
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