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Cas Database |
| Name |
Bis(benzene)chromium |
EINECS | 215-042-7 |
| CAS No. | 1271-54-1 | Density | g/cm3 |
| PSA | 0.00000 | LogP | 3.37320 |
| Solubility | insoluble in water | Melting Point |
284-285 °C |
| Formula | C12H12 Cr | Boiling Point | 78.8 °C at 760 mmHg |
| Molecular Weight | 208.223 | Flash Point | 180 °F |
| Transport Information | UN# 1325 | Appearance | brown to black xtl. |
| Safety | Poison by intravenous route. When heated to decomposition it emits toxic fumes of Cr. | Risk Codes | 11 |
| Molecular Structure |
|
Hazard Symbols |
 F
|
| Synonyms |
Chromium,bis(benzene)- (6CI,8CI); Bis(benzene)chromium; Bis(benzene)chromium(0); Bis(h6-benzene)chromium; Di(h6-benzene)chromium;Dibenzenechromium; p-Bis(benzene)chromium(0) |
Article Data | 66 |
Bis(benzene)chromium Chemical Properties
IUPAC Name: benzene; chromium; cyclohexane
Molecular Formula C12H12Cr
Molecular Weight: 208.21978 [g/mol]
H-Bond Donor: 0
H-Bond Acceptor: 6
Rotatable Bond Count: 0
Exact Mass: 208.034412
MonoIsotopic Mass: 208.034412
Topological Polar Surface Area: 0
Heavy Atom Count: 13
Formal Charge: -6
Complexity: 97.3
Canonical SMILES: [CH-]1[CH-][CH-][CH-][CH-][CH-]1.C1=CC=CC=C1.[Cr]
InChI: InChI=1S/2C6H6.Cr/c2*1-2-4-6-5-3-1;/h2*1-6H;/q;-6;
InChIKey: IWCQVOVBDXJJDF-UHFFFAOYSA-N
Structure of Bis(benzene)chromium (CAS NO.1271-54-1):
Bis(benzene)chromium Toxicity Data With Reference
| 1. | ivn-mus LD50:17,800 µg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02380 . |
Bis(benzene)chromium Safety Profile
Hazard Codes: 
F
Risk Statements: 11
R11:Highly flammable.
Safety Statements: 16-33
S16:Keep away from sources of ignition.
S33:Take precautionary measures against static discharges.
RIDADR UN: 1325 4.1/PG 2
WGK Germany: 3
RTECS: GB5850000
HazardClass: 4.2
PackingGroup: I
Poison by intravenous route. When heated to decomposition it emits toxic fumes of Cr.
Bis(benzene)chromium Standards and Recommendations
OSHA PEL: TWA 0.5 mg(Cr)/m3
ACGIH TLV: TWA 0.5 mg(Cr)/m3; Not Classifiable as a Carcinogen
Bis(benzene)chromium Specification
Bis(benzene)chromium , its cas register number is 1271-54-1. It also can be called Bis(eta(sup 6)-benzene)chromium ; Dibenzenechromium ; Diphenylchromium ; EINECS 215-042-7; Chromium(II), diphenyl- ; Chromium, bis(benzene)- (8CI) ; Chromium, bis(eta(sup 6)-benzene)- (9CI) . Bis(benzene)chromium (CAS NO.1271-54-1) is highly flammable. So keep away from sources of ignition and take precautionary measures against static discharges.
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