BIPHENYLENE
Synonym(s):Diphenylene
- CAS NO.：259-79-0
- Empirical Formula: C12H8
- Molecular Weight: 152.19
- MDL number: MFCD00001110
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is BIPHENYLENE?
Chemical properties
YELLOW NEEDLES
Definition
ChEBI: Biphenylene is an ortho-fused polycyclic arene and an ortho-fused tricyclic hydrocarbon.
Purification Methods
Biphenylene from yellow crystals from cyclohexane, MeOH (m 110-111o) or EtOH (m 111-112o). It sublimes in vacuo. The 2,4,7-trinitrofluorenone complex has m 154o and the picrate gives red needles m 122o from EtOH. [Beilstein 5 I 298, 5 II 530, 5 III 1935, 5 IV 2137.]
Properties of BIPHENYLENE
| Melting point: | 113-114 °C (lit.) |
| Boiling point: | 262℃ |
| Density | 1.190 |
| refractive index | 1.4840 (estimate) |
| Flash point: | 100℃ |
| storage temp. | Sealed in dry,Room Temperature |
| form | Needles |
| color | Yellow |
| EPA Substance Registry System | Biphenylene (259-79-0) |
Safety information for BIPHENYLENE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for BIPHENYLENE
New Products
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