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1,12-Dimethyl[4]helicene

HCID 77696
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
4076-43-1
Standard SMILES
Cc1cccc2ccc3ccc4cccc(C)c4c3c12
InChIKey
IXANOVMXMUKUEE-UHFFFAOYSA-N
Molecular formula
C20H16
Average molar mass
256.3 g/mol
Monoisotopic mass
256.12520051

Names & identifiers

Preferred name
1,12-Dimethyl[4]helicene
IUPAC
1,12-dimethylbenzo[c]phenanthrene
English name
1,12-DIMETHYLBENZO[C]PHENANTHRENE
Molecular formula
C20H16
Molecular weight
256.34

Names & synonyms

Benzo[c]phenanthrene, 1,12-dimethyl-4076-43-11,12-Dimethyl[4]helicene1,12-Dimethyl(4)heliceneBenzo(c)phenanthrene, 1,2-dimethyl-NSC 409535Benzo(c)phenanthrene, 1,12-dimethyl-DTXSID70193751RefChem:214140DTXCID10116242Benzo(c)phenanthrene, 1,12-dimethyl-(8CI)Benzo(c)phenanthrene, 1,12-dimethyl-(8CI)(9CI)
Show more names
AR-G52 1,12-DIMETHYLBENZO(C)PHENANTHRENE1,12-Dimethylbenzo[c]phenanthrene@50 μg/mL in Toluene
IXANOVMXMUKUEE-UHFFFAOYSA-N1,12-Dimethylbenzo[c]phenanthreneNSC-409535NSC409535ABF7Q8LXL8Benzo(c)phenanthrene, 1,12-dimethyl- (8CI)(9CI)Benzo[c]phenanthrene,2-dimethyl-Benzo[c]phenanthrene,12-dimethyl-

Database identifiers

CAS
4076-43-1
PubChem CID
77696
DTXSID
DTXSID70193751
UNII
ABF7Q8LXL8
EC Number
637-019-4
Nikkaji
J103.324G

Properties

Computed structural properties

XLogP
6.4
Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
0
Rotatable bonds
0
Heavy atoms
20
Formal charge
0
Complexity
314

Physicochemical properties

Boiling point
334.58 °C · 334.58°C (rough estimate)
Density
1.084 · 1.0840 (estimate)
refractive index
1.729 · 1.7290 (estimate)
FDA UNII
7 Q8LXL8 · ABF7Q8LXL8
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
319 · H319-H302-H413
Precautionary statements
264 · P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P264, P264+P265, P270, P273, P280, P301+P317, P305+P351+P338, P330, P337+P317, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesAcute Tox. 4 (100%)

Safety data

Signal word
Warning
Symbol(GHS)
GHS07
Hazard statements
H319-H302-H413
Precautionary statements
P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501

Chemistry & industry

Suppliers1 total

BOC Sciences+1-631-485-4226 · [email protected]

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes