CAS 188-52-3|(±)-[5]helicene

Introduction：Basic information about CAS 188-52-3|(±)-[5]helicene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	(±)-[5]helicene
CAS Number	188-52-3	Molecular Weight	278.347
Density	1.2±0.1 g/cm3	Boiling Point	524.7±17.0 °C at 760 mmHg
Molecular Formula	C₂₂H₁₄	Melting Point	/
MSDS	/	Flash Point	264.5±15.1 °C

Names

Name	pentahelicene
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	524.7±17.0 °C at 760 mmHg
Molecular Formula	C₂₂H₁₄
Molecular Weight	278.347
Flash Point	264.5±15.1 °C
Exact Mass	278.109558
LogP	7.14
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.812
InChIKey	JKPCLJPYZMKPHM-UHFFFAOYSA-N
SMILES	c1ccc2c(c1)ccc1ccc3ccc4ccccc4c3c12

Safety Information

HS Code	2902909090

Customs

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Synonyms

[5]Helicene

3,4:5,6-Dibenzophenanthrene

Naphtho[2,1-c]phenanthrene

Dibenzo[c,g]phenanthrene

Dibenzo(c,g)phenanthrene

Pentahelicene

Dibenzo[c,g]phenanthrene,(A'A A'A currency)

(A'A A'A currency)-Pentahelicene

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