CAS 78431-21-7|5-CHLORO-1,3-DIMETHYL-4-(2-PHENYLDIAZ-1-ENYL)-1H-PYRAZOLE

Introduction：Basic information about CAS 78431-21-7|5-CHLORO-1,3-DIMETHYL-4-(2-PHENYLDIAZ-1-ENYL)-1H-PYRAZOLE, 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-CHLORO-1,3-DIMETHYL-4-(2-PHENYLDIAZ-1-ENYL)-1H-PYRAZOLE
CAS Number	78431-21-7	Molecular Weight	234.68500
Density	1.26g/cm3	Boiling Point	382.9ºC at 760 mmHg
Molecular Formula	C₁₁H₁₁ClN₄	Melting Point	44ºC
MSDS	/	Flash Point	185.3ºC

Names

Name	(5-chloro-1,3-dimethylpyrazol-4-yl)-phenyldiazene
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.26g/cm3
Boiling Point	382.9ºC at 760 mmHg
Melting Point	44ºC
Molecular Formula	C₁₁H₁₁ClN₄
Molecular Weight	234.68500
Flash Point	185.3ºC
Exact Mass	234.06700
PSA	42.54000
LogP	3.79730
Index of Refraction	1.625
InChIKey	VVHYNADMYWBVPW-UHFFFAOYSA-N
SMILES	Cc1nn(C)c(Cl)c1N=Nc1ccccc1

Safety Information

Hazard Codes	Xn:Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S26-S36/37/39
HS Code	2933199090

Customs

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

5-chloro-1,3-dimethyl-4-phenyldiazenyl-1,2-diazacyclopenta-2,4-diene

Recommended......