CAS 20721-50-0|2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol

Introduction：Basic information about CAS 20721-50-0|2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol, 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	2,2'-[[4-[(4-aminophenyl)azo]phenyl]imino]bisethanol
CAS Number	20721-50-0	Molecular Weight	300.35600
Density	1.22g/cm3	Boiling Point	569.2ºC at 760 mmHg
Molecular Formula	C₁₆H₂₀N₄O₂	Melting Point	157-160ºC(lit.)
MSDS	ChineseUSA	Flash Point	298.1ºC
Symbol	GHS07	Signal Word	Warning

Names

Name	disperse black 9
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.22g/cm3
Boiling Point	569.2ºC at 760 mmHg
Melting Point	157-160ºC(lit.)
Molecular Formula	C₁₆H₂₀N₄O₂
Molecular Weight	300.35600
Flash Point	298.1ºC
Exact Mass	300.15900
PSA	94.44000
LogP	3.05640
Vapour Pressure	8.51E-14mmHg at 25°C
Index of Refraction	1.61
InChIKey	NZKTVPCPQIEVQT-UHFFFAOYSA-N
SMILES	Nc1ccc(N=Nc2ccc(N(CCO)CCO)cc2)cc1

Safety Information

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	3204110000

Customs

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Synonyms

4-AMINO-4'-(BIS(2-HYDROXYETHYL)AMINO)AZOBENZENE

EINECS 243-987-5

Disperse Red 19-Cl

2,2'-[4-(4-Aminophenylazo)phenylimino]diethanol

4-<2-Chlor-4-nitro-phenylazo>-N,N-dihydroxyaethyl-anilin

MFCD00161159

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