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482-89-3

482-89-3 structural image
Product Name: Indigo
Formula: C16H10N2O2
Synonyms: Indigo blue;Indigotin
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description C.i. vat blue 1 is a dark blue powder with coppery luster. Occurs in isomeric forms (cis and trans). In solid state it is in the trans form. (NTP, 1992)
Color/Form DARK-BLUE POWDER WITH COPPERY LUSTER
Melting Point 734 to 738 °F (decomposes) (NTP, 1992)
Solubility less than 1 mg/mL (NTP, 1992)
Density 1.35 (NTP, 1992) - Denser than water; will sink
Other Experimental Properties SUBLIMES @ ABOUT 300 °C; DECOMPOSES @ 390 °C; DISSOLVES IN NONPOLAR SOLVENTS WITH RED & IN POLAR SOLVENTS WITH BLUE COLOR; WITH FUMING H2SO4 IT FORMS A SOL SULFONIC ACID; OCCURS AS CIS & TRANS ISOMER; TRANS ISOMER IS SOLID
Chemical Classes Dyes -> Other Dyes

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes 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

Molecular Weight 262.26 g/mol
XLogP3 2.7
Hydrogen Bond Donor Count 2
Hydrogen Bond Acceptor Count 3
Rotatable Bond Count 1
Exact Mass 262.074227566 g/mol
Monoisotopic Mass 262.074227566 g/mol
Topological Polar Surface Area 65.4 Ų
Heavy Atom Count 20
Formal Charge 0
Complexity 448
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

C.i. vat blue 1 is a dark blue powder with coppery luster. Occurs in isomeric forms (cis and trans). In solid state it is in the trans form. (NTP, 1992)