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EINECS 211-239-7
CAS No. 635-65-4 Density 1.374 g/cm3
Solubility practically insoluble in water Melting Point 192 °C
Formula C33H36N4O6 Boiling Point 925.157 °C at 760 mmHg
Molecular Weight 584.73 Flash Point 513.317 °C
Transport Information Appearance Light orange to deep redish-brown crystalline solid
Safety 22-24/25-36-26 Risk Codes 62-36/37/38-20/21/22
Molecular Structure Molecular Structure of 635-65-4 (21H-Biline-8,12-dipropanoicacid,2,17-diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo-) Hazard Symbols HarmfulXn

Hematoidin (6CI);(4Z,15Z)-Bilirubin IXa;(Z,Z)-Bilirubin IXa;Bilirubin;Bilirubin IXa;Cholerythrin;NSC 26685;


Bilirubin Chemical Properties

Molecule structure of Bilirubin (CAS NO.635-65-4) :

IUPAC Name: 3-[2-[[3-(2-carboxyethyl)-5-[(Z)-(3-ethenyl-4-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(Z)-(4-ethenyl-3-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic
Molecular Weight: 584.66214 g/mol
Molecular Formula: C33H36N4O6
Density: 1.374 g/cm3 
Melting Point: 192 °C
Boiling Point: 925.2 °C at 760 mmHg 
Flash Point: 513.3 °C
Molar Volume: 425.3 cm3
Polarizability: 66.74*10-24 cm3
Surface Tension: 74.5 dyne/cm 
Enthalpy of Vaporization: 140.96 kJ/mol 
Storage temp.: −20 °C
Appreance: light orange to deep redish-brown crystalline solid
Merck: 14.1218
XLogP3-AA: 2.9
H-Bond Donor: 6
H-Bond Acceptor: 6
Rotatable Bond Count: 12
Tautomer Count: 25
Exact Mass: 584.263485
MonoIsotopic Mass: 584.263485
Topological Polar Surface Area: 164
Heavy Atom Count: 43
Complexity: 1340
Canonical SMILES: CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)C=C3C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)C=
Isomeric SMILES: CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)/C=C\3/C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)
InChI: InChI=1S/C33H36N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h7-8,13-14,34-35H,1-2,9-12,15H2,3-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b26-13-,27-14-
EINECS: 211-239-7
Product Categories: Colours, Dyes, Indicators & Pigments; Bile Pigments; Porphyrins; Antioxidant; Biochemistry; Intermediates & Fine Chemicals; Pharmaceuticals; Antioxidants and CytoprotectantsPlasma&Blood Proteins; BilirubinResearch Essentials; Enzyme InhibitorsApplication Index; Cell Stress; Core Bioreagents; Nitric Oxide and Cell Stress; Plasma, Blood, and Related Proteins and Reagents; Serum Proteins; Serum Proteins and Related Enzymes

Bilirubin Uses

 Bilirubin (CAS NO.635-65-4) is used as principal pigment of bile and constituent of many biliary calculi. And also used to be artificial bezoar for the determination of bilirubin in artificial calculus bovis preparation and biochemistry. Bilirubin (CAS NO.635-65-4) has a variety of pharmacological effects, is to create artificial bezoar of the main raw material.

Bilirubin Production

 Bilirubin (CAS NO.635-65-4) is mainly extracted from the bile. Bilirubin is made from fresh cow or pig bile through the bile quicklime role in generating bilirubin calcium, and then hydrochloric acid, chloroform solvent extraction.

Bilirubin Toxicity Data With Reference

mouse LD50 intraperitoneal > 2gm/kg (2000mg/kg) GASTROINTESTINAL: OTHER CHANGES Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. Vol. (103), Pg. 29, 1985.
mouse LD50 oral > 15gm/kg (15000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. Vol. (103), Pg. 29, 1985.

Bilirubin Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 62-36/37/38-20/21/22 
R62:Risk of impaired fertility. 
R36/37/38: Irritating to eyes, respiratory system and skin 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 22-24/25-36-26 
S22: Do not breathe dust
S24/25: Avoid contact with skin and eyes
S36: Wear suitable protective clothing 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
WGK Germany: 2
RTECS: DU3038000
F: 8
HS Code: 29339990

Bilirubin Specification

 Bilirubin (CAS NO.635-65-4) is also called Hematoidin;bilirubin (ex pig) ; 21H-Biline-8,12-dipropanoic acid,2,17-diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo- ; 2,17-Diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-biline-8,12-dipropanoic acid ; 13,18-Tetramethyl-1,19-dioxo- ; 1,10,19,22,23,24-hexahydro-2,7,13,17-tetramethyl-biline-12-dipropionicacid . Bilirubin (CAS NO.635-65-4) is soluble in benzene, chloroform and carbon disulfide and other organic solvents; also soluble in hot ethanol and chloroform mixture; salt soluble in water, but calcium, magnesium and barium salts do not dissolve in water. Bilirubin is created by the activity of biliverdin reductase on biliverdin. Bilirubin, when oxidized, reverts to become biliverdin once again. This cycle, in addition to the demonstration of the potent antioxidant activity of bilirubin, has led to the hypothesis that bilirubin's main physiologic role is as a cellular antioxidant.

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