Hematein supplier | CasNO.475-25-2

Name
HEMATEIN
EINECS 207-492-8
CAS No. 475-25-2
Article Data11
CAS DataBase
Density 1.77g/cm³
Solubility 0.6g/L(20 oC)
Melting Point 180 °C
Formula C₁₆H₁₂O₆
Boiling Point 753.1 °C at 760 mmHg
Molecular Weight 300.268
Flash Point 289 °C
Transport Information
Appearance dark brown crystalline powder
Safety 24/25
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms Hematein(6CI);Haematein;Hematine;NSC 7333;
PSA 107.22000
LogP 1.32960

Synthetic route

haematoxylin: haematoxylin

: 475-25-2
haematein

Conditions

Conditions	Yield
With ammonia Behandeln mit Essigsaeure;
With ammonia at 130℃;
With iodine; mercury(II) oxide

: 17647-60-8
hematoxylin

A: hydroxyhematoxylin

B: 475-25-2
haematein

Conditions

Conditions	Yield
With water Mechanism; Electrolysis;

: 475-25-2
haematein

: hydroxyhematoxylin

Conditions

Conditions	Yield
With water Electrolysis;	7%

: 77-78-1
dimethyl sulfate

: 475-25-2
haematein

KOH-solution: KOH-solution

A haematein-tetramethyl ether: haematein-tetramethyl ether

B pentamethyl-dihydrohaemateinol: pentamethyl-dihydrohaemateinol

Conditions

Conditions	Yield

...Expand

: 10361-92-9
yttrium(III) chloride

: 475-25-2
haematein

: Y(C16H8O6)2(5-)*4H(1+)

Conditions

Conditions	Yield
In water

: lead(II) nitrate

: 475-25-2
haematein

: 2Pb(2+)*C16H8O6(4-)*4H2O={Pb2(C16H8O6)}*4H2O

Conditions

Conditions	Yield
In ammonia addn. of aq. Pb(NO3)2-soln. to aq. ammoniacal soln. of C16H12O6;; pptn.;

: silver nitrate

: 475-25-2
haematein

: silver(I) hematein complex

Conditions

Conditions	Yield
In ethanol

: 301-04-2
lead acetate

: 475-25-2
haematein

: hematein lead(II) complex

Conditions

Conditions	Yield
In ethanol

: gadolinium(III) chloride

: 475-25-2
haematein

: hematein gadolinium(III) complex

Conditions

Conditions	Yield
In ethanol

Hematein Toxicity Data With Reference

cyt-ham:ovr 20 µmol/L/5H-C

ENMUDM Environmental Mutagenesis. 1 (1979),27.

Hematein Consensus Reports

Reported in EPA TSCA Inventory.

Hematein Specification

The Hematein , with cas registry number of 475-25-2, belongs to the product categories of (1) G-H-I ; (2) Stains and Dyes ; (3) Stains & Dyes, A to. It is also called Hematein . Its IUPAC name is 3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-9-one . And its systematic name is called 3,4,6a,10-tetrahydroxy-6a,7-dihydroindeno[2,1-c]chromen-9(6H)-one . It can be used in staining.

Physical properties of Hematein : (1) H bond acceptors: 6 ; (2) H bond donors: 4 ; (3) Freely Rotating Bonds: 4 ; (4) Index of Refraction: 1.821 ; (5) Molar Refractivity: 73.73 cm3; (6) Molar Volume: 169.1 cm3 ; (7) Surface Tension: 110.4 dyne/cm ; (8) Enthalpy of Vaporization: 115.16 kJ/mol ; (9) Vapour Pressure: 7.86E-24 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The Hematein shoulid be stored at 2-8℃. When heated to decomposition, it emits acrid smoke and irritating vapors. When use it, avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1) SMILES:O=C/3C(/O)=CC/2=C1\c4c(OCC1(O)CC\2=C\3)c(O)c(O)cc4;
(2) InChI:InChI=1/C16H12O6/c17-10-2-1-8-13-9-4-12(19)11(18)3-7(9)5-16(13,21)6-22-15(8)14(10)20/h1-4,17,19-21H,5-6H2;
(3) InChIKey:HLUCICHZHWJHLL-UHFFFAOYAU

Product Name

HEMATEIN

Synthetic route

Hematein Toxicity Data With Reference

Hematein Consensus Reports

Hematein Specification

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