1,3,6-Naphthalenetrisulfonicacid, 7-hydroxy- supplier

Name
2,NAPHTHOL-3,6,8-TRISULFONIC ACID
EINECS 228-407-0
CAS No. 6259-66-1
Article Data8
CAS DataBase
Density 2.019 g/cm³
Solubility
Melting Point
Formula C₁₀H₈O₁₀S₃
Boiling Point
Molecular Weight 384.366
Flash Point
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms 2-Hydroxy-3,6,8-naphthalenetrisulfonicacid;2-Naphthol-3,6,8-trisulfonic acid;7-Hydroxy-1,3,6-naphthalenetrisulfonicacid;
PSA 208.48000
LogP 3.52790

Synthetic route

: 7-ethoxycarbonyloxy-naphthalene-1,3,6-trisulfonic acid ; potassium salt

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
beim Trocknen;

: 135-19-3
β-naphthol

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 70 - 80℃; man gibt noch H2SO4 hinzu und erhitzt laengere Zeit auf 120grad; endlich fuegt man rauchende Schwefelsaeure (mit 40prozent SO3) hinzu und erwaermt laengere Zeit auf 150grad;
With sulfuric acid; sulfur trioxide at 140 - 160℃; das Reaktionsprodukts verarbeitet man dann in der ueblichen Weise auf das Natriumsalz;
With sulfuric acid at 70 - 80℃; man gibt noch H2SO4 hinzu und erhitzt laengere Zeit auf 120grad; endlich fuegt man rauchende Schwefelsaeure (mit 40prozent SO3) hinzu und erwaermt laengere Zeit auf 150grad;
With sulfuric acid; sulfur trioxide at 140 - 160℃; das Reaktionsprodukts verarbeitet man dann in der ueblichen Weise auf das Natriumsalz;

: 2,2-dioxo-2λ6-naphth[2,3-c][1,2]oxathiete-5,7-disulfonic acid

diluted NaOH-solution: diluted NaOH-solution

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 7664-93-9
sulfuric acid

: 135-19-3
β-naphthol

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
at 140 - 160℃;
at 140 - 160℃;

3-hydroxy-naphthalene-disulfonic acid-(2.7): 3-hydroxy-naphthalene-disulfonic acid-(2.7)

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 175℃;

7-hydroxy-naphthalene-disulfonic acid-(1.3): 7-hydroxy-naphthalene-disulfonic acid-(1.3)

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 175℃;

: 7732-18-5
water

: 7-ethoxycarbonyloxy-naphthalene-1,3,6-trisulfonic acid ; potassium salt

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
beim Aufbewahren;

: 856210-17-8
7-ethoxycarbonyloxy-naphthalene-1,3,6-trisulfonyl chloride

alcoholic alkaline solution: alcoholic alkaline solution

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 856210-17-8
7-ethoxycarbonyloxy-naphthalene-1,3,6-trisulfonyl chloride

aqueous alkaline solution: aqueous alkaline solution

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 67-66-3
chloroform

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 8-formyl-7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 118-03-6
7-aminonaphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
With ammonia

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 6357-98-8
4,6,7-trihydroxy-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With alkali durch Verschmelzen;
With alkali durch Verschmelzen;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

A: 149141-96-8
6,7-dihydroxy-naphthalene-1,3-disulfonic acid

B: 81344-22-1
3,5-dihydroxynaphthalene 2,7-disulfonic acid

Conditions

Conditions	Yield
durch die Natronschmelze;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 7-hydroxy-naphthalene-1,3,6-trisulfonyl chloride

Conditions

Conditions	Yield
With chlorosulfonic acid at 130℃;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 88246-96-2
8-amino-7-hydroxy-naphthalene-1,3,6-trisulfonic acid

Conditions

Conditions	Yield
durch Reduktion von Azoderivaten;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 148-75-4
2-naphthol-3,6-disulphonic acid

Conditions

Conditions	Yield
With sodium amalgam

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 541-41-3
chloroformic acid ethyl ester

: 7-ethoxycarbonyloxy-naphthalene-1,3,6-trisulfonic acid ; potassium salt

Conditions

Conditions	Yield
With potassium hydroxide

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

1.6.7-trioxy-naphthalene-sulfonic acid-(3): 1.6.7-trioxy-naphthalene-sulfonic acid-(3)

Conditions

Conditions	Yield
setzt man die Natronschmelze laenger fort;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 7664-41-7
ammonia

: 118-03-6
7-aminonaphthalene-1,3,6-trisulfonic acid

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

A: 81344-22-1
3,5-dihydroxynaphthalene 2,7-disulfonic acid

B 2.3-dioxy-naphthalene-disulfonic acid-(5.7)(?): 2.3-dioxy-naphthalene-disulfonic acid-(5.7)(?)

Conditions

Conditions	Yield
bei der Natronschmelze;
durch die Natronschmelze;

: 7790-94-5
chlorosulfonic acid

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 7-hydroxy-naphthalene-1,3,6-trisulfonyl chloride

Conditions

Conditions	Yield
at 130℃;

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

sodium amalgam: sodium amalgam

: 148-75-4
2-naphthol-3,6-disulphonic acid

: 6259-66-1
7-hydroxy-naphthalene-1,3,6-trisulfonic acid

: 26628-39-7
2,3,5-trihydroxynaphthalene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: alkali / durch Verschmelzen View Scheme

1,3,6-Naphthalenetrisulfonicacid, 7-hydroxy- Specification

The 1,3,6-Naphthalenetrisulfonicacid, 7-hydroxy-, with the CAS registry number 6259-66-1, is also known as 2-Naphthol-3,6,8-trisulfonic acid. Its EINECS number is 228-407-0. This chemical's molecular formula is C₁₀H₈O₁₀S₃ and molecular weight is 384.36. What's more, its systematic name is 7-Hydroxynaphthalene-1,3,6-trisulfonic acid.

Physical properties of 1,3,6-Naphthalenetrisulfonicacid, 7-hydroxy- are: (1)ACD/LogP: -0.62; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -6.12; (4)ACD/LogD (pH 7.4): -6.14; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 10; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 164.48 Å²; (13)Index of Refraction: 1.741; (14)Molar Refractivity: 76.88 cm³; (15)Molar Volume: 190.3 cm³; (16)Polarizability: 30.48×10^-24cm³; (17)Surface Tension: 105.6 dyne/cm; (18)Density: 2.019 g/cm³.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1c2c(cc(c1)S(=O)(=O)O)cc(c(O)c2)S(=O)(=O)O
(2)InChI: InChI=1S/C10H8O10S3/c11-8-4-7-5(2-10(8)23(18,19)20)1-6(21(12,13)14)3-9(7)22(15,16)17/h1-4,11H,(H,12,13,14)(H,15,16,17)(H,18,19,20)
(3)InChIKey: ANYNWDCUWOSEFH-UHFFFAOYSA-N

Product Name

2,NAPHTHOL-3,6,8-TRISULFONIC ACID

Synthetic route

1,3,6-Naphthalenetrisulfonicacid, 7-hydroxy- Specification

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