CAS No.117-59-9,1-Naphthol-5-sulfonic acid Suppliers

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Basic Information

Molecular Structure:
CAS No.:	117-59-9
Name:	1-Naphthol-5-sulfonic acid
Article Data:	8

Formula:	C₁₀H₈O₄S
Molecular Weight:	224.237
Synonyms:	1-Hydroxy-5-naphthalenesulfonicacid;5-Hydroxy-1-naphthalenesulfonic acid;C.I.14820;L Acid;a-Naphthol-5-sulfonicacid;
EINECS:	204-199-7
Density:	1.549 g/cm³
Melting Point:	110~112 °C
Solubility:	soluble in water
Appearance:	off-white to reddish paste
Hazard Symbols:	Xn
Risk Codes:	R22; R36/37/38
PSA:	82.98000
LogP:	2.87290

Synthetic route

: 84-89-9
1-aminonaphthalene-5-sulfonic acid

: furan-2,3,5(4H)-trione pyridine (1:1)

A: 83-55-6
5-amino-1-naphthol

B: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

C: 83-56-7
1,5-dihydroxynaphthalene

D: 134-32-7
1-amino-naphthalene

Conditions

Conditions	Yield
at 220 - 300℃; im Autoklaven;

...Expand

: 84-89-9
1-aminonaphthalene-5-sulfonic acid

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With water; sodium hydrogensulfite at 100℃;

: 89108-43-0
5-chloronaphthalene-1-sulfonic acid

: furan-2,3,5(4H)-trione pyridine (1:1)

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
at 240 - 250℃; unter Druck;

: 81-04-9
naphthalene-1,5-disulfonate

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With sodium hydroxide at 160 - 190℃; durch Verschmelzen;

: 417712-00-6
5-oxo-5,6,7,8-tetrahydro-naphthalene-1,7-disulfonic acid

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With hydroxide

: 81-04-9
naphthalene-1,5-disulfonate

alkalies: alkalies

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
at 160 - 190℃;

diazotized naphthylamine-(1)-sulfonic acid-(5): diazotized naphthylamine-(1)-sulfonic acid-(5)

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With sulfuric acid

disodium-: disodium-

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With sodium hydroxide; water at 260℃;

sodium salt of/the/ 1-chloro-naphthalene-sulfonic acid-(5): sodium salt of/the/ 1-chloro-naphthalene-sulfonic acid-(5)

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

Conditions

Conditions	Yield
With sodium hydroxide at 240 - 250℃;

: 7664-93-9
sulfuric acid

: 171290-14-5
5-sulfo-naphthalene-1-diazonium-betaine

: 117-59-9
1-hydroxynaphthalene-5-sulphonic acid

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Specification

The 1-Naphthol-5-sulfonic acid, with the CAS registry number 117-59-9, is also known as 1-Hydroxy-5-naphthalenesulfonicacid. It belongs to the product category of Intermediates of Dyes and Pigments. Its EINECS number is 204-199-7. This chemical's molecular formula is C₁₀H₈O₄S and molecular weight is 224.23. What's more, its systematic name is 5-Hydroxy-1-naphthalenesulfonic acid. This chemical should be sealed and stored in a cool, ventilated and dry place. Moreover, it should be protected from heat and moisture. It is used to prepare dyes and organic pigments, and it is also used to prepare sensitiser 215 of photoresist. The product is the intermediate of the direct dyes and organic pigments.

Physical properties of 1-Naphthol-5-sulfonic acid are: (1)ACD/LogP: -0.007; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.50; (4)ACD/LogD (pH 7.4): -3.52; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 82.98 Å²; (13)Index of Refraction: 1.704; (14)Molar Refractivity: 56.188 cm³; (15)Molar Volume: 144.756 cm³; (16)Polarizability: 22.275×10^-24cm³; (17)Surface Tension: 71.13 dyne/cm; (18)Density: 1.549 g/cm³.

Preparation: it is a method of addition. Lauren acid (1-amino-5-naphthalene acid) as raw material has an addition reaction with sodium hydrogensulfite aqueous solution in the presence of hydrochloric acid, then the product is got by hydrolysis, acidification and pressure filtration.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1cccc2c1cccc2O
(2)Std. InChI: InChI=1S/C10H8O4S/c11-9-5-1-4-8-7(9)3-2-6-10(8)15(12,13)14/h1-6,11H,(H,12,13,14)
(3)Std. InChIKey: YLKCHWCYYNKADS-UHFFFAOYSA-N