6-Hydroxynaphthalene-2-sulphonic acid

CAS No.：93-01-6

Other grades of this product :

6-Hydroxynaphthalene-2-sulphonic acid Basic information

Product Name:	6-Hydroxynaphthalene-2-sulphonic acid
Synonyms:	2-Hydroxy-6-naphthalenesulfonic acid;2-hydroxy-6-naphthalenesulfonicacid;2-Hydroxynaphthalene-6-sulfonic acid;2-Naphtol-6-sulfosaure;6-hydroxy-2-naphthalenesulfonicaci;Baum's acid;beta-Naphthol-6-sulfonic acid;beta-naphthol-6-sulfonicacid
CAS:	93-01-6
MF:	C10H8O4S
MW:	224.23
EINECS:	202-209-4
Product Categories:	Organic acids;Intermediates of Dyes and Pigments
Mol File:	93-01-6.mol

6-Hydroxynaphthalene-2-sulphonic acid Chemical Properties

Melting point	>300 °C(lit.)
Boiling point	335.63°C (rough estimate)
density	1.4643 (rough estimate)
refractive index	1.5400 (estimate)
pka	0.41±0.40(Predicted)
CAS DataBase Reference	93-01-6(CAS DataBase Reference)
NIST Chemistry Reference	2-Naphthalenesulfonic acid, 6-hydroxy-(93-01-6)
EPA Substance Registry System	2-Naphthalenesulfonic acid, 6-hydroxy- (93-01-6)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3

MSDS Information

Provider	Language
SigmaAldrich	English

6-Hydroxynaphthalene-2-sulphonic acid Usage And Synthesis

6-Hydroxynaphthalene-2-sulphonic acid Preparation Products And Raw materials

Preparation Products

Sunset Yellow FCF-->Acid Black 26-->7-hydroxynaphthalene-1-sulphonic acid-->Benzoic acid, 2-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-, disodium salt-->6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt-->Acid Red 142-->Acid orange 16 (C.I. 16011)-->5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt-->4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-2-ethoxy-2'-hydroxy-[1,1'-azobisnaphthalene]-6,6'-disulfonic acid disodium salt-->SOLVENT VIOLET 2-->2-Naphthalenesulfonic acid, 5,5'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-hydroxy-, disodium salt-->trisodium 8-[[4-[(4-aminophenyl)azo]-6-sulphonatonaphthyl]azo]-5-[(2-hydroxy-6-sulphonatonaphthyl)azo]naphthalene-2-sulphonate-->Acid alizarin black SN;Mordant black 25-->Acid Blue 26-->Direct black 75 (C.I. 35870)-->2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1)-->ACID RED 13-->disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate-->disodium hydrogen bis[5-[(5-chloro-2-hydroxyphenyl)azo]-6-hydroxynaphthalene-2-sulphonato(3-)]chromate(3-)-->Direct Blue 120:2-->CROCEIN ORANGE G

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