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Cas Database

Name	7-Anilino-4-hydroxy-2-naphthalenesulfonic acid	EINECS	204-320-3
CAS No.	119-40-4	Density	1.495 g/cm³
PSA	95.01000	LogP	4.68950
Solubility	587.97mg/L at 25℃	Melting Point	N/A
Formula	C₁₆H₁₃NO₄S	Boiling Point	N/A
Molecular Weight	315.35	Flash Point	N/A
Transport Information	N/A	Appearance	N/A
Safety	22-24/25	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	1-Naphthol-3-sulfonicacid, 6-anilino- (5CI);2-Naphthalenesulfonic acid, 7-anilino-4-hydroxy-(7CI,8CI);1-Hydroxy-6-anilinonaphthalene-3-sulfonic acid;2-Anilino-5-naphthol-7-sulfonicacid;2-Phenylamino-5-naphthol-7-sulfonic acid;4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonic acid;6-(Phenylamino)-1-naphthol-3-sulfonic acid;6-Phenylamino-1-hydroxynaphthalene-3-sulfonic acid;7-Anilino-4-hydroxy-2-naphthalenesulfonic acid;N-Phenyl I acid;N-Phenyl Jacid;NSC 1745;NSC 37153;	Article Data	5

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Synthetic route

: 87-02-5
1-hydroxy-6-amino-3-naphthalenesulfonic acid

: 62-53-3
aniline

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions

Conditions	Yield
With sodium metabisulfite at 100 - 110℃; pH=4-6; Reagent/catalyst;	70.2%
With sodium disulfite

: 118-33-2
6-amino-naphthalene-1,3-disulfonic acid

: 62-53-3
aniline

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions

Conditions	Yield
With aniline hydrochloride man macht mit Soda alkalisch, dampft ein und erhitzt mit Kalilauge auf 210-220grad;

: 6357-94-4
4,7-dihydroxy-naphthalene-2-sulfonic acid

: 62-53-3
aniline

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions

Conditions	Yield
With ammonium sulfite

: 87-02-5
1-hydroxy-6-amino-3-naphthalenesulfonic acid

: 62-53-3
aniline

sodium disulfite: sodium disulfite

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 62-53-3
aniline

naphthol-(2)-disulfonic acid-(5.7): naphthol-(2)-disulfonic acid-(5.7)

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions

Conditions	Yield
With aniline hydrochloride man macht mit Soda alkalisch, dampft ein und erhitzt mit Kalilauge auf 210-220grad;

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 98-88-4
benzoyl chloride

: 4-(benzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;	85%

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

: 3-(3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium carbonate; sodium chloride In water 1.) 0-5 deg C, 3 h; 2.) 60 deg C;	84%

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 874-60-2
4-methyl-benzoyl chloride

: 4-(4-methylbenzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;	82%

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 3282-30-2
pivaloyl chloride

: 4-(2,2-dimethylpropanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;	80%

: 2736-40-5
chlorure d'acide ethyl-2 butyrique

: 119-40-4
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

: 4-(2-ethylbutanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;	78%

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Chemical Properties

Product Name: 2-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)- (CAS NO.119-40-4)

Molecular Formula: C₁₆H₁₃NO₄S
Molecular Weight: 315.34g/mol
Mol File: 119-40-4.mol
EINECS: 204-320-3
Density: 1.495 g/cm³
Surface Tension: 75.1 dyne/cm
XLogP3-AA: 1.4
H-Bond Donor: 3
H-Bond Acceptor: 5
Structure Descriptors of 2-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)- (CAS NO.119-40-4):
IUPAC Name: 7-anilino-4-hydroxynaphthalene-2-sulfonic acid
Canonical SMILES: C1=CC=C(C=C1)NC2=CC3=CC(=CC(=C3C=C2)O)S(=O)(=O)O
InChI: InChI=1S/C16H13NO4S/c18-16-10-14(22(19,20)21)9-11-8-13(6-7-15(11)16)17-12-4-2-1-3-5-12/h1-10,17-18H,(H,19,20,21)
InChIKey: YGNDWDUEMICDLW-UHFFFAOYSA-N
Product Categories: Intermediates of Dyes and Pigments

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Safety Profile

Safety Information of 2-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)- (CAS NO.119-40-4):
Safety Statements: 22-24/25
22: Do not breathe dust
24: Avoid contact with skin
25: Avoid contact with eyes

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid Specification

2-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)- , its CAS NO. is 119-40-4, the synonyms are 4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonic acid ; 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid ; Phenyl J Acid ; 2-Naphthalenesulfonic acid, 7-anilino-4-hydroxy- (8CI) .

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