J acid

J acid Basic information

Product Name:	J acid
Synonyms:	7-amino-4-hydroxy-2-naphthalenesulfonicaci;kyselina6-amino-1-naftol-3-sulfonova;kyselinai;6-amino-1-naphthol-3-sulfonicacid(2-5-7);2-AMINO-5-HYDROXYNAPHTHALENE-7-SULFONIC ACID;2-AMINO-5-NAPHTHOL-7-SULFONIC ACID;7-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID;7-amino-4-hydroxy-2-naphthalene sulphonic acid
CAS:	87-02-5
MF:	C10H9NO4S
MW:	239.25
EINECS:	201-718-9
Product Categories:	Building Blocks;Chemical Synthesis;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Azo dyes;Intermediates of Dyes and Pigments;87-02-5
Mol File:	87-02-5.mol

J acid Chemical Properties

density	1.4338 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.6500 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	Slightly soluble in water
pka	-0.28±0.40(Predicted)
form	powder
color	yellow
Water Solubility	5g/L at 20℃
InChIKey	KYARBIJYVGJZLB-UHFFFAOYSA-N
LogP	-1.39
CAS DataBase Reference	87-02-5(CAS DataBase Reference)
EPA Substance Registry System	7-Amino-4-hydroxy-2-naphthalenesulfonic acid (87-02-5)

Safety Information

Hazard Codes	C
Risk Statements	34
Safety Statements	26-27-36/37/39
RIDADR	UN 2585 8/PG 3
WGK Germany	1
RTECS	QK1295500
F	21
HazardClass	8
PackingGroup	III
HS Code	2922190090
Toxicity	LD50 oral in rat: 11500mg/kg

MSDS Information

Provider	Language
SigmaAldrich	English

J acid Usage And Synthesis

Chemical Properties	Gray needles, white when pure. Soluble in hot water; sparingly soluble in cold water.
Uses	Azo dye intermediate.
Definition	ChEBI: An aminonaphthalenesulfonic acid that is 2-naphthalenesulfonic acid substituted by an amino group at position 7 and a hydroxy group at position 4 respectively.
Flammability and Explosibility	Notclassified

J acid Preparation Products And Raw materials

Raw materials

Sodium hydroxide-->FUMING SULFURIC ACID-->2-Naphthylamine-->2-Aminonaphthalene-1-sulfonic acid-->NAPHTHENIC ACID

Preparation Products

Reactive Orange 5-->disodium 3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulphonate-->5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid-->Reactive Orange 1-->7-(Acetylamino)-4-hydroxy-2-naphthalenesulfonic acid-->6-AMINO-1-NAPHTHOL-->Direct Red 31-->ACID RED 137-->REACTIVE ORANGE 84-->2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt-->1,6-Naphthalenedisulfonic acid, 7-[[4'-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-8-hydroxy-, trisodium salt-->REACTIVE ORANGE 82-->Benzoic acid, 2-[[1-amino-7-[[4-[[6-amino-5-[(3-carboxy-4-hydroxyphenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2-methoxyphenyl]azo]-8-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-5-[[6-amino-5-[(3-carboxy-4-hydroxyphenyl)azo]-1-hydroxy-3-sul-->disodium 7-(acetylamino)-3-[[4-[(4-chloro-2-sulphonatophenyl)azo]-2,5-dimethylphenyl]azo]-4-hydroxynaphthalene-2-sulphonate-->trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate-->tetrasodium 2-[[2-amino-6-[[4-[[4-[(3-carboxylato-4-hydroxyphenyl)azo]-7-sulphonato-1-naphthyl]azo]-2,5-dimethoxyphenyl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate-->Direct Blue 278-->Direct Blue 82-->Reactive Red SCARLET 2G-->C.I. Direct Blue 166-->Reactive orange 64

Nickel bis(sulphamidate) SULPHONIC ACID Ethyl 2-(Chlorosulfonyl)acetate Ascoric Acid 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid ALTRENOGEST Sulfamic acid monosodium salt 4-Amino-benzenesulfonic acid monosodium salt Ammonium sulfamate SULFONIC ACID Folic acid Glycine (3-THIOPHEN-2-YLMETHYL-5-THIOXO-1,5-DIHYDRO-[1,2,4]TRIAZOL-4-YL)-ACETIC ACID AMINO ACIDS CHLOROPHOSPHONAZO III 2-Naphthylamine-5,7-disulfonic acid 2-Naphthol Citric acid

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