1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-

HCID 6752CAS 83-64-7
Substructure searchFind similar structures

Basic information

Standard SMILES
Nc1ccc(S(=O)(=O)O)c2cccc(O)c12
InChIKey
LRDIEHDJWYRVPT-UHFFFAOYSA-N
Molecular formula
C10H9NO4S
Average molar mass
239.25 g/mol
Monoisotopic mass
239.02522894

Names & identifiers

Preferred name
1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-
IUPAC
4-amino-5-hydroxynaphthalene-1-sulfonic acid
English name
1-AMINO-8-NAPHTHOL-4-SULFONIC ACID
Molecular formula
C10H9NO4S
Molecular weight
239.25

Names & synonyms

83-64-7S acid4-Amino-5-hydroxy-1-naphthalenesulfonic acidChicago acid S1-NAPHTHALENESULFONIC ACID, 4-AMINO-5-HYDROXY-Kyselina SKyselina S [Czech]Aminonaphtholsulfonic acid SAminonaphthol sulfonic acid SEINECS 201-491-6NSC 10434Kyselina 1-amino-8-naftol-4-sulfonova
Show more names
kyselinaschicagoacidsMeldrum’Formyl Meldrum’Pamitoyl Meldrum’Isobutyryl Meldrum’AMINONAPHTHOL SULFONIC ACID S1-Amino-8-naphthol-4-sulfonicAci1-AMINO-8-NAPTHOL-4-SULFONIC ACID
BRN 2127506AI3-232174-Amino-5-hydroxynaphthalene-1-sulphonic acidKyselina 1-amino-8-naftol-4-sulfonova [Czech]DTXSID10588963-14-00-02290 (Beilstein Handbook Reference)RefChem:4348908Amino1naphthol5sulfonic acid

Database identifiers

CAS
83-64-7
PubChem CID
6752
DTXSID
DTXSID1058896
ChEMBL
CHEMBL1618860
EC Number
201-491-6
Nikkaji
J40.555H

Properties

Computed structural properties

XLogP
1.4
Topological polar surface area
109 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
5
Rotatable bonds
1
Heavy atoms
16

Experimental & physicochemical properties

Physical DescriptionSolid; [Sigma-Aldrich MSDS]

Physicochemical properties

Density
1.4338 · 1.4338 (rough estimate)
refractive index
1.65 · 1.6500 (estimate)
storage temp.
-20 °C · -20°C Freezer, Under inert atmosphere
solubility
DMSO (Slightly), Methanol (Slightly)
form
Solid
color
Dark Brown

Safety & regulation

GHS classification

GHS Classification · 5 items

Danger

H314 (97.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Hazard information

Hazards SummaryA mild eye irritant; [RTECS] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See Amido-G-acid and 1-Amino-2-naphthol-4-sulfonic acid.
Hazard Classes and CategoriesSkin Corr. 1B (97.4%)

Toxicology

Adverse EffectsDermatotoxin - Skin burns.；Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

Safety data

wgk
2
tsca
TSCA listed
rtecs
QK1295000
ridadr
UN 2583 8/PG 2
risk_code
34
Signal word
Warning

Chemistry & industry

Uses & manufacturing

General Manufacturing Information1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-: ACTIVE
Applications · 3 items

Uses1-Amino-8-naphthol-4-sulfonic Acid is used in the synthesis of dye compounds.

UsesThe S acid and its acetyl derivative are used as azo coupling components in e.g., C.I. Mordant Green 14, C.I. Mordant Blue 7, and C.I. Direct Green 39.

UsesAzo dye intermediate.

Upstream & downstream products

Downstream products

Esfenvalerate1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, monosodium saltsodium 4-amino-5-hydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonatedisodium 4-amino-3-[(4-aminophenyl)azo]-6-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-5-hydroxynaphthalene-1-sulphonateBenzoic acid, 5-[[4'-[[8-amino-7-[(2,5-disulfophenyl)azo]-1-hydroxy-5-sulfo-2-naphthalenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, tetrasodium saltMordant Violet 36amanil developed black bhsw6,6'-[(3,3'-Dimethyl-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxy-1-naphthalenesulfonic acid]disodium salt5-Hydroxy-4-[[4-(phenylamino)-5-sulfo-1-naphthalenyl]azo]-1-naphthalenesulfonic acid disodium salt5-Amino-3-[[4'-[(8-amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-, trisodium saltC.I. Direct Black 96

Suppliers29 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
宁波君龙新材料有限公司0574 88552216 19032109277 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
陕西缔都化学有限公司029-029-81123119 17391733320 · [email protected]
爱斯特（成都）生物制药股份有限公司+86-28-85122536 85324413 · [email protected]

Related reactions

2 records
New reaction record

Linked notes

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