8-Amino-2-naphthalenol (HCID 8358)

Names & identifiers

Preferred name: 8-Amino-2-naphthalenol
IUPAC: 8-aminonaphthalen-2-ol
English name: 1-Amino-7-naphthol
Molecular formula: C10H9NO
Molecular weight: 159.18

Names & synonyms

8-Amino-2-naphthol118-46-71-Amino-7-naphthol2-Naphthalenol, 8-amino-1-Amino-7-hydroxynaphthalene7-Hydroxy-1-naphthylamine8-Amino-2-naphthalenol2-NAPHTHOL, 8-AMINO-EINECS 204-252-4SLL7476ODNNSC 60277BRN 2207365

Show more names

8-Aminonaphthalen-2-olCYANOL1-Amino-7-phthol8-AMINO-2-NAPHTOL8-amino-2-naphtho8-Amino-2-naptholAMINO-2-NAPHTHOL, 8-

AI3-51302NSC-79398A2HNAPNSC-60277DTXSID30594743-13-00-01907 (Beilstein Handbook Reference)RefChem:547554DTXCID3033434

Database identifiers

CAS: 118-46-7
PubChem CID: 8358
DTXSID: DTXSID3059474
UNII: SLL7476ODN
EC Number: 204-252-4
Nikkaji: J54.245H

Properties

Computed structural properties

XLogP: 1.6
Topological polar surface area: 46.3 Å²
Hydrogen bond donors: 2
Hydrogen bond acceptors: 2
Rotatable bonds: 0
Heavy atoms: 12
Formal charge: 0
Complexity: 160

Physicochemical properties

Melting point: 206 · 206-210 °C(lit.)
Boiling point: 284.68 °C · 284.68°C (rough estimate)
Density: 1.1202 · 1.1202 (rough estimate)
refractive index: 1.607 · 1.6070 (estimate)
storage temp.: 2 · 2-8°C, stored under nitrogen
solubility: soluble in Methanol
form: Powder or Crystals
pka: 1 · pK1: 4.20(+1) (25°C)
color: Gray to brown
Water Solubility: slightly soluble
Sensitive: Light Sensitive
InChI: InChI=1S/C10H9NO/c11-10-3-1-2-7-4-5-8(12)6-9(7)10/h1-6,12H,11H2
InChIKey: KVHHMYZBFBSVDI-UHFFFAOYSA-N
SMILES: C1=C2C(C=CC=C2N)=CC=C1O
CAS DataBase Reference: 118 · 118-46-7(CAS DataBase Reference)
FDA UNII: 7476 ODN · SLL7476ODN
EPA Substance Registry System: 2 · 2-Naphthalenol, 8-amino- (118-46-7)
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
Symbol(GHS): 7 · GHS07
Signal word: Warning
Hazard statements: 315 · H315-H319-H335
Precautionary statements: 280 a-P304+P340-P405-P501a-P261-P305+P351+P338-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 · P280a-P304+P340-P405-P501a-P261-P305+P351+P338-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
target organs: Respiratory system
PPE: 95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes: Xi
Risk Statements: 36 · 36/37/38
Safety Statements: 26 · 26-36-37/39
WGK Germany: 2 · 2
RTECS: 3331000 · QL3331000
TSCA: TSCA listed
HS Code: 29222990 · 29222990
Storage Class: 11 · 11 - Combustible Solids
Hazard Classifications: 2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 45 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Safety data

PPE: dust mask type N95 (US), Eyeshields, Gloves
wgk: 2
tsca: TSCA listed
rtecs: QL3331000
hs_code: 29222990
risk_code: 36/37/38
Signal word: Warning
Symbol(GHS): GHS07
hazard_code: Xi
safety_code: 26-36-37/39
Storage Class: 11 - Combustible Solids
target organs: Respiratory system
Hazard statements: H315-H319-H335
Hazard Classifications: Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements: P280a-P304+P340-P405-P501a-P261-P305+P351+P338-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

Chemistry & industry

Uses & manufacturing

General Manufacturing Information2-Naphthalenol, 8-amino-: INACTIVE

Applications

UsesSulfonation gives 1-amino-7-hydroxynaphthalene-4-sulfonic acid. The N-acetyl derivative is an important coupling component for after-chrome and metal-complex dyes, e.g., C.I. Mordant Black 38 and C.I. Acid Black 60.