CAS No.3665-51-8,2-Hydroxy-3-naphtoamide Suppliers

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Basic Information

Molecular Structure:
CAS No.:	3665-51-8
Name:	2-Hydroxy-3-naphtoamide
Article Data:	16

Formula:	C11H9 N O2
Molecular Weight:	187.198
Synonyms:	2-Naphthamide,3-hydroxy- (6CI,7CI,8CI); 2-Hydroxy-3-naphthalenecarboxamide;2-Hydroxy-3-naphthamide; 2-Hydroxy-3-naphthoamide; 2-Hydroxy-3-naphthoic acidamide; 3-Hydroxy-2-naphthalenecarboxamide; 3-Hydroxy-2-naphthamide; NSC 37060
EINECS:	222-926-6
Density:	1.33g/cm³
Melting Point:	211-216 ºC
Boiling Point:	426.4°Cat760mmHg
Flash Point:	211.7°C
Hazard Symbols:
Risk Codes:	R36/37/38
Safety:	Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO_x.
PSA:	63.32000
LogP:	2.34460

Synthetic route

: 53855-64-4
3-acetoxy-2-naphthoyl chloride

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With ammonium hydroxide In dichloromethane for 24h; Ambient temperature;	95%

: 92-70-6
3-Hydroxy-2-naphthoic acid

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With phosphoric acid; urea at 180℃; for 2h;	90%
With thionyl chloride; N,N-dimethyl-formamide In dichloromethane for 1h;	72%
Multi-step reaction with 2 steps 1: HCl 2: alcoholic ammonia / 170 °C / im geschlossenen Rohr View Scheme
Multi-step reaction with 5 steps 1: concentrated sulfuric acid 2: thionyl chloride; benzene / Einleiten von Ammoniak in das Reaktionsgemisch 3: thionyl chloride 4: methanolic KOH-solution 5: concentrated sulfuric acid / 0 °C View Scheme

: 52449-77-1
3-hydroxy-2-naphthonitrile

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With sulfuric acid at 0℃;

: 7163-25-9
ethyl 3-hydroxy-2-naphthanoate

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With ammonia at 170℃; im geschlossenen Rohr;
With ammonium sulfite; ammonia at 125℃; im geschlossenen Rohr;

: 1734-00-5
3-hydroxy-2-naphthoyl chloride

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With ammonia; benzene

: 13042-06-3
3-methoxy-[2]naphthoic acid amide

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With hydrogen bromide; acetic acid

: 92616-44-9
3-methoxy-2-naphthonitrile

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With hydrogen bromide; acetic acid

: 57-13-6
urea

: 92-70-6
3-Hydroxy-2-naphthoic acid

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
With phosphoric acid

: 5464-07-3
3-acetoxy-2-naphthoic acid

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 97 percent / oxalyl chloride, DMF / toluene / 1 h / Ambient temperature 2: 95 percent / conc. NH4OH / CH2Cl2 / 24 h / Ambient temperature View Scheme
Multi-step reaction with 4 steps 1: thionyl chloride; benzene / Einleiten von Ammoniak in das Reaktionsgemisch 2: thionyl chloride 3: methanolic KOH-solution 4: concentrated sulfuric acid / 0 °C View Scheme

: 92-70-6
3-Hydroxy-2-naphthoic acid

disulfite: disulfite

: 3665-51-8
3-hydroxy-2-naphthalenecarboxamide

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 82 percent / conc. H2SO4 / 0.08 h / Heating 2: 97 percent / oxalyl chloride, DMF / toluene / 1 h / Ambient temperature 3: 95 percent / conc. NH4OH / CH2Cl2 / 24 h / Ambient temperature View Scheme

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Chemistry

Molecular Formula: C₁₁H₉NO₂
Molecular Weight: 187.20
EINECS: 222-926-6
Density: 1.33 g/cm³
Flash Point: 211.7 °C
Melting Point: 211-216 °C
Index of Refraction: 1.708
Appearance: ochre powder
CAS Registry Number: 3665-51-8
Enthalpy of Vaporization: 70.75 kJ/mol
Boiling Point: 426.4 °C at 760 mmHg
Vapour Pressure: 7.16E-08 mmHg at 25°C
IUPAC Name: 3-hydroxynaphthalene-2-carboxamide
Synonyms: 3-Hydroxy-2-Naphthalenecarboxamide ; 3-Hydroxy-2-naphthamid ; 3-Hydroxy-2-Naphtoamide ; 2-Hydroxy-3-naphthalenecarboxamide ; 3-Hydroxy-2-naphthoylamide ; 3-hydroxynaphthalene-2-carboxamide |
Following is the molecular structure of 3-Hydroxy-2-Naphtoamide (CAS NO.3665-51-8):

Uses

3-Hydroxy-2-Naphtoamide (CAS NO.3665-51-8) is used as a medicine, high-grade organic pigments, automotive paints, as well as dedicated an important intermediate of dye.

Toxicity Data With Reference

ipr-rat LD50:2000 mg/kg

JPETAB Journal of Pharmacology and Experimental Therapeutics. 108 (1953),450.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO_x.
Safety Information of 3-Hydroxy-2-Naphtoamide (CAS NO.3665-51-8):
Hazard Codes: Xi Irritant
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 37/39-26
S37/39: Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.