ChemicalBook > CAS DataBase List > 1-Naphthol

1-Naphthol

Product Name:
1-Naphthol
CAS No.
90-15-3
Chemical Name:
1-Naphthol
CBNumber:
CB0279325
Molecular Formula:
C10H8O
Formula Weight:
144.17
MOL File:
90-15-3.mol
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1-Naphthol Property

Melting point:
94-96 °C(lit.)
Boiling point:
278-280 °C(lit.)
Density 
1.224
vapor density 
4.5 (120 °C, vs air)
vapor pressure 
1 mm Hg ( 94 °C)
refractive index 
1.6224
Flash point:
125 °C
storage temp. 
Store in dark!
solubility 
Soluble in benzene, chloroform, ether and ethanol.
form 
Crystalline Flakes
pka
9.34(at 25℃)
color 
white to off-white
explosive limit
5%
Water Solubility 
436.7mg/L(25 ºC)
λmax
324nm(MeOH)(lit.)
Sensitive 
Air & Light Sensitive
Merck 
14,6383
BRN 
1817321
Stability:
Stable, but air and light sensitive - store under inert gas. Incompatible with strong bases, strong oxidizing agents.
InChIKey
KJCVRFUGPWSIIH-UHFFFAOYSA-N
CAS DataBase Reference
90-15-3(CAS DataBase Reference)
NIST Chemistry Reference
1-Naphthalenol(90-15-3)
EPA Substance Registry System
1-Naphthol (90-15-3)
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Safety

Hazard Codes 
Xn,N
Risk Statements 
21/22-37/38-41-51/53
Safety Statements 
22-26-37/39-2-61
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
1
RTECS 
QL2800000
8-23
Autoignition Temperature
510 °C
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
III
HS Code 
29071510
Hazardous Substances Data
90-15-3(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1870 mg/kg LD50 dermal Rabbit 880 mg/kg
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N-Bromosuccinimide Price More Price(20)

Sigma-Aldrich Gold
Product number:
33420
Product name :
1-Naphthol
Purity:
puriss. p.a., Reag. Ph. Eur., ≥99% (GC)
Packaging:
100g-r
Price:
$121
Updated:
2019/12/02
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Sigma-Aldrich Gold
Product number:
31097
Product name :
1-Naphthol
Purity:
PESTANAL , analytical standard
Packaging:
1g
Price:
$32.6
Updated:
2019/12/02
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TCI Chemical Gold
Product number:
N0026
Product name :
1-Naphthol
Purity:
>99.0%(GC)
Packaging:
25g
Price:
$24
Updated:
2019/12/02
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TCI Chemical Gold
Product number:
N0026
Product name :
1-Naphthol
Purity:
>99.0%(GC)
Packaging:
100g
Price:
$60
Updated:
2019/12/02
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Alfa Aesar Gold
Product number:
A11862
Product name :
1-Naphthol, 99%
Packaging:
500g
Price:
$62.4
Updated:
2019/12/02
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1-Naphthol Chemical Properties,Usage,Production

Chemical Properties

Pale grey to brown solid

Uses

Used in the manufacturing of dyes, intermediates, synthetic perfumes.

Definition

ChEBI: A naphthol carrying a hydroxy group at position 1.

Hazard

Toxic by ingestion and skin absorption.

Contact allergens

Alpha-naphthol can be used in dye manufacture and is classified as a hair dye. Combined with epichlorhydrin and NaOH to form alpha-naphthyl glycidyl ether, it caused sensitization in one of three workers in a chemical plant.

Safety Profile

Poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. An experimental teratogen. Experimental reproductive effects. A severe eye and skin irritant. Mutation data reported. Ingestion of large amounts can cause nephritis, vomiting, diarrhea, circulatory collapse, anemia, convulsions, and death. Can cause kidney irritation and injury to cornea and lens of the eye. Combustible when exposed to heat or flame. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Sublime 1-naphthol, then crystallise it from aqueous MeOH (charcoal), aqueous 25% or 50% EtOH, *C6H6, cyclohexane, heptane, CCl4 or H2O. Dry it over P2O5 in vacuo. The 4-nitrobenzoate has m 143o (from EtOH). [Shizuka et al. J Am Chem Soc 107 7816 1985, Beilstein 8 H 596, 6 IV 4208.]

1-Naphthol Preparation Products And Raw materials Raw materials

Raw materials

Preparation Products

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1-Naphthol Suppliers

Global(408)Suppliers
Wuxi Zhangkun Biochemical Technology Co., Ltd.
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Alfa Aesar
Tel:
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021-67582001/03/05
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TCI (Shanghai) Development Co., Ltd.
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Beijing dtftchem Technology Co., Ltd.
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