ChemicalBook > CAS DataBase List > 1-Naphthoic acid

1-Naphthoic acid

Product Name
1-Naphthoic acid
CAS No.
86-55-5
Chemical Name
1-Naphthoic acid
Synonyms
NAPHTHALENE-1-CARBOXYLIC ACID;1-NAPHTHALENECARBOXYLIC ACID;NSC 37569;1-naphthoic;1-phthoic acid;1-Naphthoesure;1-NAPTHOIC ACID;1-Naphtoic Acid;a-naphthoic acid;1-NAPHTHOIC ACID
CBNumber
CB6475509
Molecular Formula
C11H8O2
Formula Weight
172.18
MOL File
86-55-5.mol
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1-Naphthoic acid Property

Melting point:
157-160 °C (lit.)
Boiling point:
300 °C (lit.)
Density 
1.398
refractive index 
1.4600 (estimate)
Flash point:
195°C
storage temp. 
Sealed in dry,Room Temperature
solubility 
Slightly soluble in hot water; freely soluble in hot ethanol, ether
form 
Powder
pka
3.7(at 25℃)
color 
Slightly yellow to brown
Specific Gravity
1.398
PH Range
Non& uorescence (2.5) to blue & uorescence (3.5)
Water Solubility 
Freely soluble in hot alcohol and ether. Slightly soluble in hot water.
λmax
293nm
Merck 
14,6381
BRN 
1908896
Stability:
Stable. Incompatible with strong bases, strong oxidizing agents.
Major Application
Photoresists, recording materials, waveguides, battery, ink, rubber, plastic films, agriculture, cosmetics, Sunscreen, method for preserving food, drugs, biosensors
InChIKey
LNETULKMXZVUST-UHFFFAOYSA-N
CAS DataBase Reference
86-55-5(CAS DataBase Reference)
NIST Chemistry Reference
1-Naphthalenecarboxylic acid(86-55-5)
EPA Substance Registry System
1-Naphthalenecarboxylic acid (86-55-5)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-24/25-37
WGK Germany 
2
RTECS 
QL0960000
TSCA 
Yes
HS Code 
29163900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H303May be harmfulif swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
N1909
Product name
1-Naphthoic acid
Purity
96%
Packaging
25g
Price
$41.9
Updated
2025/07/31
TCI Chemical
Product number
N0024
Product name
1-Naphthoic Acid
Purity
>98.0%(T)
Packaging
25g
Price
$47
Updated
2025/07/31
TCI Chemical
Product number
N0024
Product name
1-Naphthoic Acid
Purity
>98.0%(T)
Packaging
500g
Price
$226
Updated
2021/12/16
Cayman Chemical
Product number
11322
Product name
1-Naphthoic Acid
Purity
≥98%
Packaging
25g
Price
$25
Updated
2021/12/16
Cayman Chemical
Product number
11322
Product name
1-Naphthoic Acid
Purity
≥98%
Packaging
50g
Price
$48
Updated
2021/12/16
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1-Naphthoic acid Chemical Properties,Usage,Production

Chemical Properties

Off-white to beige powder

Uses

1-Naphthoic acid is used as an intermediate for the synthesis of pharmaceuticals, photochemicals, plant growth hormones, dyes and other organic compounds.

Definition

ChEBI: 1-naphthoic acid is a naphthoic acid carrying a carboxy group at position 1. It has a role as a fungal xenobiotic metabolite and a bacterial xenobiotic metabolite. It is a conjugate acid of a 1-naphthoate.

Application

1-Naphthoic acid has been used as a novel asymmetric chromophore for exciton-coupled circular dichroism (ECCD), which can be used to induce chirality[1]. 1-Naphthoic acid has also been used as an organic synthesis reactant for the preparation of naphthanones, isocoumarin derivatives, and naphthalene carboxylic acid cellulose. Microcrystalline cellulose (MCC) and cellulose nanofibres (CNFs) were modified by esterification using 1-Naphthoic acid in a toluenesulfonyl chloride/pyridine solvent system to produce fluorophore labelled cellulose. Cellulose modification decreases the degradation temperature and hence the thermal stability of cellulose. After induction of naphthoate side chains, a glass transition temperature (Tg) of about 160 °C was observed. Cellulose naphthalenecarboxylate shows a strong ultraviolet (UV) absorption peak at 282 nm and has good fluorescent properties. Therefore, it can be used for fluorescent coatings, sensors and packaging[2].

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 2, p. 425, 1943
Tetrahedron Letters, 22, p. 1013, 1981 DOI: 10.1016/S0040-4039(01)82853-7

Purification Methods

Crystallise the acid from toluene (3mL/g) (charcoal), pet ether (b 80-100o), or aqueous 50% EtOH. The amide has m 202o (from EtOH). [Beilstein 9 IV 2402.]

References

[1] BIANCA SCHREDER. 1-Naphthoic acid: A new type of asymmetric chromophore for exciton-coupled circular dichroism (ECCD)[J]. Tetrahedron, asymmetry, 1996, 7 6: Pages 1543-1546. DOI:10.1016/0957-4166(96)00176-0.
[2] LEASE J, SAHIN Z M, FARID M A A, et al. Synthesis of Nanocellulose Derivatives through Esterification with Naphthoic Acid as a Fluorescent Additive[J]. ACS Sustainable Chemistry & Engineering, 2024, 343 1. DOI:10.1021/acssuschemeng.4c04206.

1-Naphthoic acid Preparation Products And Raw materials

Raw materials

1-Bromonaphthalene Carbon dioxide

Preparation Products

2-(4-BROMOPHENYL)-5-(1-NAPHTHYL)-1,3,4-OXADIAZOLE TOLRESTAT 2-(1-NAPHTHYL)-5-PHENYL-1,3,4-OXADIAZOLE 2,5-BIS(1-NAPHTHYL)-1,3,4-OXADIAZOLE 1-Naphthylamine 1-Naphthoyl chloride
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1-Naphthoic acid Suppliers

Americas 1 Belgium 3 China 326 Europe 4 France 3 Germany 10 India 16 Italy 2 Japan 7 Slovakia 1 South Korea 1 Switzerland 3 The Netherlands 2 Ukraine 3 United Kingdom 17 United States 44 Global 443
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View Lastest Price from 1-Naphthoic acid manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
1-Naphthoic acid 86-55-5
Price
US $10.00/KG
Min. Order
100KG
Purity
99%
Supply Ability
100 mt
Release date
2024-11-25
Henan Aochuang Chemical Co.,Ltd.
Product
1-Naphthoic acid 86-55-5
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-10-19
Hebei Chuanghai Biotechnology Co,.LTD
Product
1-Naphthoic acid 86-55-5
Price
US $10.70/KG
Min. Order
10KG
Purity
99%
Supply Ability
10000kg
Release date
2024-08-20

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