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HomeProduct name list1-Naphthoic acid

1-Naphthoic acid

Synonym(s):1-Naphthalenecarboxylic acid

  • CAS NO.:86-55-5
  • Empirical Formula: C11H8O2
  • Molecular Weight: 172.18
  • MDL number: MFCD00004007
  • EINECS: 201-681-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
1-Naphthoic acid Structural

What is 1-Naphthoic acid?

Chemical properties

Off-white to beige powder

The Uses of 1-Naphthoic acid

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.

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.]

Properties of 1-Naphthoic acid

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  Solubility Slightly soluble in hot water; freely soluble in hot ethanol, ether
pka 3.7(at 25℃)
form  Powder
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
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)

Safety information for 1-Naphthoic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H303:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 1-Naphthoic acid

InChIKey LNETULKMXZVUST-UHFFFAOYSA-N

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