3-Hydroxy-2-naphthoic acid
- Product Name
- 3-Hydroxy-2-naphthoic acid
- CAS No.
- 92-70-6
- Chemical Name
- 3-Hydroxy-2-naphthoic acid
- Synonyms
- BON ACID;BON;BONA;2-HYDROXY-3-NAPHTHOIC ACID;3-hydroxy-2-naphthoicaci;developer8;naphtholbon;developerbon;cideveloper20;Developer BON
- CBNumber
- CB4334794
- Molecular Formula
- C11H8O3
- Formula Weight
- 188.18
- MOL File
- 92-70-6.mol
3-Hydroxy-2-naphthoic acid Property
- Melting point:
- 218-221 °C(lit.)
- Boiling point:
- 283.17°C (rough estimate)
- Density
- 1.43 g/cm3 (23℃)
- refractive index
- 1.7160 (estimate)
- Flash point:
- >150°C
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- 0.072g/l practically insoluble
- pka
- 3.02±0.30(Predicted)
- form
- Fine Crystalline Powder
- color
- Yellow to beige-brown
- Water Solubility
- PRACTICALLY INSOLUBLE
- λmax
- 395nm(H2O (pH 3.5))(lit.)
- Merck
- 14,4835
- BRN
- 744100
- CAS DataBase Reference
- 92-70-6(CAS DataBase Reference)
- NIST Chemistry Reference
- 2-Naphthalenecarboxylic acid, 3-hydroxy-(92-70-6)
- EPA Substance Registry System
- 3-Hydroxy-2-naphthoic acid (92-70-6)
Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 22-36-36/37/38
- Safety Statements
- 26-37/39
- WGK Germany
- 1
- RTECS
- QL1755000
- TSCA
- Yes
- HS Code
- 29182910
- Hazardous Substances Data
- 92-70-6(Hazardous Substances Data)
- Toxicity
- The acute oral LD50 of 3-Hydroxy-2-naphthoic acid in rats was 823-1040 mg/kg bw.
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H318Causes serious eye damage
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- H46007
- Product name
- 3-Hydroxy-2-naphthoic acid
- Purity
- 98%
- Packaging
- 100g
- Price
- $63.3
- Updated
- 2024/03/01
- Product number
- CB_94071429
- Product name
- BON-CT human cell line
- Purity
- 94071429, IHW Number: 9290
- Packaging
- 94071429-DNA-5UG
- Price
- $390
- Updated
- 2024/03/01
- Product number
- CB_94071429
- Product name
- BON-CT human cell line
- Purity
- 94071429, IHW Number: 9290
- Packaging
- 1VIAL
- Price
- $546
- Updated
- 2024/03/01
- Product number
- 1148238
- Product name
- Color Related Compound 005
- Purity
- United States Pharmacopeia (USP) Reference Standard
- Packaging
- 20mg
- Price
- $210
- Updated
- 2024/03/01
- Product number
- H0281
- Product name
- 3-Hydroxy-2-naphthoic Acid
- Purity
- >98.0%(HPLC)(T)
- Packaging
- 25g
- Price
- $18
- Updated
- 2024/03/01
3-Hydroxy-2-naphthoic acid Chemical Properties,Usage,Production
Chemical Properties
yellow to beige-brown fine crystalline powder. 3 -Hydroxy-2-naphthoic acid [92-70-6], BON acid, C11H8O3, Mr 188.17, mp 222℃, forms pale yellow crystals from aqueous ethanol. Alkaline solutions have a green fluorescence. Aqueous ferric chloride produces a blue color, and warming with CHCl3– NaOH results in a green color. Oxidation with alkaline permanganate gives 2-carboxyphenylglyoxylic acid and then phthalic acid. Dry distillation produces dibenzoxanthone. Bromination gives the 4,7-dibromo derivative; nitration, the 4-nitro derivative; and sulfonation with oleum, the 5,7-disulfonic acid derivative.
Uses
3-Hydroxy-2-naphthoic acid is mainly used as intermediate for the production of dyes and pigments. Further uses are as intermediate for insecticides and pharmaceuticals (ECB, 2000).
Uses
2-hydroxy-3-naphthoic acid (BON) is coupled with diazo compounds and their calcium salts are bright red bleed resistance pigments. The somewhat higher cost manganese salt shows better exterior durability than the calcium or barium salts. The BON red pigments are characterized by an extremely high degree of color stability, resistance to acids and alkalies and are nontoxic.
Definition
ChEBI: 3-Hydroxy-2-naphthoate is a naphthoic acid.
Preparation
3 -Hydroxy-2-naphthoic acid is invariably by the Kolbe – Schmitt reaction of carbon dioxide with the dried sodium salt of 2-naphthol at 220 – 260℃. Many improvements in both process and equipment have been developed. The main problems are removal of the 50 % unreacted 2-naphthol and avoidance of a tarry byproduct. Yields of 80 % based on the amount of 2-naphthol consumed are possible despite the low conversion.
Hazard
Irritant.
Purification Methods
Crystallise it from water or acetic acid. The S-benzyisothiuronium salt has m 216-217o (from EtOH). It forms many metal complex salts. [Beilstein 10 H 333, 10 III 1084.]
3-Hydroxy-2-naphthoic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3-Hydroxy-2-naphthoic acid manufacturers
- Product
- 3-Hydroxy-2-naphthoic acid 92-70-6
- Price
- US $6.00/KG
- Min. Order
- 1KG
- Purity
- More than 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-04-02
- Product
- 3-Hydroxy-2-naphthoic acid 92-70-6
- Price
- US $6.00-3.00/KG
- Min. Order
- 1KG
- Purity
- More than 99%
- Supply Ability
- 20000kg
- Release date
- 2024-04-03
- Product
- 3-Hydroxy-2-naphthoic acid 92-70-6
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 1000000
- Release date
- 2024-01-05