3-Hydroxy-2-naphthoic acid

Modify Date: 2025-08-22 00:35:51

3-Hydroxy-2-naphthoic acid Structure
3-Hydroxy-2-naphthoic acid structure
 Common Name 3-Hydroxy-2-naphthoic acid
CAS Number 92-70-6 Molecular Weight 188.179
Density 1.4±0.1 g/cm3 Boiling Point 367.7±25.0 °C at 760 mmHg
Molecular Formula C11H8O3 Melting Point 218-221 °C(lit.)
MSDS Chinese USA Flash Point 190.4±19.7 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 3-Hydroxy-2-naphthoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 367.7±25.0 °C at 760 mmHg
Melting Point 218-221 °C(lit.)
Molecular Formula C11H8O3
Molecular Weight 188.179
Flash Point 190.4±19.7 °C
Exact Mass 188.047348
PSA 57.53000
LogP 3.29
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.716
InChIKey ALKYHXVLJMQRLQ-UHFFFAOYSA-N
SMILES O=C(O)c1cc2ccccc2cc1O
Water Solubility PRACTICALLY INSOLUBLE

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QL1755000
CHEMICAL NAME :
2-Naphthoic acid, 3-hydroxy-
CAS REGISTRY NUMBER :
92-70-6
BEILSTEIN REFERENCE NO. :
0744100
LAST UPDATED :
199710
DATA ITEMS CITED :
12
MOLECULAR FORMULA :
C11-H8-O3
MOLECULAR WEIGHT :
188.19
WISWESSER LINE NOTATION :
L66J CQ DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
832 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533749
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533574
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
376 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 176,193,1968
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,663,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - ataxia
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533574
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
783 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533574
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533574 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83636 No. of Facilities: 49 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 1414 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83636 No. of Facilities: 27 (estimated) No. of Industries: 2 No. of Occupations: 17 No. of Employees: 1639 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS QL1755000
HS Code 29182910

 Synthetic Route

 Customs

HS Code 2918290000
Summary HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

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 Synonyms

3-Hydroxy-2-naphthoic acid
3-hydroxynaphthalene-2-carboxylic acid
EINECS 202-180-8
MFCD00004103
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