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8.04597 EMD Millipore

3-Hydroxy-naphthalene-2-carboxylic acid

3-Hydroxy-naphthalene-2-carboxylic acid for synthesis. CAS 92-70-6, molar mass 188.18 g/mol., for synthesis

Synonym: ß-Hydroxynaphthoic acid, 3-Hydroxy-2-naphthoic acid

  • CAS Number 92-70-6

  • Linear Formula C₁₁H₈O₃

  • Molecular Weight 188.18 g/mol

  •  EC Number 202-180-8

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Properties

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packaging   250 g in Glass bottle (8045970250)
solubility   0.072 g/l practically insoluble
density   1.43 g/cm3 (23 °C)
mp   217 - 220 °C
bulk density   700 kg/m3
LD 50 oral   LD50 Rat 832 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 96.0 %
  Melting range (lower value): ≥ 217 °C
  Melting range (upper value): ≤ 220 °C
  Identity (IR): passes test

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Safety & Documentation

Safety Information

HS Code 
2918 29 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H318: Causes serious eye damage.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear eye protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P313: Get medical advice/ attention.
RTECS 
QL1755000
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 2 water endangering
Disposal 
4
Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, irritant
R Phrase 
R 22-41-52/53
Harmful if swallowed.Risk of serious damage to eyes.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 26-39-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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