1.06223

1-Naphthol

GR for analysis

• Synonym(s): 1-Naphthol, 1-Hydroxynaphthalene
• Empirical Formula (Hill Notation): C₁₀H₈O
• CAS Number: 90-15-3
• Molecular Weight: 144.17
• MDL number: MFCD00003930
• UNSPSC Code: 12352104
• EC Index Number: 201-969-4
• NACRES: NA.21

Properties

• vapor pressure: 1.3 hPa ( 94 °C)
• Quality Level: 100
• Assay: ≥99% (GC)
• form: solid
• autoignition temp.: 510 °C
• potency: 1870 mg/kg LD₅₀, oral (Rat); 880 mg/kg LD₅₀, skin (Rabbit)
• bp: 288 °C/1013 hPa
• mp: 94-96 °C
• transition temp: flash point 125 °C
• solubility: 0.1 g/L
• density: 1.28 g/cm³ at 20 °C
• bulk density: 450 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C10H8O/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-7,11H
• InChI key: KJCVRFUGPWSIIH-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
2-Naphthol (GC, area%): ≤ 0.20 % (a/a)
Naphthalene (GC, area%): ≤ 0.20 % (a/a)
Melting range (lower value): ≥ 95 °C
Melting range (upper value): ≤ 97 °C
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
Chloride (Cl): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
Iron (Fe): ≤ 0.001 %
Sulfated ash: ≤ 0.05 %

Safety Information

• Pictograms: GHS05,GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H302 - H311 - H315 - H317 - H318 - H335 - H371 - H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 - P308 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1A - STOT SE 2 Oral - STOT SE 3
• Target Organs: Kidney, Respiratory system
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): 257.0 °F - closed cup
• Flash Point(C): 125 °C - closed cup