English En

2-Naphthol, for analysis, ExpertQ®

- Synonyms: 2-Hydroxynaphthalene
- C10H8O
- M = 144,17 g/mol
- CAS [135-19-3]
- EINECS-No.: 205-182-7
- Solub. in water: (20 ºC): 1 g/l
- Melting point: 121,6 ºC
- Boiling point: 285 ºC
- Flash pt. 153 ºC
- Vapour pressure: (30 ºC) < 0,1 hPa
- LD 50 (oral, rat): 1960 mg/kg
- EC-Index-No.: 604-007-00-5
- ADR: 9 M7 III UN 3077
- IMDG: 9 III UN 3077
- IATA/ICAO: 9 III UN 3077
- GHS-signal word: Warning
- GHS-H sentences: H400 - H302 - H332
- GHS-P sentences: P261 - P273 - P264 - P301+P312 - P304+P340 - P501a
- Tariff number: 2907 15 90 00
- Applications: analytical chemistry, for pharmaceutical use, manufacture of dyes, perfumery, in the rubber industry.

SPECIFICATIONS
assay (G.C.): min. 99 %
identity (IR-spectrum): passes test
appearance of solution: passes test
chlorides (Cl): max. 0,005 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,001 %
naphthalene (G.C.): max. 0,1 %
1-naphthol (G.C.): max. 0,1 %
residue on ignition: max. 0,05 %
water (K.F.): max. 0,2 %