Merck 106223 0050 Naphtol Gr For Analysis 50 GR.

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Description
Catalogue Number	106223
Synonyms	1-Hydroxynaphthalene
Description	1-Naphthol

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Product Information
CAS number	90-15-3
EC index number	604-029-00-5
EC number	201-969-4
Hill Formula	C₁₀H₈O
Chemical formula	C₁₀H₇OH
Molar Mass	144.17 g/mol
HS Code	2907 15 10
Structure formula Image
Quality Level	MQ100

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Physicochemical Information
Boiling point	288 °C (1013 hPa)
Density	1.28 g/cm3 (20 °C)
Flash point	125 °C
Ignition temperature	510 °C
Melting Point	95 - 96 °C
Vapor pressure	2.3 hPa (100 °C)
Bulk density	450 kg/m3
Solubility	0.1 g/l

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Toxicological Information
LD 50 oral	LD50 Rat 1870 mg/kg
LD 50 dermal	LD50 Rabbit 880 mg/kg

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n\n\n
Hazard Statement(s)	H302: Harmful if swallowed.\nH311: Toxic in contact with skin.\nH315: Causes skin irritation.\nH317: May cause an allergic skin reaction.\nH318: Causes serious eye damage.\nH335: May cause respiratory irritation.\nH371: May cause damage to organs if swallowed.\nH410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P273: Avoid release to the environment.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.\nP302 + P352 + P312: IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.\nP305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\nP308 + P311: IF exposed or concerned: Call a POISON CENTER/doctor.
Signal Word	Danger
RTECS	QL2800000
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 1 slightly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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Safety Information
Categories of danger	harmful, irritant

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Storage and Shipping Information
Storage	Store below +30°C.

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Transport Information
Declaration (railroad and road) ADR, RID	UN 2811 , 6.1, I
Declaration (transport by air) IATA-DGR	UN 2811 , 6.1, I
Declaration (transport by sea) IMDG-Code	UN 2811 , 6.1, I

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Specifications
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 %