1-NAPHTHOL

1-NAPHTHOL AR

a-Naphthol, 1-Hydroxynaphthalene

Article No.

04756

Grade

Purity

99%

CAS No.

90-15-3

Molecular Formula

C₁₀H₈O

Molecular Weight

144.17

H.S. Code

2907.1510

Shelf Life

36 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

Physical state at 20 °C

Solid

Colour

Off white to brownish

Odour

Slight phenolic odor

Melting point/ Freezing point [°C]

94 - 96 °C

Flash point [°C]

125 °C

Boiling point [°C]

278 - 280 °C

Initial boiling point [°C]

278°C

Final boiling point [°C]

280 °C

Vapour pressure mm/Hg

1 mm Hg @ 940C

Vapour density

4.5

Solubility in water [% weight]

Practically insoluble in water

Partition coefficient Log Pow octanol / water at 20°C

2.85

Explosion limits - upper [%]

Explosion limits -lower [%]

0.80%

Packings

100 g (00100)
500 g (00500)

Specifications

Appearance	Off-white to brownish flakes
Purity (by GC)	Min 99%
Melting point	95 - 97 deg C
Insoluble matter in methanol	Max 0.01%
Iron (Fe)	Max 0.001%
Chloride (Cl)	Max 0.005%
Heavy metal (as Pb)	Max 0.001%
2-Naphthol	Max 0.2%
Naphthalene	Max 0.2%
Water (H2O)	Max 0.2%
Sulphated ash	Max 0.01%

Safety Information and Hazard Symbols

Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 2811
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H302-H312-H315-H318-H335
Precaution Statement: P261-P280-P305 + P351 + P338

Revision Date : 15-Dec-2021

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