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33347 91-20-3 Naphthalene, 99.6% Alfa Aesar


Certificate of Analysis

Naphthalene, 99.6%

CAS: 91-20-3 MDL: MFCD00001742  EINECS: 202-049-5
UN#:UN1334Hazard Class:4.1Packing Group:III


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
50g 22.20 Check Availability Add to Favorites Enter qty and click checkbox
500g 61.00 Check Availability Add to Favorites Enter qty and click checkbox
2kg 174.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C10H8  Flash point: 78°(172°F)
Formula weight: 128.17  Density: 0.9628
Form: Crystalline Refractive Index: 1.5821
Melting point: 80-82° Solubility: Soluble in benzene, toluene, chloroform, CS2, ether. Insoluble in water
Boiling point: 218° 


Formerly important in dyestuff manufacture. As a precursor to phthalic anhydride

Other References

Merck: 14,6370
Beilstein: 1421310
UN#: UN1334
Harmonized Tariff Code: 2902.90

GHS Hazard and Precautionary Statements

Hazard Statements : H228-H351-H400-H410-H302

Flammable solid. Suspected of causing cancer. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects. Harmful if swallowed.

Precautionary Statements : P210-P280-P281-P301+P312-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

FlammableHarmful or IrritantHealth HazardDangerous for the environment

Risk & Safety

Risk Phrases: 11-22-40-50/53
Flammable. Harmful if swallowed. Possible risk of irreversible effects. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 36/37-46-60-61
Wear suitable protective clothing and gloves. If swallowed seek medical advice immediately and show this container or label. This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets
Harmful Highly Flammable Dangerous for the environment
RTECS: QJ0525000