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Certificate of Analysis

Naphthalene, 99.6%

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


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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