Applications

It can be used for the production of phthalic anhydride,methyl naphthylamine, dye intermediates, 1-naphthol and 2-naphthol, H-acid,production increasing agent, synthetic resin, rubber chemicals, pesticides,plastic etc., mainly used for pharmaceuticals, dyes, and other industries.

Properties

The appearance of this product is flake crystal withluster, easily sublimation at room temperature, insoluble in water, soluble inether, ethanol, and benzene and so on. It is inflammable solid, strictlyprohibit any ignition.

Physical properties

Excellent grade

Appearance

             Snow white with flakes

Crystallization Point，℃

≥79.8℃

Non-volatile matter， %

≤0.02

Ash，%

≤0.006

Purity

≥99.3 %

Packaging,transport and storage

(1) RN is available in25kg film-lined bags. Other specialpackage can also be available according to prior consultation.

(2) Special measures should be taken to ensure entirepackage. Keep waterproof during transportation.

(3) Dry and well ventilated warehouse is needed forstorage. Isolate from any source of heat or ignition, avoid direct sunlight. Separatestorage with edible chemical, oxidizers, nitric acid.

Health and safety

Strong Irritation effects, Very high exposures may causehemolytic anemia, liver and kidney damage.
  Acute poisoning: Inhalation ofdust or vapors may cause irritation to skin, eyes and respiratory tract, andcause corneal opacity, headache, nausea, vomiting, poor appetite, lumbago andproteinuria. Severe cases may cause liver damage and toxic encephalopathy.Ingestion toxic predominant reaction is delayed intravascular hemolysis andkidney or liver damage, even may cause renal failure and acute Liver Necrosis.

Chronic poisoning: Frequently expose to dust or vapors may cause headache, nausea,vomiting, blood system damage and may lead to cataract formation in eyes. Canirritate the skin and, may cause rashes and allergy.

(1) Once splashed into eyes, lifting eyelid, washimmediately with plenty of water or physiological saline and seek medicaltreatment.

(2)Once splashed into skin, Remove contaminated clothing,wash skin thoroughly with suds or plenty of water and seek medicaltreatment immediately.

(3)Inhalation.Remove to fresh air. If not breathing, giveartificial respiration. If breathing was difficult, give oxygen, and seekmedical treatment immediately.

(4)Inedible. When eating by mistake, drink sufficientwater to urge to vomiting, and then go to hospital.

(5) No littering. Caution should be taken to protectenvironment.

FireFighting Measures

Once meets fire or high fever to be inflammable. Fire mayproduce irritating or poisonous gases. Contact with strong oxidizers such asanhydride chromate, chlorate or potassium permanganate will bring intensivereaction lead to explosion or burning. Dust blend into air may form explosionmixture, and may explosive within flammable limits.

Using Carbon dioxide, water spray and sand for fireextinguish. Foam or direct water on molten naphthalene may cause extensivefire.

AccidentalRelease Measures

Isolate the contaminated area, Remove all sources offlame. Strongly recommend that an air-supplied respirator should be worn andput on ordinary dungaree. Don’t directly contact with leakage.

A small amount of leakage: Clean up leakage with non-sparking tool and equipment in a manner thatdoes not disperse the dust into air. Reduce airborne dust and preventscattering by moistening with water. Pick up spill for recovery or disposal andplace in a closed container.

A large number of leakages: Covered the leakage with canvas or plastic sheeting and reduceddispersion. Collected or recovered with non sparking tool and equipment, orTransported to the dump and carried out harmless treatment.