1. IDENTIFICATION

Company: BEST INC., LIMITED.

Add.: Rooms 1318-20, 13/F Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong

Tel: +852-30774337       Fax:+852-30774338

Product Name : ZINC OXIDE

Other Names : CHINESE WHITE ; ZINC WHITE FLOWERS OF ZINC

UN No. : N/A

Dangerous Goods Class : None Allocated

Subsidiary Risk : None Allocated

Hazchem Code : N/A

Pack Group : 0

EPG : N/A

Poisons Schedule : N/A

Uses :

Accelerator activator, pigment and reinforcing agent in rubber, ointments, pigment and mould-growth inhibitor in paints, UV absorber in plastics, ceramics, floor tile, glass, zinc salts, feed additive, dietary supplement, seed treatment cosmetics, photoconductor in office copying machines and in colour photography, piezoelectric devices, artists' colourant.

1.1 Physical Description / Properties

Appearance : White to yellowish- white amorphous powder, odourless.

Formula : ZnO

Boiling Point : N/A deg C

Melting Point : 1975 deg C

Vapour Pressure : 12 mm Hg (1 atmosphere)

Specific Gravity : 5.67 (water = 1)

Flash Point : N/A

pH : N/A ()

Solubility in water : Insol g/l (25 deg C)

Flammability Limits (as percentage volume in air)

Lower Explosion Limit : N/A

Upper Explosion Limit : N/A

1.2 Other Properties

Solubility in water - Insoluble in water and alcohol. Soluble in dilute acids. Boiling point = Sublimes.

1.3 Ingredients

Chemical Entity	CAS No.	Proportions (%)
ZINC OXIDE	[ 1314-13-2]	99-100

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2. HEALTH HAZARD INFORMATION

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Swallowed

Large doses may cause irritation to the gastrointestinal tract.

Eye

Irritation resulting from loose foreign body.

Skin

Not expected to be a health hazard from skin exposure.

Inhaled

May cause irritation to the respiratory tract. Symptoms may include coughing and shortness of breath. Inhalation can cause flu-like illness (metal fume fever). This 24 to 48 hours illness is characterised bu shills, fever, aching muscles, dryness in the mouth and throat and headache.

Aggravation of Pre-existing conditions - Persons with pre-existing heart conditions or impaired respiratory function may be more susceptable to the effects of this substance.

Not expected to require first aid measures. If large amounts were swallowed, give water to drink and get medical advice.

Not expected to require first aid measures. Wash eye thoroughly with running water. Get medical advice if irritation develops.

Not expected to require first aid measures. Wash exposed area with soap and water. Get medical advice if irritation develops.

Remove to fresh air. Get medical attention for any breathing difficulty.

Ensure an eye bath and safety shower are available and ready for use.

Treat symptomatically based on judgement of doctor and individual reactions of patient.

Investigated as a mutagen and reproductuve effector. Carcinogenicity - None (IARC Category)

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3. PRECAUTIONS FOR USE

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Zinc oxide : OSHA Permissible Exposure Limit (PEL) : fume = 5 mg/m3 (TWA) Respirable fraction = 5 mg/m3 (TWA) Total dusts = 15 mg/m3 (TWA) : ACGIH Threshold Limit Value (TLV) : dusts = 10 mg/m3 (TWA), for inhalable (total) particulate matter containing no asbestos and < 1% crystalline silica. : fumes = 5 mg/m3 (TWA); 10 mg/m3 (STEL)

A system of local and/or general exhaust is recommended to keep employee exposures below Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.

Respiratpry protection - If the exposure limit is exceeded, a half-face dust/ mist respirator may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. A full-face piece dust/mist respirator may be worn up to 50 times the exposure limit, or the maximum use concentration specified by the appropriate regulatory agency, or respirator supplier, which- ever is lowest. For emergencies or instances where the exposure levels are not known, use a full face-piece positive-pressure, air-supplied respirator. WARNING - Air-purifying respirators do not protect workers in oxygen-deficient atmospheres. Skin protection - Wear protective gloves and clean body-covering clothing. Eye protection - Use chemical safety goggles.

Non-flammable

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SAFE HANDLING INFORMATION

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Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances such as heat, chlorinated rubber, magnesium and linseed oil. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.

UN No. N/A

Class None Allocated

Sub Risk None Allocated

Hazchem Code N/A

Pack Group 0

EPG No. N/A

Shipping Name ZINC OXIDE

Hazard

Clean up personnel should wear protective clothing and respiratory protection in dusty environments.

Ventilate area of leak or spill. Sweep up and containerise for reclamation or disposal. Vacuuming or wet sweeping may be used to avoid dust dispersal.

Whatever cannot be save for recovery should be managed in an appropriate and apporved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.

Fire / Explosion

Not considiered to be a fire hazard. Finely divide powder presents an explosion hazard. When heated to high temperatures, zinc oxide sublimes to produce toxic fumes. Has exploded when mixed with chlorinated rubber. Reacts violently with magnesium, linseed oil. Zinc oxide and magnesium canreact explosively when heated.

In the event of a fire, wear full protective clothing and NIOSH approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode. Zinc oxide fume may be released when heated. Use any means suitable for extinguishing surrounding fire.