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Zinc distearate(557-05-1)

Zinc distearate(557-05-1)
Product IdentificationBack to Contents
【Product Name】

Zinc distearate
【Synonyms】

Dermarone
Metallac
Octadecanoic acid, zinc salt
【CAS】

557-05-1
【Formula】

2C18H35O2Zn
【Molecular Weight】

632.34
【EINECS】

209-151-9
【RTECS】

ZH5200000
【RTECS Class】

Other
【Merck】

12,10292
【Beilstein/Gmelin】

3919706
【Beilstein Reference】

4-02-00-01206
Physical and Chemical PropertiesBack to Contents
【Appearance】

White powder free from grit. Faint odor.
【Solubility in water】

Insoluble
【Melting Point】

140
【Density】

1.095 g/cm3 (20 C)
【Usage】

Dusting powder.
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid if irritation or symptoms occur.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】

Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Keep away from heat and flame. Store in a cool, dry place. Keep containers tightly closed.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】

Inhalation of fumes may cause metal fume fever, which is characterized by flu-like symptoms with metallic taste, fever, chills, cough, weakness, chest pain, muscle pain and increased white blood cell count. May cause respiratory tract irritation.
【Skin】

Dust may cause mechanical irritation.
【Eyes】

Dust may cause mechanical irritation.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure limit(s)】

TLV: ppm; 10 mg/m3 (ACGIH 1992-1993). OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
【Poison Class】

4
Fire Fighting MeasuresBack to Contents
【Flash Point】

355 (open cup)
【Autoignition】

420
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Material will burn in a fire. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Dilute acids, oxidizing materials.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Carbon monoxide, carbon dioxide, toxic fumes of zinc oxide.
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