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Zinc stearate

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Synonyms & Trade Names
Dibasic zinc stearate, Zinc distearate, Zinc salt of stearic acid
CAS No.
557-05-1
RTECS No.
ZH5200000
DOT ID & Guide
Formula
Zn(C₁₈H₃₅O₂)₂
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
OSHA PEL
TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) See Appendix G
Measurement Methods
NIOSH 0500 , 0600
See: NMAM or OSHA Methods
Physical Description
Soft, white powder with a slight, characteristic odor.
Molecular Weight
632.4
Boiling Point
?
Melting Point
266°F
Solubility
Insoluble
Vapor Pressure
0 mmHg (approx)
Ionization Potential
NA
Specific Gravity
1.10
Flash Point
(oc) 530°F
Upper Explosive Limit
?
Lower Explosive Limit
?
Minimum Explosive Concentration
20 g/m3
Combustible Solid
Incompatibilities & Reactivities
Oxidizers, dilute acids [Note: Hydrophobic (i.e., repels water).]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, upper respiratory system; cough
Target Organs
Eyes, skin, respiratory system
Personal Protection/Sanitation
(See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Fresh air
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0987
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health