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Manganese tetroxide (as Mn)

Synonyms & Trade Names
Manganese oxide, Manganomanganic oxide, Trimanganese tetraoxide, Trimanganese tetroxide
CAS No.
1317-35-7
RTECS No.
OP0895000
DOT ID & Guide
Formula
Mn3O4
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: See Appendix D
OSHA PEL
†: C 5 mg/m3
Measurement Methods

NIOSH 7300 , 7301 , 7303 , 9102;
OSHA ID121 , ID125G
See: NMAM or OSHA Methods
Physical Description
Brownish-black powder. [Note: Fumes are generated whenever manganese oxides are heated strongly in air.]
MW:
228.8
BP:
?		 MLT: 2847°F
Sol:
Insoluble
VP:
0 mmHg (approx)
IP:
NA
Sp.Gr:
4.88
Fl.P:
NA
UEL:
NA
LEL:
NA
Incompatibilities & Reactivities
Soluble in hydrochloric acid (liberates chlorine gas)
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
Asthenia, insomnia, mental confusion; low-back pain; vomiting; malaise (vague feeling of discomfort), lassitude (weakness, exhaustion); kidney damage; pneumonitis
Target Organs
respiratory system, central nervous system, blood, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: Daily
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1398
 

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