| CAS
NO |
1313-13-9 |
| FORMULA |
MnO2 |
| MOL
WT. |
86.94 |
|
H.S.
CODE
|
2820.10 |
| TOXICITY |
LD50 oral rat : 3478 mg/kg. |
| SYNONYMS |
Manganese
(IV) oxide; Manganese Black; Pyrolusite |
| Black Dioxide; Manganese oxide;
Manganese (IV) dioxide; Manganese Peroxide; |
| RAW
MATERIALS |
|
|
CLASSIFICATION
|
|
|
PHYSICAL AND CHEMICAL PROPERTIES
|
| PHYSICAL
STATE |
Gray lumps or black to brownish-black powder |
| MELTING POINT |
1539
C |
| BOILING
POINT |
|
| SPECIFIC GRAVITY |
5.0 |
| SOLUBILITY |
Insoluble |
| pH |
9
- 10 (10% aqueous slurry) |
| NFPA RATING |
Health: 2 Flammability: 0 Reactivity: 1 |
| VAPOR DENSITY |
|
| FLASH
POINT |
|
| STABILITY |
Stable under ordinary conditions |
|
APPLICATIONS
|
|
Used as a chemical oxidant in organic synthesis.
It
is used in electric dry cells as the cathode material |
| SALES
SPECIFICATION |
|
APPEARANCE
|
black to brownish-black powder |
| PURITY |
91.0%
min |
| Fe |
0.05%
max |
|
Pb |
0.2%
max |
|
Cu |
0.0001%
max |
|
PARTICLE
SIZE |
200mesh
|
| TRANSPORTATION |
| PACKING |
25kgs,
50kgs
and 1mt in Bag |
| HAZARD CLASS |
5.1 |
| UN
NO. |
1479 |
| REMARKS |
|
|