| Chemical Formula |
Nal
|
| CAS No. 7681-82-5 |
| |
|
| Molecular
Weight |
149.89 |
| |
|
| Properties |
|
| External appearance |
Odorless white deliquescent
crystal or powder |
| Physical constants |
Specific gravity:d°
3.667 |
| Melting Point |
651ºC |
| Boiling Point |
1300ºC (1 atm.) |
| Hygroscopic properties |
Deliquescent in air |
| Solubility |
Water, alcohol and glycerin
soluble |
| In water |
178.7g/100 g (20ºC) |
| In ethyl alcohol |
43.1g/100 g (25ºC) |
| Reaction |
When exposed to air,
the material liberates iodine and gradually becomes brown. |
| |
|
| Specifications |
| Item |
ISE Standard |
JIS K8918-1975 Special
Class |
| Miscibility with water |
transparent |
To pass test |
| Miscibility with ethanol |
colorless, transparent |
To pass test |
| Drying loss (110ºC) |
2.0% max |
2.0% max |
| Acidity (as HI) |
0.004% max. (approx.) |
0.004% max. (approx.) |
| Alkalinity (as NaOH) |
0.005% ,ax/ (approx.) |
0.005% max. (approx.) |
| Chloride and Bromide
(as CI) |
.0.01 max. |
0.01% max. |
| Iodate and Thiosulfate |
To pass test |
To pass test |
| Sulfate (SO4) |
0.05% max. |
0.005% max. |
| Phosphate (PO4) |
0.001% max. |
0.001% max. |
| Heavy metal (as Pb) |
0.002% max. |
0.0005% max. |
| Iron (Fe) |
0.002% max. |
0.0003% max. |
| Barium (Ba) |
---
|
0.001% max. |
| Calcium and other alkaline
Earth (as Ca) |
0.015% max. |
0.001% max. |
| Potassium (K) |
To pass test |
0.05% max. |
| Total Nitrogen (N) |
0.001% max. |
0.001% max. |
| Assay (after drying at
110ºC) 99.0% min. |
|
99.5% min. |
| |
| Packaging
|
| Inner Packing |
Double polyethylene sack |
| Outer packing |
Fiber drum |
| Net weight |
50 kg |
|
|
| Applications |
Photographic
chemicals
organic synthesis reagent
optical lens
medicine
scintillator. |
| |
| Hazards |
|
| 1) Non-combustible |
| 2) Does not give off
fumes |
| Toxicity |
LD 50 (approx.)
intravenous injection: |
1.3 gr/kg (rat) |
| |
|
|
| Handling
and Storage |
| 1) Tightly secure container
lid and store in a cold dark room. |
| 2) Use protection, such
as rubber gloves, safety goggles, etc. |
| |
|
| Spillage |
|
| If NaI is spilled by
accident, clean up as much as possible, return to container
and tightly secure the lid. Thoroughly wash away any Na
I that remains on the floor. |
| |
Vendor 1
Vendor 2
Vendor 3
Vendor 4
Vendor 5 |