|
PHYSICAL AND CHEMICAL PROPERTIES
|
|
|
PHYSICAL STATE
|
White, deliquescent pellets or flakes
|
|
MELTING POINT
|
318 C
|
|
BOILING POINT
|
1390 C
|
|
SPECIFIC GRAVITY
|
2.13
|
|
pH
|
13 - 14 (0.5% sol.)
|
|
NFPA RATINGS
|
Health: 3; Flammability: 0; Reactivity: 1
|
|
FLASH POINT
|
Not considered to be a fire hazard
|
|
STABILITY
|
Stable under ordinary conditions
|
|
SALES SPECIFICATION
|
|
|
APPEARANCE
|
White, Free-flowing, Fast Dissolving Flakes
|
|
NaOH
|
99.0% min
|
|
Na2O
|
76.0% min
|
|
Na2CO3
|
0.5% max
|
|
NaCl
|
0.1% max
|
|
NaSO4
|
0.1% max
|
|
Fe2O3
|
0.004% max
|
|
HEAVY METALS
|
20ppm max
|
|
TRANSPORTATION
|
|
|
PACKING
|
25kgs, 1mt in Bag
|
|
HAZARD CLASS
|
8 (Packing group: II)
|
|
UN NO.
|
1823
|