Code : 2204005
中文名称 : 片碱,氢氧化钠
英文名称 : Sodium hydroxide,Caustic Soda Flake
CAS No. : 1310-73-2
分子量 : 39.99711
分子式 : NaOH
EINECS : 215-185-5
海关编码 : 2815110000
PRODUCT NAME: CAUSTIC SODA FLAKE
ORIGIN:CHINA
Product Parameters
Appearance: white flakes
Physical and Chemical data:
Melting Point |
Boiling point |
Density |
Flash Point |
318.4ºC |
1390ºC |
2.13 g/m3 |
176~178ºC |
Other Related indexes:
EINECS |
RTECS |
PubChem |
MDL |
215-185-5 |
WB4900000 |
24857963 |
MFCD00003548 |
Solubility: soluble in water, glycol, not soluble in ethanol. solubility in water is as below
Temperature (ºC) |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
Solubility by (g) |
42 |
51 |
109 |
119 |
129 |
145 |
174 |
299 |
314 |
329 |
347 |
Main indexes:
Index |
Standard |
Purity(NaOH) by wt % |
99.0 min |
NaCl by wt % |
0.03 max |
Na2CO3 by wt % |
0.5 max |
Iron content (as Fe) by wt % |
0.005 max |
SiO2 by wt % |
0.04 max |
Ca2+ Mg2+ by wt % |
0.03 max |
Pb by wt % |
0.003 max |
Hg by wt % |
0.0015 max |
Main Application
1. Soap and detergent powder
2. Paper making
3. Fiberglass
4. Oil refining
5. Water treatment
Important Notice
1. Caustic soda is a strong alkali material, it can absorb moisture to deliquesce or absorb carbon dioxide to deteriorate when exposed in the air
2. In most applications, caustic soda is used in solution status, but for exporting and importing, it's suggested to use solid form to save the packing cost and transportation cost
3. There are mainly 3 solid types:
a) Solid (packed in drums, purity cca. 96%)
b) Flakes (packed in bags, purity cca. 99%)
c) Pearls (packed in bags, purity cca.99%)
Among the 3 forms, flakes and pearls are mostly widely used
4. We normally list 2 years as the shelf life in our COA, the real shelf life is actually longer than 2 years if it's stocked in good condition (bags are sealed enough, away from direct sun-light, moisture and other incompatible chemical materials)
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