Stearic acid
Standard:Q/HYH008-2006, Technical index:
Item |
Index |
SA1800 Type |
SA1840 Type |
SA1825 Type |
SA1845 Type |
SA100R Type |
Iodine value, g/100g ≤ |
0.8 |
1.0 |
1.0 |
5.0 |
10.0 |
Saponification number , mg/g |
206 ~ 211 |
207 ~ 212 |
212 ~ 219 |
199 ~ 217 |
193 ~ 220 |
Acid number , mg/g |
205 ~ 210 |
206 ~ 211 |
211 ~ 218 |
198 ~ 216 |
192 ~ 218 |
Color(Hazen) ≤ |
160 |
160 |
250 |
400a |
red 6.0, yellow 60b |
Freezing point , °C |
54 ~ 57 |
54 ~ 57 |
≥ 54 |
≥ 52 |
≥ 52 |
Moisture, % ≤ |
0.20 |
0.20 |
0.20 |
0.30 |
0.30 |
Inorganic acid, % ≤ |
0.001 |
0.001 |
0.001 |
0.001 |
- |
C18 , % |
38 ~ 45 |
38 ~ 45 |
20 ~ 30 |
45 ~ 55 |
- |
Remark:
a. sample to 15% anhydrous ethanol solution .
b. Lovibond Color |
