Stearic acid
name：Stearic acid
Formula：C18H36O2
M.W：284.48
CAS NO.：57-11-4
Characters：At room temperature is white sheet, bead or block solid.The saturated fatty acids, mainly composed of C16 and C18, are insoluble in water, soluble in benzene and carbon disulfide, easy to dissolve in hot ethanol, non-toxic and tasteless, and have the chemical properties of organic carboxylic acids.
Usage：Widely used in rubber vulcanizing agent, plastic heat stabilizer, lubricant, textile softener, preparation agent, antistatic agent, used for food emulsifier, used for production of cosmetics raw material of detergent and various kinds of surface active agent.
Specification：

Name of index

Measuring the amount

Y－4

Y－8

Y－10

Freezing point

℃

52≤x≤57

52≤x≤57

52≤x≤57

iodine value

g/100g

2.0

4.0

8.0

Saponification value

mgKOH/g

206-211

203-214

193-220

acid value

mgKOH/g

205-210

202-212

192-218

moisture

%

≤ 0.2

≤ 0.2

≤ 0.3

colour and lustre

HAZEN

≤200

≤400

≤400