Stearic acid

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stearic acid
naa173
n-octadecanoic acid
C18
NAA180
pd185
groco58
groco55
Octadecanoic acid
kam1000
groco59
steraic acid
groco54
 
Appearance and properties: white solid with a mild odor
Density: 0.84
Boiling point: 361 °C(lit.)
Melting point: 67-72 °C(lit.)
Flash point: >230 °F
Refractive index: 1.4299
Water solubility: 0.1-1 g/100 mL at 23 ºC
 
Use
1.200 stearic acid can be used as the activator of high-grade rubber products vulcanization accelerator, the main raw material of polyvinyl chloride soap stabilizer, the main raw material of cosmetic vanishing cream and cold cream, the raw material of high melting point grease and waterproofing agent, polishing paste The main raw materials for textiles, printing and dyeing, leather and wax paper, such as lubricating and polishing agents and demoulding lubricants, and the raw materials of cultural goods such as carbon paper, pencils, and crayons. Type 800 stearic acid can be used as the vulcanization accelerator activator for general rubber products, the main raw material of polishing paste, the main raw material of soap-based grease, and the raw material of cultural goods.
 Stability: Stable under normal temperatures and pressures.
Storage conditions: 2-8ºC Vapor pressure: 1 mm Hg (173.7 °C)

Items of Analysis	Standard of Analysis		Test Results
Appearance	White or off-white powder or crystalline solid		White crystalline solid
Identification	GC		Conforms
Iodine value（gI/100g）	≤4		0.26
Acid value（mgKOH/g）	203-210		208.7
Residue on ignition	≤0.1%		Conforms
Ni	≤0.1ppm		Conforms
Heavy metal	≤5ppm		Conforms
Microbial	Total Plate Count:	≤1000cfu/g	Conforms
	Yeast&Mold	≤100cfu/g	Conforms
	E.Coli	Negative	Negative
	Pseudomonas aeruginosa	Negative	Negative
	Staphylococcus aureus	Negative	Negative
Assay	Stearic acid	≥40.0%	52.0%
	Stearic acid&Palmitic acid	≥90.0%	98.1%
Conclusion	Conforms to Factory Standard

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