Physical Appearce :Colorless Liquid with no odour 
CAS No.:7664-38-2
MF:H3PO4
Molecular weight :97.99
EINECS No.:231-663-2
Specification :
Item	Value
	Industry Grade	Food Grade
	85%	75%	
	Excellent	Grade 1	Grade 2	Excellent	Grade 1	Grade 2	
Colority ≤	20	30	40	20	30	40	20
Content (H 3 P O 4 ), % ≥	85.0	85.0	85.0	75.0	75.0	75.0	75.0~86.0%
Chloride(Cl ) , % ≤	0.0005	0.0005	0.001	0.0005	0.0005	0.001	 
Sulphates( SO 4 ), % ≤	0.003	0.005	0.01	0.003	0.005	0.01	 
Iron(Fe), % ≤	0.002	0.002	0.005	0.002	0.002	0.005	 
Arsenic (As) , % ≤	0.0001	0.005	0.01	0.0001	0.005	0.01	0.00005
Arsenic (Pb), % ≤	0.001	0.001	0.05	0.001	0.001	0.05	0.0005
Heavy metals ( F), % ≤ 	 	 	 	 	 	 	0.0010
Easily oxidated matter( H 3 PO 3 ), % ≤	 	 	 	 	 	 	0.012

Usage:
(1).Phosphoric acid is used in production of  phosphate industry, electroplating and chemical polishing processes,activated carbon treatment agent in industrial field,  as well as cleaning agent, enhancer acidulant, nutrient of yeast, produce food grade phosphates in food industry.
(2). It can be used as sour agent and nutritional agent of yeast.It can be us 
ed as sour agent for sauce ,can and soft drinks.Used in the yeast Saccharomyces source of keeping nutrition and  prevent bacteria breeding in vintage industry.
(3). As food acidulant; yeast nutrient; in manufacturing phosphate salts.