PHOSPHORIC ACID  

 

 

SYNONYM: ORTHO-PHOSPHORIC ACID  

 

 

FORMULAR: H3PO4  

 

 

M. W.: 98.00  

 

 

CAS NO.: 7664-38-2  

 

 

H.S. NO.: 2809.2010  

 

 

U.N.NO.: 1805  

 

 

IMO CLASS: 8  

 

 

GRADE: TECH GRADE  

 

 

DESCRIPTION: COLORLESS, TRANSPARENT, SYRUPY LIQUID; READILY SOLUBLE IN WATER AND ALCOHOL; SPECIFIC DENSITY 1.834.  

 

 

SPECIFICATIONS:  

 

 

PURITY  

85% MIN.  

COLOR INDEX  

40MAX.  

SULFATE (SO4)  

0.01%MAX.  

CHLORIDE (Cl)  

0.001%MAX.  

IRON (Fe)  

0.005%MAX.  

ARSENIC (As)  

0.01%MAX.  

HEAVY METAL (Pb)  

0.05%MAX.  

 

 

USES: USED IN MANUFACTURE OF PHOSPHATE, GLYCERIN-PHOSPHATE ESTER, AMMONIUM PHOSPHATE FERTILIZER; AND USED AS CHEMICAL REAGENT; TO ENHANCE TRANSPARENCE AND IMPROVE COLOR OF PORCELAIN; DRYING AGENT IN THE SYNTHESIS OF VARIOUS INTERMEDIATE CHEMICALS AND DYES; IN DENTAL CEMENT; PROCESS ENGRAVING; RUST-PROOFING OF METALS BEFORE PAINTING; COAGULATING RUBBER LATEX.  

 

 

PACKING:   IN PLASTIC DRUMS OF 35/330 KGS NET EACH, 21MT INTO 1X20’FCL.  

 

 

STORAGE: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from metals. Do not store in metal containers. Store protected from moisture. Store away from alkalies.