723)

 

PHOSPHORIC ACID

 

SYNONYM: ORTHO-PHOSPHORIC ACID

 

FORMULA: H3PO4

 

M. W.: 98.00

 

CAS NO.: 7664-38-2

 

GRADE: FOOD GRADE (GB3149-92)

 

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

 

SPECIFICATIONS:

COLOR NO.

20

PURITY

85% MIN.

As

0.0001%MAX.

F

0.001%MAX.

HEAVY METAL (ON Pb BASIS)

0.001%MAX.

Cl

0.0005%MAX.

SO4

0.005%MAX.

REDUCTIVE MATTER (ON H3PO3)

0.012%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; FOOD FILLER.

 

PACKING: IN 35KG P.P. DRUM.

 

H.S. NO.: 2809.2010

 

UN NO.: 1805             CLASS: 8