Citric Acid Anhydrous

Molecular Formula C6H8O7

Molecular Weight 192.13

CAS Number 77-92-9

Product Specifications

Assay (%) 99.5 – 100.5

Water (%) 0.5 max

Identification Passes USP/FCC tests

Residue on Ignition (%) 0.05 max

Oxalate/Oxalic Acid (%) 0.036 max

Sulfate (%) 0.015 max

Arsenic (ppm) 1 max

Heavy Metals (ppm) 5 max / FCC IV Ed.

Lead (ppm) 0.5 max

Readily Carbonizable

Substances Passes USP and FCC tests

Tridodecylamine (ppm) 0.1 max

Color & Clarity Passes USP Tests

Particle Size Distribution

Granular   Max. 1% on U.S. No. 16 sieve Max. 10% through U.S. No. 50 sieve

Fine Granular Max. 1% on U.S. No. 30 sieve Max. 5% through U.S. No. 100 sieve

Powder Max. 5% on U.S. No. 60 sieve Min. 25% through U.S. No. 200 sieve

Bulk Densities Granular 56 (lbs/ft3 ) Fine Granular 54

Packaging 25 Kg : Polyethylene-lined multiwall paper bags: 50 lb (22.7 Kg) Polyethylene-lined multiwall paper bags

Shelf Life and Storage

We recommend that product held for more than 5 years be reevaluated for fitness of use. Anhydrous Citric Acid is slightly hydroscopic and should be stored under conditions of low temperature and low humidity in airtight containers to prevent caking.