PRODUCT NAME:Sodium Disulfite (USP-NF, BP, Ph. Eur.) pure, pharma grade

QUALITY NAME:pure, pharma grade

SPECIFICATIONS:Assay (as SO2) (Iodom.): 65.0-67.4 %

Assay (Na2S2O5) (Iodom.): 96.5-100.0%

Identity according to Pharmacopoeias:: passes test

pH of 5% solution: 3.5-5.0

Maximum limit of impurities

Appearance of solution: passes test

Insoluble matter in H2O: 0.025 %

Chloride (Cl): 0.02%

Residual solvents (Ph.Eur/USP): passes test

Thiosulfate (BP): passes test

Thiosulfate (S2O3): 0.05%

As: 0.00015 %

Fe: 0.002 %

HAZARD PICTOGRAMSWGK:1STORAGE:Storage away from direct light.SIGNAL WORD:DangerGHS SYMBOLS:GHS07

GHS05H PHRASES:H302

EUH031

H318P PHRASES:P264

P270

P280

P301+P312

P305+P351+P338

P310

P330

P501MASTER NAME:Sodium DisulphiteSYNONYMS LONG TEXT:Sodium Metabisulphite, Sodium PyrosulphiteEINECS:231-673-0CS:28321000