Potassium bromide |7758-02-3--Nantong Guangrong Chemical Co., Ltd.

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Product Name:

Potassium bromide

Cas No.：

7758-02-3

Molecular formula:

KBr

Molecular weight:

119

Physical and chemical properties:

white crystal, no smell, bitter taste; relative gravity: 2.75(25/4°C); melting point:734°C; boiling point: 1435°C; soluble in water and glycerol; lightly soluble in alcohol and ether<

Quality indicators:

item	pharmaceutical grade	phtography grade	reagent grade 3	industrial grade
content% ≥	99.0	99.0	98.0	98.0
aqueous solution reaction	qualified passed	qualified passed	qualified passed	?
chloride(Cl)% ≤	0.2	0.5	0.5	1.0
sulfate(SO4)% ≤	0.005	0.005	0.005	?
Ferrym(Fe)% ≤	0.0002	0.0002	0.0002	0.005
bromate(Bro3)% ≤	0.005	0.003	0.003	?
iodide(I)% ≤	qualified passed	0.01	0.01	?
heavy metal(Pb)% ≤	0.0002	0.0001	0.0005	?
arsenic(As) ≤	0.0005	?	?	?
loss on drying% ≤ Loss on	0.5	0.5	0.5	1.0
water insoluble% ≤	qualified	0.01	0.01	?
reference standard	1995-CHINA Pharmacopeia	ZBG85001-88	GB1277-77	GB1277-77

Use:

industrial grade: carving, stone printing; pharmaceutical grade: sedative; phtography grade: photographic film

Packing：

compound bag, fiber can Φ30×37(cm), inner double layer plastic bag, 25 kg

Storage and transportation:

it should be stored in ventilated and dry place to avoid moisture and light

Throughput:

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